SK31399A3 - Processes and intermediates for preparing substituted chromanol derivatives - Google Patents

Processes and intermediates for preparing substituted chromanol derivatives Download PDF

Info

Publication number: SK31399A3
Authority: SK; Slovakia
Prior art keywords: alkyl; formula; compound; phenyl; group
Prior art date: 1996-09-16

Application number

SK313-99A

Other languages

English (en)

Slovak (sk)

Inventor

Anthony D Piscopio

Joel M Hawkins

Stephane Caron

Sarah E Kelly

Jeffrey W Raggon

Michael J Castaldi

Robert W Dugger

Sally G Ruggeri

Original Assignee

Pfizer

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.)

1996-09-16

Filing date

1997-08-25

Publication date

2000-05-16

1997-08-25 Application filed by Pfizer filed Critical Pfizer

2000-05-16 Publication of SK31399A3 publication Critical patent/SK31399A3/sk

Links

238000000034 method Methods 0.000 title claims abstract description 63
SEBPXHSZHLFWRL-UHFFFAOYSA-N 3,4-dihydro-2,2,5,7,8-pentamethyl-2h-1-benzopyran-6-ol Chemical class O1C(C)(C)CCC2=C1C(C)=C(C)C(O)=C2C SEBPXHSZHLFWRL-UHFFFAOYSA-N 0.000 title claims description 16
239000000543 intermediate Substances 0.000 title abstract description 3
150000001875 compounds Chemical class 0.000 claims abstract description 217
238000002360 preparation method Methods 0.000 claims abstract description 31
WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid group Chemical group C(C1=CC=CC=C1)(=O)O WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims abstract description 5
-1 phenylsulfinyl Chemical group 0.000 claims description 67
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 55
125000000217 alkyl group Chemical group 0.000 claims description 52
229910052739 hydrogen Inorganic materials 0.000 claims description 36
HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 claims description 33
239000001257 hydrogen Substances 0.000 claims description 33
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 31
238000006243 chemical reaction Methods 0.000 claims description 26
125000001153 fluoro group Chemical group F* 0.000 claims description 26
125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 claims description 25
125000004432 carbon atom Chemical group C* 0.000 claims description 24
125000001424 substituent group Chemical group 0.000 claims description 22
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 19
125000003118 aryl group Chemical group 0.000 claims description 19
229910052757 nitrogen Inorganic materials 0.000 claims description 19
229910052736 halogen Inorganic materials 0.000 claims description 17
239000002253 acid Substances 0.000 claims description 16
125000005843 halogen group Chemical group 0.000 claims description 16
125000003545 alkoxy group Chemical group 0.000 claims description 15
150000002431 hydrogen Chemical class 0.000 claims description 13
125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 12
ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical group [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 12
229910052799 carbon Inorganic materials 0.000 claims description 11
125000001309 chloro group Chemical group Cl* 0.000 claims description 11
239000000460 chlorine Substances 0.000 claims description 10
229910052763 palladium Inorganic materials 0.000 claims description 10
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
239000003054 catalyst Substances 0.000 claims description 9
150000004673 fluoride salts Chemical class 0.000 claims description 9
150000002367 halogens Chemical class 0.000 claims description 9
125000001072 heteroaryl group Chemical group 0.000 claims description 9
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 7
229910052796 boron Inorganic materials 0.000 claims description 7
229910052801 chlorine Inorganic materials 0.000 claims description 7
125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 7
239000010936 titanium Substances 0.000 claims description 7
229910052719 titanium Inorganic materials 0.000 claims description 7
239000003795 chemical substances by application Substances 0.000 claims description 6
239000003446 ligand Substances 0.000 claims description 6
238000004519 manufacturing process Methods 0.000 claims description 6
150000001408 amides Chemical class 0.000 claims description 5
239000003638 chemical reducing agent Substances 0.000 claims description 5
229910052751 metal Inorganic materials 0.000 claims description 5
239000002184 metal Substances 0.000 claims description 5
BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 4
125000003342 alkenyl group Chemical group 0.000 claims description 4
125000005620 boronic acid group Chemical group 0.000 claims description 4
238000005271 boronizing Methods 0.000 claims description 4
230000003301 hydrolyzing effect Effects 0.000 claims description 4
150000003335 secondary amines Chemical class 0.000 claims description 4
125000004429 atom Chemical group 0.000 claims description 3
150000001879 copper Chemical class 0.000 claims description 3
150000004678 hydrides Chemical class 0.000 claims description 3
229910052727 yttrium Inorganic materials 0.000 claims description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 2
125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims 8
125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 claims 6
GVGLGOZIDCSQPN-PVHGPHFFSA-N Heroin Chemical compound O([C@H]1[C@H](C=C[C@H]23)OC(C)=O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4OC(C)=O GVGLGOZIDCSQPN-PVHGPHFFSA-N 0.000 claims 5
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 3
125000005842 heteroatom Chemical group 0.000 claims 3
GBXQPDCOMJJCMJ-UHFFFAOYSA-M trimethyl-[6-(trimethylazaniumyl)hexyl]azanium;bromide Chemical compound [Br-].C[N+](C)(C)CCCCCC[N+](C)(C)C GBXQPDCOMJJCMJ-UHFFFAOYSA-M 0.000 claims 2
125000004178 (C1-C4) alkyl group Chemical group 0.000 claims 1
125000000229 (C1-C4)alkoxy group Chemical group 0.000 claims 1
125000001313 C5-C10 heteroaryl group Chemical group 0.000 claims 1
125000000041 C6-C10 aryl group Chemical group 0.000 claims 1
150000001559 benzoic acids Chemical group 0.000 claims 1
125000004446 heteroarylalkyl group Chemical group 0.000 claims 1
LOTBYPQQWICYBB-UHFFFAOYSA-N methyl n-hexyl-n-[2-(hexylamino)ethyl]carbamate Chemical compound CCCCCCNCCN(C(=O)OC)CCCCCC LOTBYPQQWICYBB-UHFFFAOYSA-N 0.000 claims 1
125000005010 perfluoroalkyl group Chemical group 0.000 claims 1
125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 claims 1
VZWXIQHBIQLMPN-UHFFFAOYSA-N chromane Chemical group C1=CC=C2CCCOC2=C1 VZWXIQHBIQLMPN-UHFFFAOYSA-N 0.000 abstract description 2
XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 96
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 80
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 60
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 40
WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 40
239000000243 solution Substances 0.000 description 40
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 39
239000011541 reaction mixture Substances 0.000 description 39
239000000203 mixture Substances 0.000 description 37
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 30
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 28
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 27
ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical group CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 27
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 22
ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 20
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 20
239000007787 solid Substances 0.000 description 20
YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 19
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 18
239000012044 organic layer Substances 0.000 description 18
238000010992 reflux Methods 0.000 description 17
KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 15
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 14
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 14
ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 description 13
239000010410 layer Substances 0.000 description 13
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 12
239000002904 solvent Substances 0.000 description 12
150000002148 esters Chemical class 0.000 description 11
229910052943 magnesium sulfate Inorganic materials 0.000 description 11
235000019341 magnesium sulphate Nutrition 0.000 description 11
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 10
239000000706 filtrate Substances 0.000 description 10
NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical group [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 10
229910000029 sodium carbonate Inorganic materials 0.000 description 10
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
150000001299 aldehydes Chemical class 0.000 description 9
HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 9
229920006395 saturated elastomer Polymers 0.000 description 9
239000000725 suspension Substances 0.000 description 9
BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 8
229910052744 lithium Inorganic materials 0.000 description 8
RXNUIXXNFDJYCP-BLLLJJGKSA-N (3s,4r)-3-benzyl-7-bromo-3,4-dihydro-2h-chromen-4-ol Chemical compound C([C@@H]1[C@H](C2=CC=C(Br)C=C2OC1)O)C1=CC=CC=C1 RXNUIXXNFDJYCP-BLLLJJGKSA-N 0.000 description 7
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 7
239000011260 aqueous acid Substances 0.000 description 7
238000001914 filtration Methods 0.000 description 7
NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 7
239000012453 solvate Substances 0.000 description 7
HSJKGGMUJITCBW-UHFFFAOYSA-N 3-hydroxybutanal Chemical compound CC(O)CC=O HSJKGGMUJITCBW-UHFFFAOYSA-N 0.000 description 6
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 6
MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 6
IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 6
XJHCXCQVJFPJIK-UHFFFAOYSA-M caesium fluoride Chemical group [F-].[Cs+] XJHCXCQVJFPJIK-UHFFFAOYSA-M 0.000 description 6
150000001732 carboxylic acid derivatives Chemical class 0.000 description 6
239000012043 crude product Substances 0.000 description 6
ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 description 6
235000017557 sodium bicarbonate Nutrition 0.000 description 6
229910000030 sodium bicarbonate Inorganic materials 0.000 description 6
238000003756 stirring Methods 0.000 description 6
FPGGTKZVZWFYPV-UHFFFAOYSA-M tetrabutylammonium fluoride Chemical compound [F-].CCCC[N+](CCCC)(CCCC)CCCC FPGGTKZVZWFYPV-UHFFFAOYSA-M 0.000 description 6
238000004809 thin layer chromatography Methods 0.000 description 6
150000003609 titanium compounds Chemical class 0.000 description 6
UPCARQPLANFGQJ-UHFFFAOYSA-N 4-bromo-2-fluorobenzaldehyde Chemical compound FC1=CC(Br)=CC=C1C=O UPCARQPLANFGQJ-UHFFFAOYSA-N 0.000 description 5
ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 5
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 5
239000012267 brine Substances 0.000 description 5
FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 5
229910000024 caesium carbonate Inorganic materials 0.000 description 5
239000011630 iodine Chemical group 0.000 description 5
229910052740 iodine Chemical group 0.000 description 5
239000003960 organic solvent Substances 0.000 description 5
239000011698 potassium fluoride Chemical group 0.000 description 5
235000003270 potassium fluoride Nutrition 0.000 description 5
LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical group [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 5
239000000741 silica gel Substances 0.000 description 5
229910002027 silica gel Inorganic materials 0.000 description 5
239000011780 sodium chloride Substances 0.000 description 5
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 5
XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical group Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 5
CDSPCWKYSYEPMH-QGZVFWFLSA-N (4r)-4-benzyl-3-(3-phenylpropanoyl)-1,3-oxazolidin-2-one Chemical compound C([C@H]1CC=2C=CC=CC=2)OC(=O)N1C(=O)CCC1=CC=CC=C1 CDSPCWKYSYEPMH-QGZVFWFLSA-N 0.000 description 4
MWLUXIMHLPCFRZ-UHFFFAOYSA-N 2,2-dimethylpropyl 4-(trifluoromethyl)benzoate Chemical compound CC(C)(C)COC(=O)C1=CC=C(C(F)(F)F)C=C1 MWLUXIMHLPCFRZ-UHFFFAOYSA-N 0.000 description 4
IZXIZTKNFFYFOF-UHFFFAOYSA-N 2-Oxazolidone Chemical compound O=C1NCCO1 IZXIZTKNFFYFOF-UHFFFAOYSA-N 0.000 description 4
WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
UWTDFICHZKXYAC-UHFFFAOYSA-N boron;oxolane Chemical compound [B].C1CCOC1 UWTDFICHZKXYAC-UHFFFAOYSA-N 0.000 description 4
230000008878 coupling Effects 0.000 description 4
238000010168 coupling process Methods 0.000 description 4
238000005859 coupling reaction Methods 0.000 description 4
239000000284 extract Substances 0.000 description 4
QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 4
239000000047 product Substances 0.000 description 4
150000003512 tertiary amines Chemical class 0.000 description 4
WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 4
LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical group [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 4
CYPYTURSJDMMMP-WVCUSYJESA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 CYPYTURSJDMMMP-WVCUSYJESA-N 0.000 description 3
NZQDWKCNBOELAI-KSFYIVLOSA-N 2-[(3s,4r)-3-benzyl-4-hydroxy-3,4-dihydro-2h-chromen-7-yl]-4-(trifluoromethyl)benzoic acid Chemical compound C([C@@H]1[C@H](C2=CC=C(C=C2OC1)C=1C(=CC=C(C=1)C(F)(F)F)C(O)=O)O)C1=CC=CC=C1 NZQDWKCNBOELAI-KSFYIVLOSA-N 0.000 description 3
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 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 description 3
WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 3
UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 3
XRKIHUXCUIFHAS-UHFFFAOYSA-N [4-(3-methoxy-3-oxopropyl)phenyl]boronic acid Chemical compound COC(=O)CCC1=CC=C(B(O)O)C=C1 XRKIHUXCUIFHAS-UHFFFAOYSA-N 0.000 description 3
TWKVUTXHANJYGH-UHFFFAOYSA-L allyl palladium chloride Chemical compound Cl[Pd]CC=C.Cl[Pd]CC=C TWKVUTXHANJYGH-UHFFFAOYSA-L 0.000 description 3
235000019270 ammonium chloride Nutrition 0.000 description 3
239000000010 aprotic solvent Substances 0.000 description 3
RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 3
229910001863 barium hydroxide Inorganic materials 0.000 description 3
YNHIGQDRGKUECZ-UHFFFAOYSA-L bis(triphenylphosphine)palladium(ii) dichloride Chemical compound [Cl-].[Cl-].[Pd+2].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 YNHIGQDRGKUECZ-UHFFFAOYSA-L 0.000 description 3
GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
229910052794 bromium Inorganic materials 0.000 description 3
125000001246 bromo group Chemical group Br* 0.000 description 3
239000012141 concentrate Substances 0.000 description 3
MVLMPMUGCWJDLE-UHFFFAOYSA-M dibutylboron trifluoromethanesulfonate Chemical compound [O-]S(=O)(=O)C(F)(F)F.CCCC[B+]CCCC MVLMPMUGCWJDLE-UHFFFAOYSA-M 0.000 description 3
239000011737 fluorine Substances 0.000 description 3
229910052731 fluorine Inorganic materials 0.000 description 3
239000006260 foam Substances 0.000 description 3
125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
239000011777 magnesium Substances 0.000 description 3
229910052749 magnesium Inorganic materials 0.000 description 3
DVSDBMFJEQPWNO-UHFFFAOYSA-N methyllithium Chemical compound C[Li] DVSDBMFJEQPWNO-UHFFFAOYSA-N 0.000 description 3
239000012452 mother liquor Substances 0.000 description 3
YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 3
229910052700 potassium Inorganic materials 0.000 description 3
239000011591 potassium Substances 0.000 description 3
229910052708 sodium Inorganic materials 0.000 description 3
239000011734 sodium Substances 0.000 description 3
BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 3
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OJOFMLDBXPDXLQ-SECBINFHSA-N (4r)-4-benzyl-1,3-oxazolidin-2-one Chemical compound C1OC(=O)N[C@@H]1CC1=CC=CC=C1 OJOFMLDBXPDXLQ-SECBINFHSA-N 0.000 description 2
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JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 2
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FKFFRSYPSCAHAE-UHFFFAOYSA-N [2-(2,2-dimethylpropoxycarbonyl)-5-(trifluoromethyl)phenyl]boronic acid Chemical compound CC(C)(C)COC(=O)C1=CC=C(C(F)(F)F)C=C1B(O)O FKFFRSYPSCAHAE-UHFFFAOYSA-N 0.000 description 2
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239000002244 precipitate Substances 0.000 description 2
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MIOPJNTWMNEORI-GMSGAONNSA-N (S)-camphorsulfonic acid Chemical compound C1C[C@@]2(CS(O)(=O)=O)C(=O)C[C@@H]1C2(C)C MIOPJNTWMNEORI-GMSGAONNSA-N 0.000 description 1
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IPGNDTXREOIPTM-RXFWQSSRSA-N 2,2-dimethylpropyl 2-[(3s,4r)-3-benzyl-4-hydroxy-3,4-dihydro-2h-chromen-7-yl]-4-(trifluoromethyl)benzoate Chemical compound CC(C)(C)COC(=O)C1=CC=C(C(F)(F)F)C=C1C1=CC=C([C@H](O)[C@@H](CC=2C=CC=CC=2)CO2)C2=C1 IPGNDTXREOIPTM-RXFWQSSRSA-N 0.000 description 1
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125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
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125000004176 4-fluorobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1F)C([H])([H])* 0.000 description 1
208000002874 Acne Vulgaris Diseases 0.000 description 1
208000023275 Autoimmune disease Diseases 0.000 description 1
ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical group N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 description 1
CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
239000004215 Carbon black (E152) Substances 0.000 description 1
201000004624 Dermatitis Diseases 0.000 description 1
XBPCUCUWBYBCDP-UHFFFAOYSA-N Dicyclohexylamine Chemical compound C1CCCCC1NC1CCCCC1 XBPCUCUWBYBCDP-UHFFFAOYSA-N 0.000 description 1
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238000006521 Evans Aldol reaction Methods 0.000 description 1
108010010369 HIV Protease Proteins 0.000 description 1
208000022559 Inflammatory bowel disease Diseases 0.000 description 1
239000012448 Lithium borohydride Substances 0.000 description 1
WYNCHZVNFNFDNH-UHFFFAOYSA-N Oxazolidine Chemical compound C1COCN1 WYNCHZVNFNFDNH-UHFFFAOYSA-N 0.000 description 1
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208000003251 Pruritus Diseases 0.000 description 1
201000004681 Psoriasis Diseases 0.000 description 1
101000650578 Salmonella phage P22 Regulatory protein C3 Proteins 0.000 description 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
208000006011 Stroke Diseases 0.000 description 1
238000006069 Suzuki reaction reaction Methods 0.000 description 1
206010052779 Transplant rejections Diseases 0.000 description 1
101001040920 Triticum aestivum Alpha-amylase inhibitor 0.28 Proteins 0.000 description 1
CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical group [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 description 1
KOOADCGQJDGAGA-UHFFFAOYSA-N [amino(dimethyl)silyl]methane Chemical compound C[Si](C)(C)N KOOADCGQJDGAGA-UHFFFAOYSA-N 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
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230000001476 alcoholic effect Effects 0.000 description 1
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238000005575 aldol reaction Methods 0.000 description 1
239000008346 aqueous phase Substances 0.000 description 1
125000006615 aromatic heterocyclic group Chemical group 0.000 description 1
150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
238000007080 aromatic substitution reaction Methods 0.000 description 1
150000001502 aryl halides Chemical class 0.000 description 1
208000006673 asthma Diseases 0.000 description 1
208000010668 atopic eczema Diseases 0.000 description 1
150000003935 benzaldehydes Chemical class 0.000 description 1
150000001558 benzoic acid derivatives Chemical group 0.000 description 1
150000005347 biaryls Chemical group 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
150000001639 boron compounds Chemical class 0.000 description 1
239000000872 buffer Substances 0.000 description 1
239000007853 buffer solution Substances 0.000 description 1
125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
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239000003518 caustics Substances 0.000 description 1
150000001804 chlorine Chemical class 0.000 description 1
238000004587 chromatography analysis Methods 0.000 description 1
125000004122 cyclic group Chemical group 0.000 description 1
150000004985 diamines Chemical group 0.000 description 1
201000010099 disease Diseases 0.000 description 1
208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
239000003814 drug Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
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238000010931 ester hydrolysis Methods 0.000 description 1
230000032050 esterification Effects 0.000 description 1
238000005886 esterification reaction Methods 0.000 description 1
IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
125000004494 ethyl ester group Chemical group 0.000 description 1
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
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239000012530 fluid Substances 0.000 description 1
125000002541 furyl group Chemical group 0.000 description 1
239000008187 granular material Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
RBBOWEDMXHTEPA-UHFFFAOYSA-N hexane;toluene Chemical compound CCCCCC.CC1=CC=CC=C1 RBBOWEDMXHTEPA-UHFFFAOYSA-N 0.000 description 1
238000004128 high performance liquid chromatography Methods 0.000 description 1
239000004030 hiv protease inhibitor Substances 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
239000012535 impurity Substances 0.000 description 1
208000027866 inflammatory disease Diseases 0.000 description 1
230000002401 inhibitory effect Effects 0.000 description 1
238000002955 isolation Methods 0.000 description 1
125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 description 1
239000007788 liquid Substances 0.000 description 1
238000006138 lithiation reaction Methods 0.000 description 1
AHNJTQYTRPXLLG-UHFFFAOYSA-N lithium;diethylazanide Chemical compound [Li+].CC[N-]CC AHNJTQYTRPXLLG-UHFFFAOYSA-N 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
229940098779 methanesulfonic acid Drugs 0.000 description 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
125000001624 naphthyl group Chemical group 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
125000004433 nitrogen atom Chemical group N* 0.000 description 1
239000012074 organic phase Substances 0.000 description 1
201000008482 osteoarthritis Diseases 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
LXNAVEXFUKBNMK-UHFFFAOYSA-N palladium(II) acetate Substances [Pd].CC(O)=O.CC(O)=O LXNAVEXFUKBNMK-UHFFFAOYSA-N 0.000 description 1
239000008188 pellet Substances 0.000 description 1
239000012071 phase Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
125000000075 primary alcohol group Chemical group 0.000 description 1
125000003373 pyrazinyl group Chemical group 0.000 description 1
125000004076 pyridyl group Chemical group 0.000 description 1
125000000714 pyrimidinyl group Chemical group 0.000 description 1
238000010791 quenching Methods 0.000 description 1
206010039073 rheumatoid arthritis Diseases 0.000 description 1
238000007363 ring formation reaction Methods 0.000 description 1
150000003333 secondary alcohols Chemical class 0.000 description 1
WRIKHQLVHPKCJU-UHFFFAOYSA-N sodium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([Na])[Si](C)(C)C WRIKHQLVHPKCJU-UHFFFAOYSA-N 0.000 description 1
WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
229910000342 sodium bisulfate Inorganic materials 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
125000003107 substituted aryl group Chemical group 0.000 description 1
238000003786 synthesis reaction Methods 0.000 description 1
LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 description 1
229940124597 therapeutic agent Drugs 0.000 description 1
125000001544 thienyl group Chemical group 0.000 description 1
AJSTXXYNEIHPMD-UHFFFAOYSA-N triethyl borate Chemical compound CCOB(OCC)OCC AJSTXXYNEIHPMD-UHFFFAOYSA-N 0.000 description 1
ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
FIQMHBFVRAXMOP-UHFFFAOYSA-N triphenylphosphane oxide Chemical group C=1C=CC=CC=1P(C=1C=CC=CC=1)(=O)C1=CC=CC=C1 FIQMHBFVRAXMOP-UHFFFAOYSA-N 0.000 description 1
NHDIQVFFNDKAQU-UHFFFAOYSA-N tripropan-2-yl borate Chemical compound CC(C)OB(OC(C)C)OC(C)C NHDIQVFFNDKAQU-UHFFFAOYSA-N 0.000 description 1
238000005406 washing Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C33/00—Unsaturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C33/40—Halogenated unsaturated alcohols
- C07C33/50—Halogenated unsaturated alcohols containing six-membered aromatic rings and other rings
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
- C07F5/025—Boronic and borinic acid compounds

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Plural Heterocyclic Compounds (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Pyrane Compounds (AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

SK313-99A 1996-09-16 1997-08-25 Processes and intermediates for preparing substituted chromanol derivatives SK31399A3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US2637296P	1996-09-16	1996-09-16
PCT/IB1997/001024 WO1998011085A1 (en)	1996-09-16	1997-08-25	Processes and intermediates for preparing substituted chromanol derivatives

Publications (1)

Publication Number	Publication Date
SK31399A3 true SK31399A3 (en)	2000-05-16

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US (4)	US6096906A (id)
EP (1)	EP0925292B1 (id)
JP (1)	JP3117730B2 (id)
KR (1)	KR100339164B1 (id)
CN (1)	CN1108298C (id)
AP (1)	AP726A (id)
AT (1)	ATE249452T1 (id)
AU (1)	AU713701B2 (id)
BG (1)	BG63542B1 (id)
BR (1)	BR9711482A (id)
CA (1)	CA2265043C (id)
CO (1)	CO4600635A1 (id)
DE (1)	DE69724801T2 (id)
DK (1)	DK0925292T3 (id)
DZ (1)	DZ2308A1 (id)
EA (1)	EA002204B1 (id)
ES (1)	ES2206738T3 (id)
GT (3)	GT199700104A (id)
HN (1)	HN1997000127A (id)
HR (1)	HRP970497B1 (id)
ID (1)	ID19613A (id)
IL (1)	IL128732A0 (id)
IS (1)	IS4980A (id)
MA (1)	MA24319A1 (id)
NO (1)	NO991254L (id)
NZ (1)	NZ334214A (id)
OA (1)	OA10995A (id)
PA (1)	PA8437901A1 (id)
PE (1)	PE109798A1 (id)
PL (1)	PL332351A1 (id)
PT (1)	PT925292E (id)
SK (1)	SK31399A3 (id)
TN (1)	TNSN97155A1 (id)
TR (1)	TR199900592T2 (id)
TW (1)	TW449579B (id)
UA (1)	UA58520C2 (id)
WO (1)	WO1998011085A1 (id)
YU (1)	YU13299A (id)
ZA (1)	ZA978291B (id)

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US6436987B1 (en) *	2000-06-08	2002-08-20	Pfizer Inc.	Crystalline forms of (3S-trans)-2-[3,4-dihydro-4-hydroxy-3-(phenylmethyl)-2H-1-benzopyran-7-yl]-4-(trifluoromethyl)-benzoic acid
WO2002060888A1 (en) *	2001-01-30	2002-08-08	Pfizer Products Inc.	Processes for preparing chromanylbenzoic acids
AU4239302A (en) *	2001-06-28	2003-01-02	Pfizer Products Inc.	Benzoic acid substituted benzopyrans for the treatment of atherosclerosis
ES2551916T3 (es) *	2007-07-23	2015-11-24	The Board Of Trustees Of The University Of Illinois	Sistema para controlar la reactividad de los ácidos borónicos
US8338601B2 (en)	2008-09-26	2012-12-25	Board Of Trustees Of The University Of Illinois	Slow release of organoboronic acids in cross-coupling reactions
JP2013503943A (ja) *	2009-09-02	2013-02-04	イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー	フルオロビニルエーテル官能基化芳香族部分を含むポリアラミド
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Also Published As

Publication number	Publication date
YU13299A (sh)	2001-03-07
US6444826B1 (en)	2002-09-03
PE109798A1 (es)	1999-01-13
CN1230954A (zh)	1999-10-06
EP0925292A1 (en)	1999-06-30
KR20000036136A (ko)	2000-06-26
KR100339164B1 (ko)	2002-06-01
CA2265043C (en)	2003-01-14
NZ334214A (en)	2000-09-29
CN1108298C (zh)	2003-05-14
BR9711482A (pt)	1999-08-24
JP2000502726A (ja)	2000-03-07
ES2206738T3 (es)	2004-05-16
HRP970497A2 (en)	1998-08-31
CA2265043A1 (en)	1998-03-19
NO991254D0 (no)	1999-03-15
BG63542B1 (bg)	2002-04-30
UA58520C2 (uk)	2003-08-15
ID19613A (id)	1998-07-23
AP9701083A0 (en)	1997-10-31
NO991254L (no)	1999-05-14
GT199700104AA (es)	1999-03-28
GT199700104A (es)	1999-03-02
DE69724801D1 (de)	2003-10-16
EA002204B1 (ru)	2002-02-28
PA8437901A1 (es)	2000-05-24
MA24319A1 (fr)	1998-04-01
IS4980A (is)	1999-02-16
DK0925292T3 (da)	2004-01-12
US6096906A (en)	2000-08-01
AP726A (en)	1999-01-29
US6355825B1 (en)	2002-03-12
PL332351A1 (en)	1999-09-13
CO4600635A1 (es)	1998-05-08
AU713701B2 (en)	1999-12-09
HRP970497B1 (en)	2002-06-30
TR199900592T2 (xx)	1999-06-21
GT199700104BA (es)	1999-03-28
BG103231A (en)	1999-12-30
AU3781497A (en)	1998-04-02
DE69724801T2 (de)	2004-06-17
OA10995A (en)	2001-11-06
JP3117730B2 (ja)	2000-12-18
ZA978291B (en)	1999-03-15
TNSN97155A1 (fr)	2005-03-15
EP0925292B1 (en)	2003-09-10
IL128732A0 (en)	2000-01-31
HN1997000127A (es)	1997-12-20
TW449579B (en)	2001-08-11
DZ2308A1 (fr)	2002-12-28
EA199900204A1 (ru)	1999-08-26
US6288242B1 (en)	2001-09-11
ATE249452T1 (de)	2003-09-15
PT925292E (pt)	2004-01-30
US20020099227A1 (en)	2002-07-25
US20020042526A1 (en)	2002-04-11
WO1998011085A1 (en)	1998-03-19

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