CH633009A5 - Process for the preparation of new phenylpiperazine derivatives - Google Patents
Process for the preparation of new phenylpiperazine derivatives Download PDFInfo
- Publication number
- CH633009A5 CH633009A5 CH525781A CH696480A CH633009A5 CH 633009 A5 CH633009 A5 CH 633009A5 CH 525781 A CH525781 A CH 525781A CH 696480 A CH696480 A CH 696480A CH 633009 A5 CH633009 A5 CH 633009A5
- Authority
- CH
- Switzerland
- Prior art keywords
- phenyl
- optionally substituted
- piperazine
- formula
- alkyl
- Prior art date
Links
- YZTJYBJCZXZGCT-UHFFFAOYSA-N phenylpiperazine Chemical class C1CNCCN1C1=CC=CC=C1 YZTJYBJCZXZGCT-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 title claims description 17
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 36
- 150000001875 compounds Chemical class 0.000 claims abstract description 35
- -1 5-thiazolyl group Chemical group 0.000 claims abstract description 28
- 150000003839 salts Chemical class 0.000 claims abstract description 23
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims abstract description 15
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims abstract description 10
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 8
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims abstract description 6
- 229930192474 thiophene Chemical group 0.000 claims abstract description 6
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical group C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 claims abstract description 4
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims abstract description 3
- 239000001257 hydrogen Substances 0.000 claims abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 12
- 150000002367 halogens Chemical class 0.000 claims description 12
- 125000004765 (C1-C4) haloalkyl group Chemical group 0.000 claims description 8
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 claims description 7
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 4
- 125000005422 alkyl sulfonamido group Chemical group 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 125000004496 thiazol-5-yl group Chemical group S1C=NC=C1* 0.000 claims description 2
- 101100097467 Arabidopsis thaliana SYD gene Proteins 0.000 claims 1
- 101100495925 Schizosaccharomyces pombe (strain 972 / ATCC 24843) chr3 gene Proteins 0.000 claims 1
- 208000001718 Immediate Hypersensitivity Diseases 0.000 abstract description 2
- 206010045240 Type I hypersensitivity Diseases 0.000 abstract description 2
- 208000006673 asthma Diseases 0.000 abstract description 2
- 208000010216 atopic IgE responsiveness Diseases 0.000 abstract description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 2
- 231100000053 low toxicity Toxicity 0.000 abstract description 2
- 230000000069 prophylactic effect Effects 0.000 abstract description 2
- 230000001225 therapeutic effect Effects 0.000 abstract description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 241000124008 Mammalia Species 0.000 abstract 1
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical group C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 abstract 1
- 201000010099 disease Diseases 0.000 abstract 1
- 239000002253 acid Substances 0.000 description 15
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 150000007513 acids Chemical class 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 229960005141 piperazine Drugs 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 125000000590 4-methylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 description 3
- 125000000171 (C1-C6) haloalkyl group Chemical group 0.000 description 2
- 125000004172 4-methoxyphenyl group Chemical group [H]C1=C([H])C(OC([H])([H])[H])=C([H])C([H])=C1* 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- YAPQBXQYLJRXSA-UHFFFAOYSA-N theobromine Chemical compound CN1C(=O)NC(=O)C2=C1N=CN2C YAPQBXQYLJRXSA-UHFFFAOYSA-N 0.000 description 2
- 150000003557 thiazoles Chemical class 0.000 description 2
- CUNWUEBNSZSNRX-RKGWDQTMSA-N (2r,3r,4r,5s)-hexane-1,2,3,4,5,6-hexol;(z)-octadec-9-enoic acid Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO.OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO.CCCCCCCC\C=C/CCCCCCCC(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O CUNWUEBNSZSNRX-RKGWDQTMSA-N 0.000 description 1
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 description 1
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- UWYVPFMHMJIBHE-OWOJBTEDSA-N (e)-2-hydroxybut-2-enedioic acid Chemical compound OC(=O)\C=C(\O)C(O)=O UWYVPFMHMJIBHE-OWOJBTEDSA-N 0.000 description 1
- RMVWZPKAJXGDLZ-UHFFFAOYSA-N 1-(2-chlorophenyl)-4-[3-(5-methylfuran-2-yl)propyl]piperazine Chemical compound O1C(C)=CC=C1CCCN1CCN(C=2C(=CC=CC=2)Cl)CC1 RMVWZPKAJXGDLZ-UHFFFAOYSA-N 0.000 description 1
- HEASYVDSWBSHHR-UHFFFAOYSA-N 1-(2-chlorophenyl)-4-[3-(5-methylthiophen-2-yl)propyl]piperazine Chemical compound S1C(C)=CC=C1CCCN1CCN(C=2C(=CC=CC=2)Cl)CC1 HEASYVDSWBSHHR-UHFFFAOYSA-N 0.000 description 1
- QMIVBPXNYLQQKP-UHFFFAOYSA-N 1-(3,4-dimethylphenyl)-4-[(5-phenylthiophen-2-yl)methyl]piperazine Chemical compound C1=C(C)C(C)=CC=C1N1CCN(CC=2SC(=CC=2)C=2C=CC=CC=2)CC1 QMIVBPXNYLQQKP-UHFFFAOYSA-N 0.000 description 1
- ZNDDSYAHAFLAQG-UHFFFAOYSA-N 1-(3-chlorophenyl)-4-[(5-methylfuran-2-yl)methyl]piperazine Chemical compound O1C(C)=CC=C1CN1CCN(C=2C=C(Cl)C=CC=2)CC1 ZNDDSYAHAFLAQG-UHFFFAOYSA-N 0.000 description 1
- FHBNFEHLTZSQOR-UHFFFAOYSA-N 1-(3-chlorophenyl)-4-[(5-phenylthiophen-2-yl)methyl]piperazine Chemical compound ClC1=CC=CC(N2CCN(CC=3SC(=CC=3)C=3C=CC=CC=3)CC2)=C1 FHBNFEHLTZSQOR-UHFFFAOYSA-N 0.000 description 1
- ZJSKLQMRROAOFR-UHFFFAOYSA-N 1-(4-chlorophenyl)-4-[2-(5-methylfuran-2-yl)ethyl]piperazine Chemical compound O1C(C)=CC=C1CCN1CCN(C=2C=CC(Cl)=CC=2)CC1 ZJSKLQMRROAOFR-UHFFFAOYSA-N 0.000 description 1
- SNVDLLXQHFFRGT-UHFFFAOYSA-N 1-(4-chlorophenyl)-4-[2-(5-methylthiophen-2-yl)ethyl]piperazine Chemical compound S1C(C)=CC=C1CCN1CCN(C=2C=CC(Cl)=CC=2)CC1 SNVDLLXQHFFRGT-UHFFFAOYSA-N 0.000 description 1
- CVQHFSRFVLVULV-UHFFFAOYSA-N 1-(4-chlorophenyl)-4-[2-(5-phenylfuran-2-yl)ethyl]piperazine Chemical compound C1=CC(Cl)=CC=C1N1CCN(CCC=2OC(=CC=2)C=2C=CC=CC=2)CC1 CVQHFSRFVLVULV-UHFFFAOYSA-N 0.000 description 1
- DPEWTQJUUDLJNX-UHFFFAOYSA-N 1-(4-ethoxyphenyl)piperazine Chemical compound C1=CC(OCC)=CC=C1N1CCNCC1 DPEWTQJUUDLJNX-UHFFFAOYSA-N 0.000 description 1
- RLABBVYISMVSTG-UHFFFAOYSA-N 1-(4-methoxyphenyl)-4-[(5-phenylthiophen-2-yl)methyl]piperazine Chemical compound C1=CC(OC)=CC=C1N1CCN(CC=2SC(=CC=2)C=2C=CC=CC=2)CC1 RLABBVYISMVSTG-UHFFFAOYSA-N 0.000 description 1
- SSASWPMHNMYMLZ-UHFFFAOYSA-N 1-(4-methylphenyl)-4-[(5-phenylfuran-2-yl)methyl]piperazine Chemical compound C1=CC(C)=CC=C1N1CCN(CC=2OC(=CC=2)C=2C=CC=CC=2)CC1 SSASWPMHNMYMLZ-UHFFFAOYSA-N 0.000 description 1
- NTAGWPPYNYPCLZ-UHFFFAOYSA-N 1-(4-methylphenyl)-4-[3-(5-phenylfuran-2-yl)propyl]piperazine Chemical compound C1=CC(C)=CC=C1N1CCN(CCCC=2OC(=CC=2)C=2C=CC=CC=2)CC1 NTAGWPPYNYPCLZ-UHFFFAOYSA-N 0.000 description 1
- ONEYFZXGNFNRJH-UHFFFAOYSA-N 1-(4-methylphenyl)piperazine Chemical compound C1=CC(C)=CC=C1N1CCNCC1 ONEYFZXGNFNRJH-UHFFFAOYSA-N 0.000 description 1
- VWOJSRICSKDKAW-UHFFFAOYSA-N 1-(4-nitrophenyl)piperazine Chemical compound C1=CC([N+](=O)[O-])=CC=C1N1CCNCC1 VWOJSRICSKDKAW-UHFFFAOYSA-N 0.000 description 1
- FWEBUUYZJJXOOM-UHFFFAOYSA-N 1-[(5-benzylfuran-2-yl)methyl]-4-(4-nitrophenyl)piperazine Chemical compound C1=CC([N+](=O)[O-])=CC=C1N1CCN(CC=2OC(CC=3C=CC=CC=3)=CC=2)CC1 FWEBUUYZJJXOOM-UHFFFAOYSA-N 0.000 description 1
- SHWBLTAQTWPNDM-UHFFFAOYSA-N 1-[(5-benzylthiophen-2-yl)methyl]-4-(4-nitrophenyl)piperazine Chemical compound C1=CC([N+](=O)[O-])=CC=C1N1CCN(CC=2SC(CC=3C=CC=CC=3)=CC=2)CC1 SHWBLTAQTWPNDM-UHFFFAOYSA-N 0.000 description 1
- JGCJCWBFGQNKSG-UHFFFAOYSA-N 1-[(5-methylfuran-2-yl)methyl]-4-phenylpiperazine Chemical compound O1C(C)=CC=C1CN1CCN(C=2C=CC=CC=2)CC1 JGCJCWBFGQNKSG-UHFFFAOYSA-N 0.000 description 1
- AEPZJPIAGFJEGT-UHFFFAOYSA-N 1-[(5-methylthiophen-2-yl)methyl]-4-phenylpiperazine Chemical compound S1C(C)=CC=C1CN1CCN(C=2C=CC=CC=2)CC1 AEPZJPIAGFJEGT-UHFFFAOYSA-N 0.000 description 1
- YICOOFFFJYDRAG-UHFFFAOYSA-N 1-[2-(4-methylfuran-2-yl)ethyl]-4-(3-methylphenyl)piperazine Chemical compound CC1=COC(CCN2CCN(CC2)C=2C=C(C)C=CC=2)=C1 YICOOFFFJYDRAG-UHFFFAOYSA-N 0.000 description 1
- YCAOCUFHMHTCDG-UHFFFAOYSA-N 1-[2-(5-benzylfuran-2-yl)ethyl]-4-(4-ethylphenyl)piperazine Chemical compound C1=CC(CC)=CC=C1N1CCN(CCC=2OC(CC=3C=CC=CC=3)=CC=2)CC1 YCAOCUFHMHTCDG-UHFFFAOYSA-N 0.000 description 1
- YVWWGVKRDSVNER-UHFFFAOYSA-N 1-[2-(5-benzylthiophen-2-yl)ethyl]-4-(4-ethylphenyl)piperazine Chemical compound C1=CC(CC)=CC=C1N1CCN(CCC=2SC(CC=3C=CC=CC=3)=CC=2)CC1 YVWWGVKRDSVNER-UHFFFAOYSA-N 0.000 description 1
- NYKKNMHZSUQSTB-UHFFFAOYSA-N 1-[3-(5-benzylfuran-2-yl)propyl]-4-(4-ethoxyphenyl)piperazine Chemical compound C1=CC(OCC)=CC=C1N1CCN(CCCC=2OC(CC=3C=CC=CC=3)=CC=2)CC1 NYKKNMHZSUQSTB-UHFFFAOYSA-N 0.000 description 1
- CHSOHEAEPISALT-UHFFFAOYSA-N 1-[3-(5-phenylfuran-2-yl)propyl]-4-[3-(trifluoromethyl)phenyl]piperazine Chemical compound FC(F)(F)C1=CC=CC(N2CCN(CCCC=3OC(=CC=3)C=3C=CC=CC=3)CC2)=C1 CHSOHEAEPISALT-UHFFFAOYSA-N 0.000 description 1
- XCKAPWITOIAZFI-UHFFFAOYSA-N 1-[3-[5-(3,4-dichlorophenyl)furan-2-yl]propyl]-4-(4-methylphenyl)piperazine Chemical compound C1=CC(C)=CC=C1N1CCN(CCCC=2OC(=CC=2)C=2C=C(Cl)C(Cl)=CC=2)CC1 XCKAPWITOIAZFI-UHFFFAOYSA-N 0.000 description 1
- BQYFJDYYJZLQJV-UHFFFAOYSA-N 1-[[5-(3,4-dichlorophenyl)furan-2-yl]methyl]-4-[3-(trifluoromethyl)phenyl]piperazine;hydrochloride Chemical compound Cl.FC(F)(F)C1=CC=CC(N2CCN(CC=3OC(=CC=3)C=3C=C(Cl)C(Cl)=CC=3)CC2)=C1 BQYFJDYYJZLQJV-UHFFFAOYSA-N 0.000 description 1
- HTGUJDLBZUXWFC-UHFFFAOYSA-N 1-[[5-(3,4-dimethylphenyl)furan-2-yl]methyl]-4-phenylpiperazine Chemical compound C1=C(C)C(C)=CC=C1C(O1)=CC=C1CN1CCN(C=2C=CC=CC=2)CC1 HTGUJDLBZUXWFC-UHFFFAOYSA-N 0.000 description 1
- ZZWNNIQNXFJHGR-UHFFFAOYSA-N 1-[[5-(4-methoxyphenyl)furan-2-yl]methyl]-4-(4-methylphenyl)piperazine Chemical compound C1=CC(OC)=CC=C1C(O1)=CC=C1CN1CCN(C=2C=CC(C)=CC=2)CC1 ZZWNNIQNXFJHGR-UHFFFAOYSA-N 0.000 description 1
- QXQAPNSHUJORMC-UHFFFAOYSA-N 1-chloro-4-propylbenzene Chemical compound CCCC1=CC=C(Cl)C=C1 QXQAPNSHUJORMC-UHFFFAOYSA-N 0.000 description 1
- FCXHZNGCMZFMLB-UHFFFAOYSA-N 1-phenyl-4-[(5-phenylthiophen-2-yl)methyl]piperazine Chemical compound C=1C=C(C=2C=CC=CC=2)SC=1CN(CC1)CCN1C1=CC=CC=C1 FCXHZNGCMZFMLB-UHFFFAOYSA-N 0.000 description 1
- ISRUOZWLYKHEJK-UHFFFAOYSA-N 1-phenyl-4-[2-(5-phenylthiophen-2-yl)butyl]piperazine Chemical compound C=1C=C(C=2C=CC=CC=2)SC=1C(CC)CN(CC1)CCN1C1=CC=CC=C1 ISRUOZWLYKHEJK-UHFFFAOYSA-N 0.000 description 1
- GEKGXUITXYAIED-UHFFFAOYSA-N 1-phenyl-4-[2-(5-phenylthiophen-2-yl)ethyl]piperazine Chemical compound C1CN(C=2C=CC=CC=2)CCN1CCC(S1)=CC=C1C1=CC=CC=C1 GEKGXUITXYAIED-UHFFFAOYSA-N 0.000 description 1
- IYEYEHOIEHGEKJ-UHFFFAOYSA-N 2-[1-[4-(4-methylphenyl)piperazin-1-yl]ethyl]-4-phenyl-1,3-thiazole Chemical compound N=1C(C=2C=CC=CC=2)=CSC=1C(C)N(CC1)CCN1C1=CC=C(C)C=C1 IYEYEHOIEHGEKJ-UHFFFAOYSA-N 0.000 description 1
- GACCNQRSVVGFIT-UHFFFAOYSA-N 2-[1-[4-(4-methylphenyl)piperazin-1-yl]ethyl]-5-phenyl-1,3-oxazole Chemical compound N=1C=C(C=2C=CC=CC=2)OC=1C(C)N(CC1)CCN1C1=CC=C(C)C=C1 GACCNQRSVVGFIT-UHFFFAOYSA-N 0.000 description 1
- JZWWJQNBPJPQGA-UHFFFAOYSA-N 2-[2-[4-(4-chlorophenyl)piperazin-1-yl]ethyl]-5-methyl-1,3-oxazole Chemical compound O1C(C)=CN=C1CCN1CCN(C=2C=CC(Cl)=CC=2)CC1 JZWWJQNBPJPQGA-UHFFFAOYSA-N 0.000 description 1
- RDWBQVZTEJJUFL-UHFFFAOYSA-N 2-[2-[4-(4-chlorophenyl)piperazin-1-yl]ethyl]-5-phenyl-1,3-oxazole Chemical compound C1=CC(Cl)=CC=C1N1CCN(CCC=2OC(=CN=2)C=2C=CC=CC=2)CC1 RDWBQVZTEJJUFL-UHFFFAOYSA-N 0.000 description 1
- MJELUHMJJPAFHM-UHFFFAOYSA-N 2-[2-[4-(4-methylphenyl)piperazin-1-yl]propyl]-4-phenyl-1,3-thiazole Chemical compound C1CN(C=2C=CC(C)=CC=2)CCN1C(C)CC(SC=1)=NC=1C1=CC=CC=C1 MJELUHMJJPAFHM-UHFFFAOYSA-N 0.000 description 1
- HVGIFIZRMBDRMH-UHFFFAOYSA-N 2-[2-[4-(4-methylphenyl)piperazin-1-yl]propyl]-5-phenyl-1,3-oxazole Chemical compound C1CN(C=2C=CC(C)=CC=2)CCN1C(C)CC(O1)=NC=C1C1=CC=CC=C1 HVGIFIZRMBDRMH-UHFFFAOYSA-N 0.000 description 1
- DJVJNWWFPJWVIU-UHFFFAOYSA-N 2-[2-[4-(4-nitrophenyl)piperazin-1-yl]ethyl]-4-phenyl-1,3-thiazole Chemical compound C1=CC([N+](=O)[O-])=CC=C1N1CCN(CCC=2SC=C(N=2)C=2C=CC=CC=2)CC1 DJVJNWWFPJWVIU-UHFFFAOYSA-N 0.000 description 1
- HRMACTPKDGDMBS-UHFFFAOYSA-N 2-[3-[4-(2-chlorophenyl)piperazin-1-yl]propyl]-5-methyl-1,3-oxazole Chemical compound CC1=CN=C(O1)CCCN1CCN(CC1)C1=C(C=CC=C1)Cl HRMACTPKDGDMBS-UHFFFAOYSA-N 0.000 description 1
- PSZGVEBPTIDAMJ-UHFFFAOYSA-N 2-[3-[4-(2-chlorophenyl)piperazin-1-yl]propyl]-5-methyl-1,3-thiazole Chemical compound S1C(C)=CN=C1CCCN1CCN(C=2C(=CC=CC=2)Cl)CC1 PSZGVEBPTIDAMJ-UHFFFAOYSA-N 0.000 description 1
- HMNKFNHXELLGTE-UHFFFAOYSA-N 2-[[2,3-dimethyl-4-(4-methylphenyl)piperazin-1-yl]methyl]-5-phenyl-1,3-oxazole Chemical compound CC1C(C)N(C=2C=CC(C)=CC=2)CCN1CC(O1)=NC=C1C1=CC=CC=C1 HMNKFNHXELLGTE-UHFFFAOYSA-N 0.000 description 1
- WDGRSAFRBFFKRK-UHFFFAOYSA-N 2-[[3-methyl-4-(4-methylphenyl)piperazin-1-yl]methyl]-5-phenyl-1,3-oxazole Chemical compound C1CN(C=2C=CC(C)=CC=2)C(C)CN1CC(O1)=NC=C1C1=CC=CC=C1 WDGRSAFRBFFKRK-UHFFFAOYSA-N 0.000 description 1
- JUSDHZJXSNQIQW-UHFFFAOYSA-N 2-[[4-(4-methylphenyl)piperazin-1-yl]methyl]-5-phenyl-1,3-oxazole Chemical compound C1=CC(C)=CC=C1N1CCN(CC=2OC(=CN=2)C=2C=CC=CC=2)CC1 JUSDHZJXSNQIQW-UHFFFAOYSA-N 0.000 description 1
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
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Abstract
Description
La présente invention concerne un procédé pour la préparation d'une classe nouvelle de dérivés de phénylpipérazine qui présentent une activité pharmacologique intéressante. The present invention relates to a process for the preparation of a new class of phenylpiperazine derivatives which exhibit interesting pharmacological activity.
Le procédé de l'invention porte plus particulièrment sur un dérivé de phénylpipérazine de formule (I): The process of the invention relates more particularly to a phenylpiperazine derivative of formula (I):
60 60
dans laquelle R1 représente Ci-4 alkyle ou phényle éventuellement substitué par Ci-4 alkyle, Ci-4 alkoxy, nitro ou Ci^haloalkyle et R2 est phényle éventuellement substitué par 65 Ci^haloalkyle. wherein R1 represents C1-4 alkyl or phenyl optionally substituted with C1-4 alkyl, C1-4 alkoxy, nitro or C1-6 haloalkyl and R2 is phenyl optionally substituted with 65 C1-6 haloalkyl.
5. Procédé selon la revendication 1, caractérisé en ce qu'on prépare un furanne de formule (II) 5. Method according to claim 1, characterized in that a furan of formula (II) is prepared
R1-Q-(CHJ -(CKR3) -N dm n R1-Q- (CHJ - (CKR3) -N dm n
/~\ / ~ \
R R
\ / (I) \ / (I)
dans laquelle R1 représente benzyle, Ci-6 alkyle ou un phényle éventuellement substitué, R2 représente un phényle éventuel- in which R1 represents benzyl, C1-6 alkyl or an optionally substituted phenyl, R2 represents a possible phenyl-
3 3
633009 633009
lement substitué, R3 représente hydrogène ou Ci-4 alkyle, Q représente furanne, thiophène, oxazole ou thiazoie, m représente un nombre de 1 à 3 et n représente 0 ou 1 ; de même que les sels pharmaceutiquement admissibles de ces composés, à la condition que lorsque m est 2 et n est 0, R1 ne peut pas représenter un groupe méthyle lorsque Q est le groupe thiazol-5-yle. Lement substituted, R3 represents hydrogen or Ci-4 alkyl, Q represents furan, thiophene, oxazole or thiazoie, m represents a number from 1 to 3 and n represents 0 or 1; as are the pharmaceutically acceptable salts of these compounds, with the proviso that when m is 2 and n is 0, R1 cannot represent a methyl group when Q is the thiazol-5-yl group.
De préférence, R2 et également R1 lorsqu'il représente phényle, est éventuellement substitué par un ou deux radicaux choisis parmi halogène, C1-4 alkyle, C1-4 haloalkyle, amino, C2-4 alkanoylamino, hydroxyle, C1-4 alkoxy, nitro et Ci-4 alkylsulfonamido. Preferably, R2 and also R1 when it represents phenyl, is optionally substituted by one or two radicals chosen from halogen, C1-4 alkyl, C1-4 haloalkyl, amino, C2-4 alkanoylamino, hydroxyl, C1-4 alkoxy, nitro and C1-4 alkylsulfonamido.
L'expression «C1-4 alkyle» telle qu'elle est utilisée dans la présente description concerne un groupe alkyle à chaîne droite ou ramifiée qui contient de 1 à 4 atomes de carbone, par exemple méthyle, éthyle, isopropyle, n-butyle, s-butyle, iso-butyle et t-butyle. L'expression «Cm haloalkyle» se rapporte à un groupe C1-4 alkyle tel que défini ci-dessus substitué par un ou plusieurs atomes de fluor, de chlore, de brome ou d'iode et inclut des groupes tels que trifluorométhyle et pen-tachlorométhyle. De manière similaire, l'expression «Ci-4 alkoxy» se rapporte au groupe C1-4 prémentionné rattaché à l'intervention d'un atome d'oxygène au groupe phényle. The expression “C1-4 alkyl” as used in the present description relates to a straight or branched chain alkyl group which contains from 1 to 4 carbon atoms, for example methyl, ethyl, isopropyl, n-butyl, s-butyl, iso-butyl and t-butyl. The term "Cm haloalkyl" refers to a C1-4 alkyl group as defined above substituted by one or more fluorine, chlorine, bromine or iodine atoms and includes groups such as trifluoromethyl and pen- tachloromethyl. Similarly, the expression "Ci-4 alkoxy" refers to the aforementioned C1-4 group attached to the intervention of an oxygen atom to the phenyl group.
Des classes préférées de composés de formule (I) sont ceux qui comportent une ou plusieurs des caractéristiques suivantes: Preferred classes of compounds of formula (I) are those which have one or more of the following characteristics:
(a) m est 1 et n est 0; (a) m is 1 and n is 0;
(b) Qestthiazoie; (b) Qestthiazoie;
(c) Q est oxazole; (c) Q is oxazole;
(d) Q est thiophène; (d) Q is thiophene;
(e) Q est furanne; (e) Q is furan;
(0 R1 est C1-3 alkyle tel que méthyle ou isopropyle; (0 R1 is C1-3 alkyl such as methyl or isopropyl;
(g) R1 est phényle; (g) R1 is phenyl;
(h) R1 est benzyle; (h) R1 is benzyl;
5 (i) R2 est phényle substitué par un ou deux radicaux méthyle. (I) R2 is phenyl substituted with one or two methyl radicals.
Une classe particulièrement active de dérivés de phénylpipérazine de formule (I) est constituée par: A particularly active class of phenylpiperazine derivatives of formula (I) consists of:
10 des furannes de formule (II) 10 furans of formula (II)
(II) (II)
(CH > 2 m (CH> 2 m
/ /
-N N -N N
w w
R' R '
20 dans laquelle R1 est phényle éventuellement substitué par un ou deux radicaux choisis parmi halogène, C1-4 alkyle, Ci-4 alkoxy et C1-4 haloalkyle, R2 est phényle éventuellement substitué par C1-4 alkyle, amino, Ci-4 alkylsulfonamido et Ci-4 alkoxy et m représente 1 ou 3, à l'exception des composés 25 dans lequels R1 est phényle non substitué, m est 1 et R2 est phényle non substitué; In which R1 is phenyl optionally substituted by one or two radicals chosen from halogen, C1-4 alkyl, C1-4 alkoxy and C1-4 haloalkyl, R2 is phenyl optionally substituted by C1-4 alkyl, amino, Ci-4 alkylsulfonamido and C1-4 alkoxy and m represents 1 or 3, except the compounds in which R1 is unsubstituted phenyl, m is 1 and R2 is unsubstituted phenyl;
ou dans laquelle R1 est méthyle, m est 1 et R2 est phényle éventuellement substitué par un radical unique choisi parmi halogène, C1-4 alkyle, C1-4 alkoxy, Ci-4 haloalkyle ou est subs-30 titué deux fois par deux radicaux C1-4 alkyle; or in which R1 is methyl, m is 1 and R2 is phenyl optionally substituted by a single radical chosen from halogen, C1-4 alkyl, C1-4 alkoxy, C1-4 haloalkyl or is substituted twice by two C1 radicals -4 alkyl;
des thiophènes de formule (III): thiophenes of formula (III):
(CH ) 2 m (CH) 2 m
(CHS5) N (CHS5) N
/ /
n not
W W
(III) (III)
dans laquelle R' est phényle, R2 est phényle, phényle substitué une seule fois par Ci-4alkyle ou C1-4 haloalkyle ou substitué deux fois par deux radicaux choisis dans le groupe formé par halogène, C1-4 haloalkyle et C1-4 alkyle, et dans laquelle m est 1 ou 2 et n est 0; in which R ′ is phenyl, R2 is phenyl, phenyl substituted only once by C1-4alkyl or C1-4 haloalkyl or substituted twice by two radicals chosen from the group formed by halogen, C1-4 haloalkyl and C1-4 alkyl, and wherein m is 1 or 2 and n is 0;
ou dans laquelle m est 1, n est 1 et R3 est éthyle; des oxazoles de formule (IV): or wherein m is 1, n is 1 and R3 is ethyl; oxazoles of formula (IV):
40 dans laquelle R1 est benzyle, R2 est phényle ou p-halophé-nyle; Wherein R1 is benzyl, R2 is phenyl or p-halophenyl;
ou des thiazoles de formule (VI) or thiazoles of formula (VI)
1 1
(IV) (IV)
(C3J (C3J
2 m 2 m
/ /
i i
\ \
\ / \ /
(VI) (VI)
N NOT
N NOT
\ / \ /
dans laquelle R1 représente C1-4 alkyle ou phényle éventuellement substitué par Ci-4alkyle, Ci-4alkoxy, nitro ou dans laquelle R1 est phényle éventuellement substitué par 55 Ci-4haloalkyle et R2 est phényle éventuellement substitué par Ci-4alkoxy ou halogène, R2 est phényle éventuellement subs- Ci-4haloalkyle; in which R1 represents C1-4 alkyl or phenyl optionally substituted by Ci-4alkyl, Ci-4alkoxy, nitro or in which R1 is phenyl optionally substituted by 55 Ci-4haloalkyle and R2 is phenyl optionally substituted by Ci-4alkoxy or halogen, R2 is optionally subs- C1-4haloalkyl phenyl;
titué par Ci-4alkyle, Ci-4haloalkyle, halogène, amino ou ainsi que les sels pharmaceutiquement admissibles de ces titrated by Ci-4alkyle, Ci-4haloalkyle, halogen, amino or as well as the pharmaceutically acceptable salts of these
C2-4alkanoylamino et m est 1 ou 2; des thiazoles de formule (V) C2-4alkanoylamino and m is 1 or 2; thiazoles of formula (V)
// //
/ \ a / \ at
—CH N N - R —CH N N - R
r* w r * w
(v) (v)
composes. compounds.
De préférence, dans les dérivés précités, et dans le cas où 60 c'est applicable, m représente 1. Preferably, in the abovementioned derivatives, and where 60 is applicable, m represents 1.
Des composés particulièrement préférés de formule (I) sont les suivants: Particularly preferred compounds of formula (I) are the following:
l-[2-(5-phénylthiophène-2-yl)éthyl]-4-phénylpipérazine; 65 1 -(5-méthylfuranne-2-ylméthyl)-4-(3-chlorophényl)pipéra-zine; 1- [2- (5-phenylthiophene-2-yl) ethyl] -4-phenylpiperazine; 65 1 - (5-methylfuran-2-ylmethyl) -4- (3-chlorophenyl) piperazine;
l-[5-(4-méthoxyphényl)-furanne-2-ylméthyl]-4-phénylpipé-razine; 1- [5- (4-methoxyphenyl) -furan-2-ylmethyl] -4-phenylpipe-razine;
633009 633009
l-[5-(3,4-diméthylphényl)-furanne-2-ylméthyl]-4-phénylpi-pérazine; 1- [5- (3,4-dimethylphenyl) -furan-2-ylmethyl] -4-phenylpi-perazine;
1 —(3-[5-(3,4-dichlorophényl)-furanne-2-yl]prop-1 -yl}-4-(4-méthylphényl)pipérazine; 1 -[2-(5-phénylthiophèn-2-yl)but-1 -yl]-4-phénylpipérazine; l-(5-phénylthiophèn-2-ylméthyl)-4-(3,4-diméthyl-phényl)pipérazine; 1 - (3- [5- (3,4-dichlorophenyl) -furan-2-yl] prop-1 -yl} -4- (4-methylphenyl) piperazine; 1 - [2- (5-phenylthiophen-2- yl) but-1-yl] -4-phenylpiperazine; 1- (5-phenylthiophen-2-ylmethyl) -4- (3,4-dimethyl-phenyl) piperazine;
l-[3-(5-phénylfuranne-2-yl)prop-l-yl]-4-(4-méthyl-phényl)pipérazine; 1- [3- (5-phenylfuran-2-yl) prop-1-yl] -4- (4-methyl-phenyl) piperazine;
l-[5-(4-méthoxyphényl)-furanne-2-ylméthyl]-4-(4-méthyl-phényl)pipérazine; 1- [5- (4-methoxyphenyl) -furan-2-ylmethyl] -4- (4-methyl-phenyl) piperazine;
l-(5-phényloxazol-2-ylméthyl)-4-(4-méthylphényl)-pipéra-zine; 1- (5-phenyloxazol-2-ylmethyl) -4- (4-methylphenyl) -piperazine;
l-(2-benzylthiazol-4-ylméthyl)-4-phénylpipérazine; 1- (2-benzylthiazol-4-ylmethyl) -4-phenylpiperazine;
et les sels d'addition avec les acides qui sont pharmaceutiquement admissibles de ces composés. and the addition salts with acids which are pharmaceutically acceptable of these compounds.
D'autres exemples illustratifs des nouveaux composés de l'invention sont: Other illustrative examples of the new compounds of the invention are:
l-(5-phénylthiophèn-2-ylméthyl)-4-(3-chlorophényl)pipéra-zine: 1- (5-phenylthiophen-2-ylmethyl) -4- (3-chlorophenyl) piperazine:
l-(5-phénylthiophène-2-ylméthyl)-4-(4-méthoxy-phényl)pipérazine; 1- (5-phenylthiophene-2-ylmethyl) -4- (4-methoxy-phenyl) piperazine;
l-[5-(3-trifluorométhyl-4-chlorophényl)-furanne-2-ylmé-thyl]-4-(4-fluorophényl)pipérazine; 1- [5- (3-trifluoromethyl-4-chlorophenyl) -furan-2-ylmé-thyl] -4- (4-fluorophenyl) piperazine;
l-[3-(5-phénylfuranne-2-yl)prop-l-yl]-4-(3-trifluorométhyl-phényl)pipérazine; 1- [3- (5-phenylfuran-2-yl) prop-1-yl] -4- (3-trifluoromethyl-phenyl) piperazine;
l-(2-méthylthiazol-4-ylméthyl)-4-(3-chlorophényI)pipéra-zine; 1- (2-methylthiazol-4-ylmethyl) -4- (3-chlorophenyl) piperazine;
l-[2-(4-phénylthiazol-2-yl)éthyl]-4-(4-aminophényl)pipéra-zine; 1- [2- (4-phenylthiazol-2-yl) ethyl] -4- (4-aminophenyl) piperazine;
l-[2-(4-phénylthiazol-2-yl)éthyl]-4-(4-nitrophényl)pipéra-zine; 1- [2- (4-phenylthiazol-2-yl) ethyl] -4- (4-nitrophenyl) piperazine;
l-(5-phényloxazol-2-ylméthyl)-4-phénylpipérazine; 1- (5-phenyloxazol-2-ylmethyl) -4-phenylpiperazine;
l-[4-(3-trifluorométhylphényl)-thiazol-2-ylméthyl]-4-phényl- l- [4- (3-trifluoromethylphenyl) -thiazol-2-ylmethyl] -4-phenyl-
pipérazine; piperazine;
l-(4-phénylthiazol-2-ylméthyl)-4-phénylpipérazine; 1- (4-phenylthiazol-2-ylmethyl) -4-phenylpiperazine;
l--{2-[5-(4-chlorophényl)oxazol-2-yl]-éthyl}-4-phénylpipéra- l - {2- [5- (4-chlorophenyl) oxazol-2-yl] -ethyl} -4-phenylpiperera-
zine; Zine;
l-[2-(5-phényloxazol-2-yl)éthyl]-4-(4-chlorophényl)-pipéra-zine; 1- [2- (5-phenyloxazol-2-yl) ethyl] -4- (4-chlorophenyl) -piperazine;
l-[2-(5-phényloxazol-2-yl)éthyl]-4-(4-méthoxyphényl)-pipé-razine; 1- [2- (5-phenyloxazol-2-yl) ethyl] -4- (4-methoxyphenyl) -pipe-razine;
1 -[1 -(5-phényloxazol-2-yl)prop-2-yl]-4-(4-méthyl phényl)-pipérazine; 1 - [1 - (5-phenyloxazol-2-yl) prop-2-yl] -4- (4-methyl phenyl) -piperazine;
1 -[ 1 -(5-phényloxazol-2-yl)éthyl]-4-(4-méthylphényl)-pipéra-zine; 1 - [1 - (5-phenyloxazol-2-yl) ethyl] -4- (4-methylphenyl) -piperazine;
l-(5-phênyloxazol-2-ylméthyl)-3-méthyl-4-(4-méthyl-phényl)-pipérazine; 1- (5-phenyloxazol-2-ylmethyl) -3-methyl-4- (4-methyl-phenyl) -piperazine;
l-(5-phényloxazol-2-ylméthyl)-2,3-diméthyl-4-(4-méthyl-phényl)-pipérazine; 1- (5-phenyloxazol-2-ylmethyl) -2,3-dimethyl-4- (4-methyl-phenyl) -piperazine;
l-{2-[4-(chlorophényl)-thiazol-2-yI]éthyl}-4-phénylpipéra-zine; 1- {2- [4- (chlorophenyl) -thiazol-2-yI] ethyl} -4-phenylpiperazine;
l-[2-(4-phénylthiazoI-2-yl)éthyl]-4-(4-chlorophényl)-pipéra-zine; 1- [2- (4-phenylthiazoI-2-yl) ethyl] -4- (4-chlorophenyl) -piperazine;
l-[2-(4-phénylthiazol-2-yl)éthyl]-4-(4-méthoxyphényl)-pipé-razine; 1- [2- (4-phenylthiazol-2-yl) ethyl] -4- (4-methoxyphenyl) -pipe-razine;
1 -[ 1 -(4-phénylthiazol-2-yl)prop-2-yl]-4-(4-méthyl phényl)-pipérazine; 1 - [1 - (4-phenylthiazol-2-yl) prop-2-yl] -4- (4-methyl phenyl) -piperazine;
1 -[ 1 -(4-phénylthiazol-2-yl)éthyl]-4-(4-méthylphényl)-pipéra-zine; 1 - [1 - (4-phenylthiazol-2-yl) ethyl] -4- (4-methylphenyl) -piperazine;
l-(4-phénylthiazol-2-yIméthyl)-4-(4-méthanesulfonamido-phényl)-pipérazine; 1- (4-phenylthiazol-2-yImethyl) -4- (4-methanesulfonamido-phenyl) -piperazine;
l--{2-[5-(4-chlorophényl)-furanne-2-yl]éthyl}-4-phénylpipé-razine; l - {2- [5- (4-chlorophenyl) -furan-2-yl] ethyl} -4-phenylpipe-razine;
l-[2-(5-phénylfuranne-2-yl)éthyl]-4-(4-chlorophényl)-pipéra-zine; 1- [2- (5-phenylfuran-2-yl) ethyl] -4- (4-chlorophenyl) -piperazine;
l-[2-(5-phénylfuranne-2-yl)éthyl]-4-(4-méthoxyphényl)-pipé-razine; 1- [2- (5-phenylfuran-2-yl) ethyl] -4- (4-methoxyphenyl) -pipe-razine;
1 -[1 -(5-phénylfuranne-2-yl)prop-2-yl]-4-(4-méthylphényl-pipérazine; 1 - [1 - (5-phenylfuran-2-yl) prop-2-yl] -4- (4-methylphenyl-piperazine;
s 1 -[1 -(5-phénylfuranne-2-yl)éthyl]-4-(4-méthylphényl)-pipé-razine; s 1 - [1 - (5-phenylfuran-2-yl) ethyl] -4- (4-methylphenyl) -pipe-razine;
l-(5-phénylfuranne-2-ylméthyl)-4-(4-méthylphényl)-pipéra-zine; 1- (5-phenylfuran-2-ylmethyl) -4- (4-methylphenyl) -piperazine;
l-(5-phénylfuranne-2-ylméthyl)-4-(4-méthanesulfonamido-io phényl)-pipérazine; 1- (5-phenylfuran-2-ylmethyl) -4- (4-methanesulfonamido-10 phenyl) -piperazine;
1 -[4-phénylthiazol-2-yl)but-1 -yl]-4-phénylpipérazine; 1 - [4-phenylthiazol-2-yl) but-1-yl] -4-phenylpiperazine;
l-(5-phénylthiophèn-2-ylméthyl)-4-(4-méthylphényl)-pipé- l- (5-phenylthiophen-2-ylmethyl) -4- (4-methylphenyl) -pipe-
razine; razine;
l-(5-phénylthiophèn-2-ylméthyl)-4-phénylpipérazine; is 1 -(5-méthyloxazoI-2-ylméthyl)-4-phénylpipérazine; 1- (5-phenylthiophen-2-ylmethyl) -4-phenylpiperazine; is 1 - (5-methyloxazoI-2-ylmethyl) -4-phenylpiperazine;
l-(4-méthyloxazol-2-ylméthyl)-4-(4-méthylphényl)-pipéra-zine; 1- (4-methyloxazol-2-ylmethyl) -4- (4-methylphenyl) -piperazine;
l-[2-(5-méthyloxazol-2-yl)éthyl]-4-(4-chlorophényl)-pipéra-zine; 1- [2- (5-methyloxazol-2-yl) ethyl] -4- (4-chlorophenyl) -piperazine;
20 1 -[2-(4-méthyloxazol-2-yl)éthyl]-4-(3-méthylphényl)-pipéra-zine; 1 - [2- (4-methyloxazol-2-yl) ethyl] -4- (3-methylphenyl) -piperazine;
1 -[3-(5-méthyloxazol-2-yl)prop-1 -yl]-4-(2-chloro-phényl)pipérazine; 1 - [3- (5-methyloxazol-2-yl) prop-1 -yl] -4- (2-chloro-phenyl) piperazine;
l-(5-benzyloxazol-2-ylméthyl)-4-(4-nitrophényl)pipérazine; 25 1 -(4-benzyloxazol-2-ylméthyl)-4-(4-acétylaminophény l)pipé-razine; 1- (5-benzyloxazol-2-ylmethyl) -4- (4-nitrophenyl) piperazine; 1 - (4-benzyloxazol-2-ylmethyl) -4- (4-acetylaminopheny 1) pipé-razine;
l-[2-(5-benzyloxazol-2-yl)éthyl]-4-(4-nitrophényl)pipérazine; l-[2-(5-benzyloxazol-2-yl)éthyl]-4-(4-éthylphényl)pipérazine; 1 -[3-(5benzyloxazol-2-yl)prop-1 -yl]-4-(4-éthoxyphényl)pipé-30 razine; 1- [2- (5-benzyloxazol-2-yl) ethyl] -4- (4-nitrophenyl) piperazine; 1- [2- (5-benzyloxazol-2-yl) ethyl] -4- (4-ethylphenyl) piperazine; 1 - [3- (5benzyloxazol-2-yl) prop-1 -yl] -4- (4-ethoxyphenyl) pipé-30 razine;
l-(5-méthylthiazol-2-ylméthyl)-4-phénylpipérazine; 1- (5-methylthiazol-2-ylmethyl) -4-phenylpiperazine;
l-(4-méthylthiazol-2-ylméthyl)-4-(4-méthylphényl)pipéra- l- (4-methylthiazol-2-ylmethyl) -4- (4-methylphenyl) pipera-
zine; Zine;
l-[2-(5-méthylthiazol-2-yl)éthyl]-4-(4-chlorophényl)pipéra-35 zine; 1- [2- (5-methylthiazol-2-yl) ethyl] -4- (4-chlorophenyl) pipera-zine;
l-[2-(4-méthylthiazol-2-yl)éthyl])-4-(3-méthylphényl)pipéra-zine; 1- [2- (4-methylthiazol-2-yl) ethyl]) - 4- (3-methylphenyl) piperazine;
1 -[3-(5-méthylthiazol-2-yl)prop-1 -yl]-4-(2-chloro-phényl)pipérazine; 40 1 -(5-benzylthiazol-2-ylméthyl)-4-(4-nitrophényl)pipérazine; l-(4-benzylthiazol-2-ylméthyl)-4-(3-acétylamino-phényl)pipérazine; 1 - [3- (5-methylthiazol-2-yl) prop-1 -yl] -4- (2-chloro-phenyl) piperazine; 40 1 - (5-benzylthiazol-2-ylmethyl) -4- (4-nitrophenyl) piperazine; 1- (4-benzylthiazol-2-ylmethyl) -4- (3-acetylamino-phenyl) piperazine;
l-[2-(5-benzylthiazol-2-yl)éthyl]-4-(4-aminophényl)pipéra-zine; 1- [2- (5-benzylthiazol-2-yl) ethyl] -4- (4-aminophenyl) piperazine;
45 l-[2-(5-benzylthiazol-2-yl)éthyl]-4-(4-éthylphényl)pipérazine; 1 -t3-(5-benzylthiazol-2-yl)prop-1 -yl](4-éthoxyphényl)pipéra-zine; 45 1- [2- (5-benzylthiazol-2-yl) ethyl] -4- (4-ethylphenyl) piperazine; 1 -t3- (5-benzylthiazol-2-yl) prop-1 -yl] (4-ethoxyphenyl) piperazine;
l-(5-méthylfuranne-2-ylméthyl)-4-phénylpipérazine; l-(4-méthylfuranne-2-ylméthyl)-4-(4-méthylphényl)pipéra-50 zine; 1- (5-methylfuran-2-ylmethyl) -4-phenylpiperazine; 1- (4-methylfuran-2-ylmethyl) -4- (4-methylphenyl) pipera-50 zine;
l-[2-(5-méthylfuranne-2-yl)éthyl]-4-(4-chlorophényl)-pipéra-zine; 1- [2- (5-methylfuran-2-yl) ethyl] -4- (4-chlorophenyl) -piperazine;
l-[2-(4-méthylfuranne-2-yl)éthyl]-4-(3-méthylphényl)-pipé-razine; 1- [2- (4-methylfuran-2-yl) ethyl] -4- (3-methylphenyl) -pipe-razine;
55 l-[3-(5-méthylfuranne-2-yl)prop-l-yl]-4-(2-chloro-phényl)pipérazine; 55 1- [3- (5-methylfuran-2-yl) prop-1-yl] -4- (2-chloro-phenyl) piperazine;
l-(5-benzylfuranne-2-ylméthyl)-4-(4-nitrophényl)pipérazine; l-(4-benzylfuranne-2-ylmêthyl)-4-(3-acêtylamino-phényl)pipérazine; 1- (5-benzylfuran-2-ylmethyl) -4- (4-nitrophenyl) piperazine; 1- (4-benzylfuran-2-ylmethyl) -4- (3-acetylamino-phenyl) piperazine;
60 1 -[2-(5-benzylfuranne-2-y l)éthyl]-4-(4-éthylphényl)pipéra-zine; 60 1 - [2- (5-benzylfuran-2-yl) ethyl] -4- (4-ethylphenyl) piperazine;
1 -[3-(5-benzylfuranne-2-yl)prop-1 -yl]-4-(4-éthoxy-phényl)pipérazine; 1 - [3- (5-benzylfuran-2-yl) prop-1 -yl] -4- (4-ethoxy-phenyl) piperazine;
l-(5-méthylthiophèn-2-ylméthyl)-4-phénylpipérazine; 65 1 -(4-méthylthiophèn-2-ylméthyl)-4-(4-méthylphény l)-pipé-razine; 1- (5-methylthiophen-2-ylmethyl) -4-phenylpiperazine; 65 1 - (4-methylthiophen-2-ylmethyl) -4- (4-methylpheny 1) -pipe-razine;
l-[2-(5-méthylthiophèn-2-yl)éthyl]-4-(4-chlorophényl)pipéra-zine; 1- [2- (5-methylthiophen-2-yl) ethyl] -4- (4-chlorophenyl) piperazine;
5 5
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l-[2-(4-méthylthiophèn-2-yl)éthyl]-4-(3-méthyIphényIpipéra-zine; 1- [2- (4-methylthiophen-2-yl) ethyl] -4- (3-methylPhényIpipérazine;
1 -[3-(5-méthylthiophèn-2-yl)prop-1 -yl]-4-(2-chloro-phényl)pipérazine; 1 - [3- (5-methylthiophen-2-yl) prop-1 -yl] -4- (2-chloro-phenyl) piperazine;
l-(5-benzylthiophèn-2-ylméthyl)-4-(4-nitrophényl)pipéra-zine; 1- (5-benzylthiophen-2-ylmethyl) -4- (4-nitrophenyl) piperazine;
l-(4-benzylthiophèn-2-ylméthyl)-4-(3-acétyIamino-phényl)pipérazine; 1- (4-benzylthiophen-2-ylmethyl) -4- (3-acetylamino-phenyl) piperazine;
l-[2-(5-benzyIthiophèn-2-yI)éthyl]-4-(4-nitrophényl)pipéra-zine; 1- [2- (5-benzyIthiophen-2-yI) ethyl] -4- (4-nitrophenyl) piperazine;
l-[2-(5-benzylthiophèn-2-yl)éthyl]-4-(4-éthylphényl)pipéra-zine; 1- [2- (5-benzylthiophen-2-yl) ethyl] -4- (4-ethylphenyl) piperazine;
1 -[3-(5-benzylthiophèn-2-yl)prop-1 -yl-4-(4-éthoxy-phény!)pipérazine; 1 - [3- (5-benzylthiophen-2-yl) prop-1 -yl-4- (4-ethoxy-pheny!) Piperazine;
et les sels d'addition avec les acides qui sont pharmaceutiquement admissibles de ces composés. and the addition salts with acids which are pharmaceutically acceptable of these compounds.
Le procédé selon l'invention pour la préparation de dérivés de pipérazine de formule (I), ou des sels d'addition avec les acides de ceux-ci comporte: The process according to the invention for the preparation of piperazine derivatives of formula (I), or addition salts with the acids thereof, comprises:
la réduction d'un composé de formule aVccivVi— x— N N-*2 reduction of a compound of formula aVccivVi— x— N N- * 2
\ / (IX) \ / (IX)
dans laquelle X représente -CH2-CR3= pour former un composé dans lequel n est 0 ou 1. in which X represents -CH2-CR3 = to form a compound in which n is 0 or 1.
La réduction des composés de formule dans laquelle X représente -CH2-CR3 peut s'effectuer en utilisant des conditions de réaction décrites dans J.A.C.S. 93,2897-2904 (1971) ou dans Synthesis 135-146 (1975). La réduction est de préférence réalisée en utilisant du cyanoborohydrure de sodium mais d'autres formes de réduction, par exemple une hydrogénation catalytique ou l'utilisation d'autres agents de réduction chimiques convenables est possible. Comme indiqué précédemment, la réaction se déroule de préférence dans un domaine de température de 0 à 80°C. The reduction of the compounds of formula in which X represents -CH2-CR3 can be carried out using reaction conditions described in J.A.C.S. 93,2897-2904 (1971) or in Synthesis 135-146 (1975). The reduction is preferably carried out using sodium cyanoborohydride but other forms of reduction, for example catalytic hydrogenation or the use of other suitable chemical reducing agents is possible. As indicated above, the reaction preferably takes place in a temperature range from 0 to 80 ° C.
Les composés de formule (I) obtenus par les procédés prémentionnés peuvent être isolés tels quels ou sous forme d'un sel d'addition avec un acide. The compounds of formula (I) obtained by the aforementioned processes can be isolated as such or in the form of an addition salt with an acid.
Les sels d'addition avec un acide sont de préférence des sels d'addition non toxiques, pharmaceutiquement admissibles, avec des acides convenables tels que ceux qu'on obtient avec des acides inorganiques comme par exemple l'acide chlorhydrique, bromhydrique, nitrique, sulfurique ou phos-phorique ou avec des acides organiques tels que les acides carboxyliques organiques, par exemple l'acide glycolique, maléique, hydroxymaléique, malique, tartrique, citrique, salicylique, o-acétoxybenzoïque, nicotinique ou isonicoti-nique, et des acides sulfoniques organiques par exemple l'acide méthane sulfonique, éthane sulfonique, 2-hydroxy-éthane sulfonique, p-toluène-sulfonique, ou naphtalène-2-sulfonique. En plus des sels d'addition avec des acides pharmaceutiquement acceptables, d'autres sels relèvent également de l'invention à savoir des sels d'addition acides tels que ceux que l'on obtient par exemple avec l'acide picrique ou oxalique; ces derniers peuvent servir d'intermédiaires dans la purification des composés ou pour la production d'autres sels d'addition avec les acides, par exemple les sels d'addition pharmaceutiquement admissibles ou encore peuvent être utiles pour l'identification, la caractérisation ou la purification des bases. The addition salts with an acid are preferably non-toxic addition salts, pharmaceutically acceptable, with suitable acids such as those obtained with inorganic acids such as for example hydrochloric, hydrobromic, nitric, sulfuric acid. or phos-phoric or with organic acids such as organic carboxylic acids, for example glycolic, maleic, hydroxymaleic, malic, tartaric, citric, salicylic, o-acetoxybenzoic, nicotinic or isonicotonic acid, and organic sulfonic acids for example methane sulfonic acid, ethane sulfonic, 2-hydroxyethane sulfonic, p-toluene-sulfonic, or naphthalene-2-sulfonic. In addition to the addition salts with pharmaceutically acceptable acids, other salts also fall within the scope of the invention, namely acid addition salts such as those obtained for example with picric or oxalic acid; the latter can be used as intermediates in the purification of the compounds or for the production of other addition salts with acids, for example the pharmaceutically admissible addition salts or can also be useful for the identification, characterization or purification of bases.
Un sel d'addition avec un acide obtenu peut être transformé en composé libre par des procédés connus, par exemple en traitant à l'aide d'une base telle qu'un hydroxyde ou un alkoxyde métallique, par exemple un hydroxyde de métal alcalin ou d'un métal alcalino-terreux à savoir l'hydro-xyde de lithium, l'hydroxyde de sodium, l'hydroxyde de potassium ou l'hydroxyde de calcium; avec un carbonate s métallique tel qu'un carbonate ou un hydrogénocarbonate de métal alcalin ou de métal alcalino-terreux, avec de l'ammoniac ou avec une préparation échangeuse d'ions hydroxyle ou encore avec n'importe quel autre réactif convenable. An addition salt with an acid obtained can be converted into the free compound by known methods, for example by treating with a base such as a hydroxide or a metal alkoxide, for example an alkali metal hydroxide or of an alkaline earth metal, namely lithium hydroxide, sodium hydroxide, potassium hydroxide or calcium hydroxide; with a metal carbonate such as an alkali metal or alkaline earth metal carbonate or hydrogen carbonate, with ammonia or with a hydroxyl ion exchange preparation or with any other suitable reagent.
Un sel d'addition avec un acide obtenu peut être transit) formé en un autre sel d'addition avec un acide par des procédés connus; par exemple, un sel d'un acide inorganique peut être traité par un sel métallique, par exemple un sel de sodium, de baryum ou d'argent d'un acide dans un diluant convenable, dans lequel le sel inorganique obtenu est inso-15 lubie permettant ainsi de le retirer du milieu réactionnel. Un sel d'addition avec un acide peut être transformé en un autre sel d'addition avec un acide par traitement à l'aide d'une préparation échangeuse d'anions. An addition salt with an acid obtained can be transit) formed into another addition salt with an acid by known methods; for example, a salt of an inorganic acid may be treated with a metal salt, for example a sodium, barium or silver salt of an acid in a suitable diluent, in which the inorganic salt obtained is insoluble. fad thus allowing it to be removed from the reaction medium. An acid addition salt can be converted to another acid addition salt by treatment with an anion exchange preparation.
Les composés de formule (I) et leurs sels pharmaceutique-20 ment acceptables ont montré des propriétés utiles dans le traitement prophylactique et thérapeutique de maladies d'hypersensibilité immédiate, incluant l'asthme des mammifères. Les composés présentent une faible toxicité. The compounds of formula (I) and their pharmaceutically acceptable salts have shown properties useful in the prophylactic and therapeutic treatment of immediate hypersensitivity diseases, including mammalian asthma. The compounds have low toxicity.
Les composés obtenus par le procédé de la présente inven-25 tion peuvent être administrés par différentes voies et à cet effet peuvent être présentés sous forme de compositions de formes différentes. Ainsi, les composés ou compositions peuvent être administrés par voie orale, rectale, topique ou parentérale (par exemple par injection ou par infusion intra-30 veineuse continue ou discontinue) sous forme par exemple de comprimés, losanges, comprimés à sucer, cachets, sachets, élixirs, suspensions, suppositoires, aérosols, onguents ou pommades (contenant par exemple de 1 à 10% en poids d'un composé actif dans une base convenable) de capsules de géla-35 tine molle ou dure, de solutions ou de suspensions d'injection dans des milieux physiologiquement admissibles ou de poudres sous emballage stérile adsorbées sur un support matériel permettant de préparer des solutions d'injection. The compounds obtained by the process of the present invention can be administered by different routes and for this purpose can be presented in the form of compositions of different forms. Thus, the compounds or compositions can be administered orally, rectally, topically or parenterally (for example by injection or by continuous or discontinuous intravenous infusion) in the form, for example, of tablets, diamonds, sucking tablets, cachets, sachets , elixirs, suspensions, suppositories, aerosols, ointments or ointments (containing for example from 1 to 10% by weight of an active compound in a suitable base) of soft or hard gelatin capsules, solutions or suspensions of injection into physiologically acceptable media or of powders in sterile packaging adsorbed on a material support making it possible to prepare injection solutions.
Avantageusement à cet effet, les compositions peuvent être 40 prévues sous forme de dosage unitaire qui contiennent de préférence chacune de 5 à 500 mg (de 5,0 à 50 mg dans le cas d'administration parentérale, de 5,0 à 50 mg dans le cas d'inhalation et de 25 à 500 mg dans le cas d'une administration orale ou rectale) d'un composé de formule I. Des posologies 45 variant de 0,5 à 300 mg/kg par jour, de préférence de 0,5 à 20 mg/kg de composant actif peuvent être appliquées bien que l'on comprendra que la quantité de composé ou de composés de formule (I) qui sera effectivement administrée sera déterminée par le médecin traitant, compte tenu des circons-50 tances particulières, incluant l'état à traiter, le choix du composé administré et le choix de la voie d'administration et par conséquent, la zone de dosage et la posologie précitée, ne limitent en aucune manière la portée de la présente invention. Advantageously for this purpose, the compositions can be provided in unit dosage form which preferably each contain from 5 to 500 mg (from 5.0 to 50 mg in the case of parenteral administration, from 5.0 to 50 mg in in the case of inhalation and from 25 to 500 mg in the case of oral or rectal administration) of a compound of formula I. Doses 45 varying from 0.5 to 300 mg / kg per day, preferably from 0 , 5 to 20 mg / kg of active component can be applied although it will be understood that the amount of compound or compounds of formula (I) which will actually be administered will be determined by the attending physician, taking into account the circumstances. Particular, including the state to be treated, the choice of the compound administered and the choice of the route of administration and therefore, the aforementioned dosage area and dosage, in no way limit the scope of the present invention.
Les compositions seront normalement constituées par au 55 moins un composé de formule I avec un support ou dilué par un support ou encore enrobé ou encapsulé dans un support ingérable sous forme d'une capsule, d'un sachet, d'un cachet, d'un emballage en papier ou d'un autre emballage ou encore dans un emballage à jeter tel qu'une ampoule. Le support ou 60 diluant peut être une matière solide, semi-solide ou liquide, qui sert de véhicule, d'excipient ou de milieu pour la substance thérapeutiquement active. The compositions will normally consist of at least one compound of formula I with a support or diluted with a support or else coated or encapsulated in an ingestible support in the form of a capsule, a sachet, a cachet, paper packaging or other packaging or in disposable packaging such as an ampoule. The carrier or diluent can be a solid, semi-solid or liquid material, which serves as a vehicle, excipient or medium for the therapeutically active substance.
Quelques exemples de diluants ou supports qui peuvent être utilisés dans les compositions pharmaceutiques de la pré-65 sente invention sont: le lactose, le dextrose, le sucrose, le sor-bitol, le mannitol, le propylèneglycol, la paraffine liquide, la paraffine tendre blanche, le kaolin, le dioxyde de silicium pyrogéné, la cellulose microcristalline, le silicate de calcium, Some examples of diluents or carriers which can be used in the pharmaceutical compositions of the present invention are: lactose, dextrose, sucrose, sor-bitol, mannitol, propylene glycol, liquid paraffin, tender paraffin white, kaolin, fumed silicon dioxide, microcrystalline cellulose, calcium silicate,
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6 6
la silice, la poly vinylpyrrolidone, l'alcool cétostéarylique, l'amidon, les amidons modifiés, la gomme d'acacia, le phosphate de calcium, le beurre de cacao, les esters éthoxylés, l'huile de théobromine, l'huile d'arachide, les alginates, la gomme adragante, la gélatine, le sirop B.P., la méthyl cellulose, le monolaurate de polyoxyéthylène sorbitan, le lactate d'éthyle, l'hydroxybenzoate de méthyle et de propyle, le trio-léate de sorbitan, le sesquioléate de sorbitan et l'alcool oléy-lique ainsi que des gaz propulseurs tels que le trichloromono-fluorométhane, le dichlorodifluorométhane et le dichloroté-trafluoroéthane. Dans le cas de comprimés, un lubrifiant peut être incorporé pour empêcher le collage et l'adhérence des ingrédients en poudre aux matrices et aux poinçons des presses. A cet effet, on peut utiliser par exemple les stéarates d'aluminium, de magnésium ou de calcium, le talc ou l'huile minérale. silica, polyvinylpyrrolidone, cetostearyl alcohol, starch, modified starches, acacia gum, calcium phosphate, cocoa butter, ethoxylated esters, theobromine oil, d oil peanut, alginates, tragacanth, gelatin, BP syrup, methyl cellulose, polyoxyethylene sorbitan monolaurate, ethyl lactate, methyl and propyl hydroxybenzoate, sorbitan trio-leate, sorbitan sesquioleate and oleyl alcohol as well as propellants such as trichloromono-fluoromethane, dichlorodifluoromethane and dichloroté-trafluoroethane. In the case of tablets, a lubricant can be incorporated to prevent sticking and adhesion of the powdered ingredients to the dies and punches of the presses. For this purpose, it is possible to use, for example, aluminum, magnesium or calcium stearates, talc or mineral oil.
L'invention sera illustrée plus en détail dans les exemples qui suivent: The invention will be illustrated in more detail in the following examples:
Exemple 1 Example 1
l-[5-(3,4-diméthylphényl)-furanne-2-ylméthyl]-4-phényl-pipérazine l- [5- (3,4-dimethylphenyl) -furan-2-ylmethyl] -4-phenyl-piperazine
4,0 g (0,02 mole) de 5-(3,4-diméthylphényl)-furanne-2-car-boxaldéhyde préparé par le procédé de C. S. Davis et G.S. Lougheed J.Het.Chem. 4153, (1967), sont ajoutés rapidement à une solution agitée de 3,2 g (0,02 mole) de N-phé-nylpipérazine dans 30 ml de méthanol amenés à pH 7 (en utilisant MeOH/HCl). Après 30 minutes, une solution de 0,48 g (0,0075 mole) de cyanoborohydrure de sodium dans 10 ml de méthanol est ajoutée goutte à goutte et le mélange est agité à la température ordinaire pendant 2 heures. Après avoir éliminé le méthanol par évaporation, le solide obtenu est purifié par Chromatographie sur gel de silice. Les fractions contenant le composé souhaité sont combinées, évaporées et le solide cristallin qui se forme est recristallisé dans l'éther de pétrole s 60/80°C pour donner le composé du titre, Pf. 110°C. 4.0 g (0.02 mole) of 5- (3,4-dimethylphenyl) -furan-2-car-boxaldehyde prepared by the method of C. S. Davis and G.S. Lougheed J.Het.Chem. 4153, (1967), are quickly added to a stirred solution of 3.2 g (0.02 mole) of N-phe-nylpiperazine in 30 ml of methanol brought to pH 7 (using MeOH / HCl). After 30 minutes, a solution of 0.48 g (0.0075 mol) of sodium cyanoborohydride in 10 ml of methanol is added dropwise and the mixture is stirred at room temperature for 2 hours. After removing the methanol by evaporation, the solid obtained is purified by chromatography on silica gel. The fractions containing the desired compound are combined, evaporated and the crystalline solid which forms is recrystallized from petroleum ether at 60/80 ° C to give the title compound, mp 110 ° C.
De manière similaire, on a préparé les composés suivants: Similarly, the following compounds were prepared:
Exemple 2 Example 2
l-[5-(3-trifluorométhyl-4-chlorophényl)-furanne-2-ylmé-îo thyl]-4-(4-fluorophényl)pipérazine 1- [5- (3-trifluoromethyl-4-chlorophenyl) -furan-2-ylmé-îo thyl] -4- (4-fluorophenyl) piperazine
Pf. 94°C. Mp 94 ° C.
Exemple 3 Example 3
l-[5-(4-chlorophényl)-furanne-2-ylméthyl]-4-(4-nitro-15 phénylpipérazine l- [5- (4-chlorophenyl) -furan-2-ylmethyl] -4- (4-nitro-phenylpiperazine)
Pf. 149°C. Mp 149 ° C.
Exemple 4 Example 4
l-[5-(4-méthoxyphényl)furanne-2-ylméthyl]-4-(4-méthyl-20 phénylpipérazine 1- [5- (4-methoxyphenyl) furan-2-ylmethyl] -4- (4-methyl-20 phenylpiperazine)
Pf. 138°C. Mp 138 ° C.
Exemple 5 Example 5
Monochlorhydrate de l-[5-(3,4-dichlorophényl)furanne-25 2-ylméthyl]-4-(3-trifluorométhylphényl)pipérazine 1- [5- (3,4-Dichlorophenyl) furan-2-ylmethyl] -4- (3-trifluoromethylphenyl) piperazine monohydrochloride
Pf. 210°C. Mp 210 ° C.
Exemple 6 Example 6
l-(5-phénylthiophène-2-ylméthyl)-4-(3,4-dichloro-30 phénylpipérazine 1- (5-phenylthiophene-2-ylmethyl) -4- (3,4-dichloro-30 phenylpiperazine)
Pf. 140°C. Mp 140 ° C.
B B
Claims (7)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB16526/76A GB1575904A (en) | 1976-04-23 | 1976-04-23 | Phenyl piperazines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH633009A5 true CH633009A5 (en) | 1982-11-15 |
Family
ID=10078930
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH455777A CH625802A5 (en) | 1976-04-23 | 1977-04-13 | Process for the preparation of phenylpiperazine derivatives |
| CH525781A CH633009A5 (en) | 1976-04-23 | 1977-04-13 | Process for the preparation of new phenylpiperazine derivatives |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH455777A CH625802A5 (en) | 1976-04-23 | 1977-04-13 | Process for the preparation of phenylpiperazine derivatives |
Country Status (34)
| Country | Link |
|---|---|
| JP (1) | JPS52151183A (en) |
| AR (2) | AR222003A1 (en) |
| AT (1) | AT355579B (en) |
| AU (1) | AU514822B2 (en) |
| BE (1) | BE853899A (en) |
| BG (2) | BG27746A3 (en) |
| CA (1) | CA1087617A (en) |
| CH (2) | CH625802A5 (en) |
| CS (1) | CS196360B2 (en) |
| DD (1) | DD129790A5 (en) |
| DE (1) | DE2717415A1 (en) |
| DK (1) | DK176177A (en) |
| ES (2) | ES457988A1 (en) |
| FI (1) | FI63937C (en) |
| FR (1) | FR2348925A1 (en) |
| GB (1) | GB1575904A (en) |
| GR (1) | GR64084B (en) |
| HU (1) | HU176820B (en) |
| IE (1) | IE44730B1 (en) |
| IL (1) | IL51787A (en) |
| LU (1) | LU77170A1 (en) |
| MX (1) | MX4596E (en) |
| NL (1) | NL7704456A (en) |
| NO (1) | NO146710C (en) |
| NZ (1) | NZ183715A (en) |
| OA (1) | OA05643A (en) |
| PH (1) | PH14124A (en) |
| PL (1) | PL117466B1 (en) |
| PT (1) | PT66452B (en) |
| RO (1) | RO72831A (en) |
| SE (1) | SE7704536L (en) |
| SU (2) | SU664564A3 (en) |
| YU (1) | YU104477A (en) |
| ZA (1) | ZA771849B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1601310A (en) * | 1978-05-23 | 1981-10-28 | Lilly Industries Ltd | Aryl hydantoins |
| DE3142608A1 (en) * | 1981-10-28 | 1983-05-05 | Basf Ag, 6700 Ludwigshafen | POLYAZO DYES |
| JPH07157477A (en) * | 1993-12-02 | 1995-06-20 | Asahi Kagaku Kogyo Kk | Method for producing thiazole derivative |
| NZ281718A (en) * | 1994-03-11 | 1997-08-22 | Yamanouchi Pharma Co Ltd | Heterocyclically-substituted (condensed) thiazoles |
| CA2144669A1 (en) * | 1994-03-29 | 1995-09-30 | Kozo Akasaka | Biphenyl derivatives |
| GB9517381D0 (en) * | 1995-08-24 | 1995-10-25 | Pharmacia Spa | Aryl and heteroaryl piperazine derivatives |
| DZ3292A1 (en) * | 2001-09-13 | 2005-05-14 | Solvay Pharm Gmbh | Novel 1-[1-(hetero)aryl-1-perhydroxyalkylmethyl]-piperazine compounds, process for their preparation and medicaments containing these compounds |
| US8927546B2 (en) | 2006-02-28 | 2015-01-06 | Dart Neuroscience (Cayman) Ltd. | Therapeutic piperazines |
| EP2562168B1 (en) * | 2006-02-28 | 2014-04-16 | Dart Neuroscience (Cayman) Ltd | Therapeutic piperazines as pde4 inhibitors |
-
1976
- 1976-04-23 GB GB16526/76A patent/GB1575904A/en not_active Expired
-
1977
- 1977-03-28 NZ NZ183715A patent/NZ183715A/en unknown
- 1977-03-28 ZA ZA00771849A patent/ZA771849B/en unknown
- 1977-03-30 IL IL51787A patent/IL51787A/en unknown
- 1977-03-30 CA CA275,160A patent/CA1087617A/en not_active Expired
- 1977-03-30 IE IE671/77A patent/IE44730B1/en unknown
- 1977-04-13 MX MX775629U patent/MX4596E/en unknown
- 1977-04-13 CH CH455777A patent/CH625802A5/en not_active IP Right Cessation
- 1977-04-13 CH CH525781A patent/CH633009A5/en not_active IP Right Cessation
- 1977-04-14 PH PH19656A patent/PH14124A/en unknown
- 1977-04-18 PT PT66452A patent/PT66452B/en unknown
- 1977-04-18 AU AU24386/77A patent/AU514822B2/en not_active Expired
- 1977-04-19 GR GR53236A patent/GR64084B/en unknown
- 1977-04-19 FR FR7711669A patent/FR2348925A1/en active Granted
- 1977-04-20 BG BG036062A patent/BG27746A3/en unknown
- 1977-04-20 ES ES457988A patent/ES457988A1/en not_active Expired
- 1977-04-20 RO RO7790106A patent/RO72831A/en unknown
- 1977-04-20 DE DE19772717415 patent/DE2717415A1/en not_active Withdrawn
- 1977-04-20 OA OA56149A patent/OA05643A/en unknown
- 1977-04-20 SE SE7704536A patent/SE7704536L/en not_active Application Discontinuation
- 1977-04-20 BG BG037191A patent/BG28055A3/en unknown
- 1977-04-21 YU YU01044/77A patent/YU104477A/en unknown
- 1977-04-21 DK DK176177A patent/DK176177A/en not_active Application Discontinuation
- 1977-04-21 CS CS772668A patent/CS196360B2/en unknown
- 1977-04-21 LU LU77170A patent/LU77170A1/xx unknown
- 1977-04-22 DD DD7700198558A patent/DD129790A5/en unknown
- 1977-04-22 NL NL7704456A patent/NL7704456A/en not_active Application Discontinuation
- 1977-04-22 FI FI771287A patent/FI63937C/en not_active IP Right Cessation
- 1977-04-22 NO NO771398A patent/NO146710C/en unknown
- 1977-04-22 PL PL1977197550A patent/PL117466B1/en unknown
- 1977-04-22 SU SU772474105A patent/SU664564A3/en active
- 1977-04-22 BE BE6045977A patent/BE853899A/en not_active IP Right Cessation
- 1977-04-22 AT AT285177A patent/AT355579B/en not_active IP Right Cessation
- 1977-04-22 HU HU77LI311A patent/HU176820B/en unknown
- 1977-04-22 AR AR267310A patent/AR222003A1/en active
- 1977-04-23 JP JP4727677A patent/JPS52151183A/en active Pending
- 1977-12-28 SU SU772558499A patent/SU727146A3/en active
-
1978
- 1978-03-16 ES ES467948A patent/ES467948A1/en not_active Expired
- 1978-03-22 AR AR271519A patent/AR222635A1/en active
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Legal Events
| Date | Code | Title | Description |
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| PL | Patent ceased | ||
| PL | Patent ceased |