CS264295B2 - Process for preparing derivatives of 2-brom-alpha-ergo-cryptine - Google Patents

Process for preparing derivatives of 2-brom-alpha-ergo-cryptine Download PDF

Info

Publication number: CS264295B2
Authority: CS; Czechoslovakia
Prior art keywords: ergocryptine; bromo; halogenated; hydrogen; reaction
Prior art date: 1986-06-27

Application number

CS874791A

Other languages

Czech (cs)

English (en)

Other versions

CS479187A2 (en

Inventor

Gabor Dr Ing Megyeri

Tibor Dr Keve

Lajos Ing Kovacs

Bela Dr Stefko

Erik Ing Bogsch

Anna Kassai

Ferenc Dr Trischler

Gabor Dr Ing Szepesi

Maria Dr Gazdag

Original Assignee

Richter Gedeon Vegyeszet

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1986-06-27

Filing date

1987-06-26

Publication date

1989-06-13

1987-06-26 Application filed by Richter Gedeon Vegyeszet filed Critical Richter Gedeon Vegyeszet

1988-09-16 Publication of CS479187A2 publication Critical patent/CS479187A2/cs

1989-06-13 Publication of CS264295B2 publication Critical patent/CS264295B2/cs

Links

229950001817 alpha-ergocryptine Drugs 0.000 title claims description 17
238000004519 manufacturing process Methods 0.000 title description 4
238000000034 method Methods 0.000 claims abstract description 35
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims abstract description 31
238000005658 halogenation reaction Methods 0.000 claims abstract description 19
230000026030 halogenation Effects 0.000 claims abstract description 17
229960003133 ergot alkaloid Drugs 0.000 claims abstract description 7
239000000203 mixture Substances 0.000 claims description 26
238000002360 preparation method Methods 0.000 claims description 16
239000002253 acid Substances 0.000 claims description 13
YDOTUXAWKBPQJW-UHFFFAOYSA-N alpha-Ergocryptinine Natural products C1=CC(C=2C(N(C)CC(C=2)C(=O)NC2(C(=O)N3C(C(N4CCCC4C3(O)O2)=O)CC(C)C)C(C)C)C2)=C3C2=CNC3=C1 YDOTUXAWKBPQJW-UHFFFAOYSA-N 0.000 claims description 13
150000003839 salts Chemical class 0.000 claims description 13
YDOTUXAWKBPQJW-NSLWYYNWSA-N alpha-ergocryptine Chemical compound C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N[C@]2(C(=O)N3[C@H](C(N4CCC[C@H]4[C@]3(O)O2)=O)CC(C)C)C(C)C)C2)=C3C2=CNC3=C1 YDOTUXAWKBPQJW-NSLWYYNWSA-N 0.000 claims description 11
239000001257 hydrogen Substances 0.000 claims description 11
229910052739 hydrogen Inorganic materials 0.000 claims description 11
CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 claims description 9
IYYIVELXUANFED-UHFFFAOYSA-N bromo(trimethyl)silane Chemical group C[Si](C)(C)Br IYYIVELXUANFED-UHFFFAOYSA-N 0.000 claims description 9
VQPFDLRNOCQMSN-UHFFFAOYSA-N bromosilane Chemical compound Br[SiH3] VQPFDLRNOCQMSN-UHFFFAOYSA-N 0.000 claims description 6
125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 5
239000000126 substance Substances 0.000 claims description 5
229910000042 hydrogen bromide Inorganic materials 0.000 claims description 4
125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 3
125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 3
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
229910052794 bromium Inorganic materials 0.000 claims description 2
125000001246 bromo group Chemical group Br* 0.000 claims description 2
VSCMNSZBNLOXNR-UHFFFAOYSA-N bromo(triphenyl)silane Chemical group C=1C=CC=CC=1[Si](C=1C=CC=CC=1)(Br)C1=CC=CC=C1 VSCMNSZBNLOXNR-UHFFFAOYSA-N 0.000 claims description 2
229910052708 sodium Inorganic materials 0.000 claims 1
239000011734 sodium Substances 0.000 claims 1
229910000039 hydrogen halide Inorganic materials 0.000 abstract description 7
239000012433 hydrogen halide Substances 0.000 abstract description 7
239000003795 chemical substances by application Substances 0.000 abstract description 3
230000002140 halogenating effect Effects 0.000 abstract 1
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 39
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 24
150000001875 compounds Chemical class 0.000 description 21
239000000243 solution Substances 0.000 description 20
238000006243 chemical reaction Methods 0.000 description 18
229960001760 dimethyl sulfoxide Drugs 0.000 description 14
OZVBMTJYIDMWIL-AYFBDAFISA-N bromocriptine Chemical compound C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N[C@]2(C(=O)N3[C@H](C(N4CCC[C@H]4[C@]3(O)O2)=O)CC(C)C)C(C)C)C2)=C3C2=C(Br)NC3=C1 OZVBMTJYIDMWIL-AYFBDAFISA-N 0.000 description 13
229930013930 alkaloid Natural products 0.000 description 12
AWFDCTXCTHGORH-HGHGUNKESA-N 6-[4-[(6ar,9r,10ar)-5-bromo-7-methyl-6,6a,8,9,10,10a-hexahydro-4h-indolo[4,3-fg]quinoline-9-carbonyl]piperazin-1-yl]-1-methylpyridin-2-one Chemical class O=C([C@H]1CN([C@H]2[C@@H](C=3C=CC=C4NC(Br)=C(C=34)C2)C1)C)N(CC1)CCN1C1=CC=CC(=O)N1C AWFDCTXCTHGORH-HGHGUNKESA-N 0.000 description 11
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
150000003797 alkaloid derivatives Chemical class 0.000 description 9
238000005893 bromination reaction Methods 0.000 description 9
239000007858 starting material Substances 0.000 description 9
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 7
230000031709 bromination Effects 0.000 description 7
239000000047 product Substances 0.000 description 7
ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 6
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
NESVMZOPWPCFAU-UHFFFAOYSA-N Ergoclavinine Natural products C1=CC(C=2C(N(C)CC(C=2)C(=O)NC2(C(=O)N3C(C(N4CCCC4C3(O)O2)=O)CC(C)C)C)C2)=C3C2=CNC3=C1 NESVMZOPWPCFAU-UHFFFAOYSA-N 0.000 description 6
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 5
229910052736 halogen Inorganic materials 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 description 4
MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 4
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
125000002252 acyl group Chemical group 0.000 description 4
IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 4
238000006345 epimerization reaction Methods 0.000 description 4
NESVMZOPWPCFAU-ZPRCMDFASA-N ergosine Chemical compound C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N[C@]2(C(=O)N3[C@H](C(N4CCC[C@H]4[C@]3(O)O2)=O)CC(C)C)C)C2)=C3C2=CNC3=C1 NESVMZOPWPCFAU-ZPRCMDFASA-N 0.000 description 4
239000012442 inert solvent Substances 0.000 description 4
229930015720 peptide alkaloid Natural products 0.000 description 4
239000002244 precipitate Substances 0.000 description 4
239000011541 reaction mixture Substances 0.000 description 4
239000002904 solvent Substances 0.000 description 4
238000003756 stirring Methods 0.000 description 4
DAVNRFCJMIONPO-UHFFFAOYSA-N (7-methyl-6,6a,8,10a-tetrahydro-4h-indolo[4,3-fg]quinoline-9-yl)methanol Chemical class C1=CC(C2C=C(CO)CN(C2C2)C)=C3C2=CNC3=C1 DAVNRFCJMIONPO-UHFFFAOYSA-N 0.000 description 3
WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 3
229910019142 PO4 Inorganic materials 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
229960000583 acetic acid Drugs 0.000 description 3
239000013543 active substance Substances 0.000 description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
239000000908 ammonium hydroxide Substances 0.000 description 3
238000004587 chromatography analysis Methods 0.000 description 3
238000004440 column chromatography Methods 0.000 description 3
239000007789 gas Substances 0.000 description 3
150000002431 hydrogen Chemical class 0.000 description 3
-1 hydrogen halides Chemical class 0.000 description 3
239000012074 organic phase Substances 0.000 description 3
239000008194 pharmaceutical composition Substances 0.000 description 3
230000000144 pharmacologic effect Effects 0.000 description 3
239000010452 phosphate Substances 0.000 description 3
PMZURENOXWZQFD-UHFFFAOYSA-L sodium sulphate Substances [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
235000002906 tartaric acid Nutrition 0.000 description 3
239000011975 tartaric acid Substances 0.000 description 3
YDOTUXAWKBPQJW-JJANYQHSSA-N 919k69s85n Chemical compound C1=CC(C=2[C@H](N(C)C[C@H](C=2)C(=O)N[C@]2(C(=O)N3[C@H](C(N4CCC[C@H]4[C@]3(O)O2)=O)CC(C)C)C(C)C)C2)=C3C2=CNC3=C1 YDOTUXAWKBPQJW-JJANYQHSSA-N 0.000 description 2
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
KZMGYPLQYOPHEL-UHFFFAOYSA-N Boron trifluoride etherate Chemical compound FB(F)F.CCOCC KZMGYPLQYOPHEL-UHFFFAOYSA-N 0.000 description 2
HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
230000002378 acidificating effect Effects 0.000 description 2
239000004480 active ingredient Substances 0.000 description 2
229910000147 aluminium phosphate Inorganic materials 0.000 description 2
239000006227 byproduct Substances 0.000 description 2
239000002775 capsule Substances 0.000 description 2
239000000969 carrier Substances 0.000 description 2
DCFKHNIGBAHNSS-UHFFFAOYSA-N chloro(triethyl)silane Chemical compound CC[Si](Cl)(CC)CC DCFKHNIGBAHNSS-UHFFFAOYSA-N 0.000 description 2
238000003776 cleavage reaction Methods 0.000 description 2
NESVMZOPWPCFAU-UGTZLQJCSA-N ergosinine Chemical compound C1=CC(C=2[C@@H](N(C)C[C@@H](C=2)C(=O)N[C@]2(C(=O)N3[C@H](C(N4CCC[C@H]4[C@]3(O)O2)=O)CC(C)C)C)C2)=C3C2=CNC3=C1 NESVMZOPWPCFAU-UGTZLQJCSA-N 0.000 description 2
239000012362 glacial acetic acid Substances 0.000 description 2
IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
229910000041 hydrogen chloride Inorganic materials 0.000 description 2
125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 2
239000005457 ice water Substances 0.000 description 2
239000011261 inert gas Substances 0.000 description 2
239000004615 ingredient Substances 0.000 description 2
238000002955 isolation Methods 0.000 description 2
BIXJFIJYBLJTMK-MEBBXXQBSA-N lysergol Chemical class C1=CC(C2=C[C@@H](CO)CN([C@@H]2C2)C)=C3C2=CNC3=C1 BIXJFIJYBLJTMK-MEBBXXQBSA-N 0.000 description 2
HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
238000002156 mixing Methods 0.000 description 2
239000012452 mother liquor Substances 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
230000007017 scission Effects 0.000 description 2
239000011780 sodium chloride Substances 0.000 description 2
239000007787 solid Substances 0.000 description 2
238000012360 testing method Methods 0.000 description 2
FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
239000005051 trimethylchlorosilane Substances 0.000 description 2
CSRZQMIRAZTJOY-UHFFFAOYSA-N trimethylsilyl iodide Chemical compound C[Si](C)(C)I CSRZQMIRAZTJOY-UHFFFAOYSA-N 0.000 description 2
PFQLMECPCIPLLO-DRHOTACKSA-N α-ergocryptine phosphate Chemical compound OP(O)(O)=O.C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N[C@]2(C(=O)N3[C@H](C(N4CCC[C@H]4[C@]3(O)O2)=O)CC(C)C)C(C)C)C2)=C3C2=CNC3=C1 PFQLMECPCIPLLO-DRHOTACKSA-N 0.000 description 2
DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
GJNCXCPHNRATIQ-UHFFFAOYSA-N 1-bromoazepan-2-one Chemical compound BrN1CCCCCC1=O GJNCXCPHNRATIQ-UHFFFAOYSA-N 0.000 description 1
QRADPXNAURXMSB-UHFFFAOYSA-N 2-bromo-1,1-dioxo-1,2-benzothiazol-3-one Chemical compound C1=CC=C2S(=O)(=O)N(Br)C(=O)C2=C1 QRADPXNAURXMSB-UHFFFAOYSA-N 0.000 description 1
ZHEPNHAJLHOAGI-YHGLXGIHSA-N 2-bromoergosine Chemical compound C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N[C@]2(C(=O)N3[C@H](C(N4CCC[C@H]4[C@]3(O)O2)=O)CC(C)C)C)C2)=C3C2=C(Br)NC3=C1 ZHEPNHAJLHOAGI-YHGLXGIHSA-N 0.000 description 1
MARXMDRWROUXMD-UHFFFAOYSA-N 2-bromoisoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(Br)C(=O)C2=C1 MARXMDRWROUXMD-UHFFFAOYSA-N 0.000 description 1
HRADVHZVMOMEPU-UHFFFAOYSA-N 3-iodopyrrolidine-2,5-dione Chemical compound IC1CC(=O)NC1=O HRADVHZVMOMEPU-UHFFFAOYSA-N 0.000 description 1
ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
244000105624 Arachis hypogaea Species 0.000 description 1
241000283690 Bos taurus Species 0.000 description 1
WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
108010010803 Gelatin Proteins 0.000 description 1
GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 1
240000006240 Linum usitatissimum Species 0.000 description 1
235000004431 Linum usitatissimum Nutrition 0.000 description 1
BIXJFIJYBLJTMK-UHFFFAOYSA-N Lysergol Natural products C1=CC(C2=CC(CO)CN(C2C2)C)=C3C2=CNC3=C1 BIXJFIJYBLJTMK-UHFFFAOYSA-N 0.000 description 1
YSEXMKHXIOCEJA-FVFQAYNVSA-N Nicergoline Chemical class C([C@@H]1C[C@]2([C@H](N(C)C1)CC=1C3=C2C=CC=C3N(C)C=1)OC)OC(=O)C1=CN=CC(Br)=C1 YSEXMKHXIOCEJA-FVFQAYNVSA-N 0.000 description 1
235000019483 Peanut oil Nutrition 0.000 description 1
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
235000021355 Stearic acid Nutrition 0.000 description 1
125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 1
239000003463 adsorbent Substances 0.000 description 1
125000003545 alkoxy group Chemical group 0.000 description 1
125000000217 alkyl group Chemical group 0.000 description 1
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
230000000141 anti-hypoxic effect Effects 0.000 description 1
239000000010 aprotic solvent Substances 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
229910052786 argon Inorganic materials 0.000 description 1
150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
210000004556 brain Anatomy 0.000 description 1
NOJMTMIRQRDZMT-GSPXQYRGSA-N bromocriptine methanesulfonate Chemical compound CS(O)(=O)=O.C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N[C@]2(C(=O)N3[C@H](C(N4CCC[C@H]4[C@]3(O)O2)=O)CC(C)C)C(C)C)C2)=C3C2=C(Br)NC3=C1 NOJMTMIRQRDZMT-GSPXQYRGSA-N 0.000 description 1
GUGRBFQNXVKOGR-UHFFFAOYSA-N butyl hypochlorite Chemical group CCCCOCl GUGRBFQNXVKOGR-UHFFFAOYSA-N 0.000 description 1
QSTXIJDJAODKHL-UHFFFAOYSA-N butyl(iodo)silane Chemical compound C(CCC)[SiH2]I QSTXIJDJAODKHL-UHFFFAOYSA-N 0.000 description 1
125000004432 carbon atom Chemical group C* 0.000 description 1
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
238000005660 chlorination reaction Methods 0.000 description 1
MNKYQPOFRKPUAE-UHFFFAOYSA-N chloro(triphenyl)silane Chemical compound C=1C=CC=CC=1[Si](C=1C=CC=CC=1)(Cl)C1=CC=CC=C1 MNKYQPOFRKPUAE-UHFFFAOYSA-N 0.000 description 1
238000013375 chromatographic separation Methods 0.000 description 1
230000003920 cognitive function Effects 0.000 description 1
238000004040 coloring Methods 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
239000013078 crystal Substances 0.000 description 1
150000004292 cyclic ethers Chemical class 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
WGLUMOCWFMKWIL-UHFFFAOYSA-N dichloromethane;methanol Chemical compound OC.ClCCl WGLUMOCWFMKWIL-UHFFFAOYSA-N 0.000 description 1
239000008298 dragée Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000003995 emulsifying agent Substances 0.000 description 1
238000000605 extraction Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000000706 filtrate Substances 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000008273 gelatin Substances 0.000 description 1
229920000159 gelatin Polymers 0.000 description 1
235000019322 gelatine Nutrition 0.000 description 1
235000011852 gelatine desserts Nutrition 0.000 description 1
239000012456 homogeneous solution Substances 0.000 description 1
XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
229910000043 hydrogen iodide Inorganic materials 0.000 description 1
238000005984 hydrogenation reaction Methods 0.000 description 1
208000031424 hyperprolactinemia Diseases 0.000 description 1
150000002466 imines Chemical class 0.000 description 1
239000003999 initiator Substances 0.000 description 1
239000000543 intermediate Substances 0.000 description 1
230000026045 iodination Effects 0.000 description 1
238000006192 iodination reaction Methods 0.000 description 1
229910052740 iodine Inorganic materials 0.000 description 1
239000011630 iodine Substances 0.000 description 1
NNRANHIFAQDLRA-UHFFFAOYSA-N iodo(triphenyl)silane Chemical compound C=1C=CC=CC=1[Si](C=1C=CC=CC=1)(I)C1=CC=CC=C1 NNRANHIFAQDLRA-UHFFFAOYSA-N 0.000 description 1
239000008101 lactose Substances 0.000 description 1
239000007788 liquid Substances 0.000 description 1
235000019359 magnesium stearate Nutrition 0.000 description 1
229910052943 magnesium sulfate Inorganic materials 0.000 description 1
235000019341 magnesium sulphate Nutrition 0.000 description 1
239000000463 material Substances 0.000 description 1
229940098779 methanesulfonic acid Drugs 0.000 description 1
125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 1
125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
239000003176 neuroleptic agent Substances 0.000 description 1
230000000701 neuroleptic effect Effects 0.000 description 1
239000012454 non-polar solvent Substances 0.000 description 1
231100000252 nontoxic Toxicity 0.000 description 1
230000003000 nontoxic effect Effects 0.000 description 1
QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
239000004006 olive oil Substances 0.000 description 1
235000008390 olive oil Nutrition 0.000 description 1
239000003960 organic solvent Substances 0.000 description 1
235000006408 oxalic acid Nutrition 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
238000007911 parenteral administration Methods 0.000 description 1
239000000312 peanut oil Substances 0.000 description 1
235000010987 pectin Nutrition 0.000 description 1
239000001814 pectin Substances 0.000 description 1
229920001277 pectin Polymers 0.000 description 1
239000012071 phase Substances 0.000 description 1
239000006187 pill Substances 0.000 description 1
239000003755 preservative agent Substances 0.000 description 1
238000000746 purification Methods 0.000 description 1
UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
WWKUMKJLPJGKHU-UHFFFAOYSA-N pyrrolidin-2-one;trihydrobromide Chemical compound Br.Br.Br.O=C1CCCN1 WWKUMKJLPJGKHU-UHFFFAOYSA-N 0.000 description 1
150000003254 radicals Chemical class 0.000 description 1
239000012429 reaction media Substances 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
238000001953 recrystallisation Methods 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000012216 screening Methods 0.000 description 1
238000007086 side reaction Methods 0.000 description 1
239000000741 silica gel Substances 0.000 description 1
229910002027 silica gel Inorganic materials 0.000 description 1
235000017557 sodium bicarbonate Nutrition 0.000 description 1
229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
239000008247 solid mixture Substances 0.000 description 1
239000003381 stabilizer Substances 0.000 description 1
239000008107 starch Substances 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
239000008117 stearic acid Substances 0.000 description 1
230000001954 sterilising effect Effects 0.000 description 1
238000004659 sterilization and disinfection Methods 0.000 description 1
150000003431 steroids Chemical class 0.000 description 1
239000000829 suppository Substances 0.000 description 1
239000003826 tablet Substances 0.000 description 1
239000000454 talc Substances 0.000 description 1
235000012222 talc Nutrition 0.000 description 1
229910052623 talc Inorganic materials 0.000 description 1
YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
238000004809 thin layer chromatography Methods 0.000 description 1
JSQJUDVTRRCSRU-UHFFFAOYSA-N tributyl(chloro)silane Chemical compound CCCC[Si](Cl)(CCCC)CCCC JSQJUDVTRRCSRU-UHFFFAOYSA-N 0.000 description 1
235000015112 vegetable and seed oil Nutrition 0.000 description 1
239000008158 vegetable oil Substances 0.000 description 1
239000000080 wetting agent Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D457/00—Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:, e.g. lysergic acid
- C07D457/04—Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:, e.g. lysergic acid with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 8
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D457/00—Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:, e.g. lysergic acid
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D457/00—Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:, e.g. lysergic acid
- C07D457/02—Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:, e.g. lysergic acid with hydrocarbon or substituted hydrocarbon radicals, attached in position 8
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
- C07D519/02—Ergot alkaloids of the cyclic peptide type

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Nitrogen Condensed Heterocyclic Rings (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

CS874791A 1986-06-27 1987-06-26 Process for preparing derivatives of 2-brom-alpha-ergo-cryptine CS264295B2 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
HU862690A HU196394B (en)	1986-06-27	1986-06-27	Process for preparing 2-halogenated ergoline derivatives

Publications (2)

Publication Number	Publication Date
CS479187A2 CS479187A2 (en)	1988-09-16
CS264295B2 true CS264295B2 (en)	1989-06-13

Family

ID=10960659

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CS874791A CS264295B2 (en)	1986-06-27	1987-06-26	Process for preparing derivatives of 2-brom-alpha-ergo-cryptine

Country Status (19)

Country	Link
US (1)	US4816587A (de)
EP (1)	EP0251732B1 (de)
JP (1)	JPH085879B2 (de)
AR (1)	AR243194A1 (de)
AT (1)	ATE88705T1 (de)
AU (1)	AU597673B2 (de)
BG (1)	BG48811A3 (de)
CA (1)	CA1301163C (de)
CS (1)	CS264295B2 (de)
DD (1)	DD264430A5 (de)
DE (1)	DE3785613T2 (de)
DK (1)	DK328687A (de)
ES (1)	ES2054672T3 (de)
FI (1)	FI89048C (de)
HU (1)	HU196394B (de)
PL (1)	PL151562B1 (de)
SU (1)	SU1528320A3 (de)
UA (1)	UA5571A1 (de)
YU (1)	YU46557B (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
HU196598B (en) *	1986-04-25	1988-12-28	Richter Gedeon Vegyeszet	Process for producing 1- and/or 8-substituted 2-halogenated ergoline derivatives and pharmaceutics comprising such compounds
DE4033496A1 (de) *	1990-10-20	1992-04-23	Sandoz Ag	Neue ergolinderivate, ihre herstellung und verwendung
CA2153692C (en) *	1993-01-12	2011-11-08	Roy R. Lobb	Recombinant anti-vla4 antibody molecules
US20030157642A1 (en) *	1997-07-15	2003-08-21	Caldwell Robert M.	Increasing production of proteins in gram-positive microorganisms
US6723550B1 (en)	1997-07-15	2004-04-20	Genencor International, Inc.	Proteases from gram-positive organisms
US6521421B1 (en) *	1997-07-16	2003-02-18	Genencor International, Inc.	Expression vectors encoding Bacillus subtilis disulfide bond isomerase and methods of secreting proteins in gram-positive microorganisms using the same
US6521440B1 (en)	1997-09-15	2003-02-18	Genencor International, Inc.	Proteases from gram-positive organisms
US6316241B1 (en) *	1997-11-20	2001-11-13	Genencor International, Inc.	Alpha/beta hydrolase-fold enzymes
FR2786099B1 (fr) *	1998-11-24	2000-12-29	Aventis Laboratoire	Nouvelle application therapeutique de la 1,6-dimethyl-8beta- hydroxymethyl-10alpha-methoxyergoline
US20050176629A1 (en) *	2001-03-13	2005-08-11	Andrews William H.	Telomerase expression repressor proteins and methods of using the same
EP2295064B1 (de)	2001-03-15	2017-02-22	Precision Biologics, Inc.	Behandlung von bauchspeicheldrüsenkrebs mit einem monoklonalen antikörper
EP2023141B1 (de)	2001-07-02	2014-04-09	Sekisui Medical Co., Ltd.	Testreagenz enthaltend Latex-Trägerpartikel
CA2478458A1 (en) *	2004-08-20	2006-02-20	Michael Panzara	Treatment of pediatric multiple sclerosis
RU2274640C1 (ru) *	2004-09-15	2006-04-20	Всероссийский научно-исследовательский институт лекарственных и ароматических растений ("ВИЛАР")	СПОСОБ БРОМИРОВАНИЯ α И β-ЭРГОКРИПТИНОВ
HUE050858T2 (hu)	2010-04-16	2021-01-28	Biogen Ma Inc	VLA-4 ellenes antitestek
JP5843852B2 (ja)	2010-06-11	2016-01-13	ビーエーエスエフソシエタス・ヨーロピアＢａｓｆＳｅ	有機添加剤を有する、レーザーに対して透過性のポリブチレンテレフタレート
US8889768B2 (en)	2010-06-11	2014-11-18	Basf Se	Laser-transparent PBT with organic additives
CN105560244B (zh) *	2014-10-10	2019-01-11	上海交通大学	一种γ-分泌酶抑制剂及其应用
ES2848376T3 (es)	2014-11-19	2021-08-09	Axon Neuroscience Se	Anticuerpos de tau humanizados en la enfermedad de Alzheimer
US10994271B2 (en)	2016-06-14	2021-05-04	Denka Company Limited	Membrane carrier for liquid sample test kit, liquid sample test kit, and method for producing liquid sample test kit
EP3605099B1 (de)	2017-03-28	2022-03-09	Denka Company Limited	Membranträger, testkit einer flüssigen probe damit und herstellungsverfahren dafür
CN115453112B (zh)	2017-03-28	2025-09-09	电化株式会社	膜载体和使用其的液体试样检测试剂盒
KR102848349B1 (ko)	2018-06-04	2025-08-21	바이오젠 엠에이 인코포레이티드	감소된 효과기 기능을 갖는 항-ｖｌａ-4 항체
KR20250028260A (ko) *	2022-05-12	2025-02-28	더 플로리다 스테이트 유니버시티 리서치 파운데이션, 인크	리세르그산 유도체 및 방법
US20240228479A1 (en) *	2022-12-31	2024-07-11	Ceruvia Lifesciences Llc	Process for synthesizing 2-bromolysergic acid diethylamide via controlled bromination of lysergic acid

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Publication number	Priority date	Publication date	Assignee	Title
US3901894A (en) *	1974-06-06	1975-08-26	Lilly Co Eli	8-thiomethylergolines
US3992422A (en) *	1975-08-14	1976-11-16	Schering Corporation	Process for the preparation of 21-halogeno-21-desoxy-17α-acyloxy-20-keto-pregnenes
US4098790A (en) *	1976-09-15	1978-07-04	Eli Lilly And Company	Ergoline chlorination process
YU216177A (en) *	1977-09-09	1984-02-29	Rudolf Rucman	Process for preparing 2-bromo ergosine
US4166182A (en) *	1978-02-08	1979-08-28	Eli Lilly And Company	6-n-propyl-8-methoxymethyl or methylmercaptomethylergolines and related compounds
YU39849B (en) *	1978-09-26	1985-04-30	Lek Tovarna Farmacevtskih	Process for preparing 2-bromo-ergolene and 2-bromo-ergoline compounds
HU193317B (en) *	1985-06-12	1987-09-28	Richter Gedeon Vegyeszet	Process for producing 2-bromo-alpha-ergochristin
HU193782B (en) *	1985-06-21	1987-11-30	Richter Gedeon Vegyeszet	Process for producing 2-halogeno-nicergoline derivatives and acid additional salts thereof
HU193780B (en) *	1985-06-21	1987-11-30	Richter Gedeon Vegyeszet	Process for producing 2-halogeno-6-methyl-ergol-9-ene derivatives and acid additional salts thereof
HU196598B (en) *	1986-04-25	1988-12-28	Richter Gedeon Vegyeszet	Process for producing 1- and/or 8-substituted 2-halogenated ergoline derivatives and pharmaceutics comprising such compounds

1986
- 1986-06-27 HU HU862690A patent/HU196394B/hu not_active IP Right Cessation
1987
- 1987-06-05 US US07/058,576 patent/US4816587A/en not_active Expired - Fee Related
- 1987-06-25 YU YU119987A patent/YU46557B/sh unknown
- 1987-06-26 DD DD87304197A patent/DD264430A5/de not_active IP Right Cessation
- 1987-06-26 AU AU74763/87A patent/AU597673B2/en not_active Ceased
- 1987-06-26 AT AT87305716T patent/ATE88705T1/de not_active IP Right Cessation
- 1987-06-26 SU SU874202820A patent/SU1528320A3/ru active
- 1987-06-26 JP JP62157949A patent/JPH085879B2/ja not_active Expired - Lifetime
- 1987-06-26 PL PL1987266477A patent/PL151562B1/pl unknown
- 1987-06-26 DK DK328687A patent/DK328687A/da not_active Application Discontinuation
- 1987-06-26 AR AR87307983A patent/AR243194A1/es active
- 1987-06-26 CS CS874791A patent/CS264295B2/cs unknown
- 1987-06-26 BG BG080325A patent/BG48811A3/xx unknown
- 1987-06-26 FI FI872852A patent/FI89048C/fi not_active IP Right Cessation
- 1987-06-26 UA UA4202820A patent/UA5571A1/uk unknown
- 1987-06-26 EP EP87305716A patent/EP0251732B1/de not_active Expired - Lifetime
- 1987-06-26 CA CA000540700A patent/CA1301163C/en not_active Expired - Lifetime
- 1987-06-26 ES ES87305716T patent/ES2054672T3/es not_active Expired - Lifetime
- 1987-06-26 DE DE8787305716T patent/DE3785613T2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
ATE88705T1 (de)	1993-05-15
HU196394B (en)	1988-11-28
EP0251732B1 (de)	1993-04-28
US4816587A (en)	1989-03-28
YU46557B (sh)	1993-11-16
JPS6314783A (ja)	1988-01-21
DD264430A5 (de)	1989-02-01
ES2054672T3 (es)	1994-08-16
CA1301163C (en)	1992-05-19
DE3785613D1 (de)	1993-06-03
EP0251732A3 (en)	1989-05-10
UA5571A1 (uk)	1994-12-28
BG48811A3 (bg)	1991-05-15
DE3785613T2 (de)	1993-08-12
PL266477A1 (en)	1988-07-21
AU597673B2 (en)	1990-06-07
SU1528320A3 (ru)	1989-12-07
FI89048B (fi)	1993-04-30
PL151562B1 (en)	1990-09-28
FI872852L (fi)	1987-12-28
DK328687A (da)	1987-12-28
CS479187A2 (en)	1988-09-16
FI872852A0 (fi)	1987-06-26
EP0251732A2 (de)	1988-01-07
AU7476387A (en)	1988-01-07
YU119987A (en)	1988-06-30
AR243194A1 (es)	1993-07-30
HUT44541A (en)	1988-03-28
DK328687D0 (da)	1987-06-26
JPH085879B2 (ja)	1996-01-24
FI89048C (fi)	1993-08-10

Publication	Publication Date	Title
CS264295B2 (en)	1989-06-13	Process for preparing derivatives of 2-brom-alpha-ergo-cryptine
Sundberg et al.	1981	Diels-Alder adducts of 1-benzenesulfonylindole-2-acrylates and 1-(alkoxycarbonyl)-1, 2-dihydropyridines. Intermediates for synthesis of iboga alkaloid analogs
KR900000887B1 (ko)	1990-02-17	질산염 유도체의 제조방법
US4970314A (en)	1990-11-13	Process for the preparation of 2-bromo-8-ergolinyl compounds
US4299836A (en)	1981-11-10	Novel ergol-8-ene and ergolin compounds and process for preparing same
US4843073A (en)	1989-06-27	1-t-butyl ergolines useful in the treatment of cerebral insufficiency and senile dementia
HU193780B (en)	1987-11-30	Process for producing 2-halogeno-6-methyl-ergol-9-ene derivatives and acid additional salts thereof
JPS61286390A (ja)	1986-12-16	２−ブロモ−α−エルゴクリプチンの製造方法
AU592637B2 (en)	1990-01-18	Novel ergolene derivatives, pharmaceutical compositions containing them and process for preparing same
CS215027B2 (en)	1982-06-25	Method of preparation of 2-bromergot alcaloids
US6022980A (en)	2000-02-08	Preparation of 4-halo and 6-halomelatonins
HU193781B (en)	1987-11-30	Process for producing 10alpha-methoxy-6-methylergoline derivatives and acid additional salts thereof
SI8711199A8 (sl)	1996-10-31	Postopek za pripravo 2-halogeniranih ergolinovih derivatov
CS207577B2 (cs)	1981-08-31	Způsob výroby derivátů kyseliny 2-(2-amino-4-thiazolyl)octové
EP0054892A1 (de)	1982-06-30	Synthese von Indolinen
CZ9902150A3 (cs)	2001-01-17	Způsob přípravy 8ß-methylthiomethyl derivátů ergolinu
CS272370B1 (en)	1991-01-15	Method of ergoline compounds preparation that are position-substituted by 2-bromine
CS219419B1 (cs)	1983-03-25	Způsob čištění alkaloidů ergotoxinové skupiny od laktamových alkaloidů
CS247570B1 (cs)	1987-01-15	Způsob přípravy N, alkylovaných derivátů dihydrolysergolu