CA2218804A1 - Process for the separation of a mixture of enantiomers - Google Patents
Process for the separation of a mixture of enantiomers Download PDFInfo
- Publication number
- CA2218804A1 CA2218804A1 CA002218804A CA2218804A CA2218804A1 CA 2218804 A1 CA2218804 A1 CA 2218804A1 CA 002218804 A CA002218804 A CA 002218804A CA 2218804 A CA2218804 A CA 2218804A CA 2218804 A1 CA2218804 A1 CA 2218804A1
- Authority
- CA
- Canada
- Prior art keywords
- mixture
- optically active
- enantiomers
- salt
- pea
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 180
- 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 title claims abstract description 53
- 238000000926 separation method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 39
- 150000001875 compounds Chemical class 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 87
- 150000003839 salts Chemical group 0.000 claims description 73
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 61
- 150000001412 amines Chemical class 0.000 claims description 36
- 239000007787 solid Substances 0.000 claims description 26
- 239000002904 solvent Substances 0.000 claims description 21
- 150000001413 amino acids Chemical class 0.000 claims description 6
- 150000001414 amino alcohols Chemical class 0.000 claims description 3
- 150000003573 thiols Chemical class 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 1
- 238000011084 recovery Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 51
- 239000002253 acid Substances 0.000 description 44
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 36
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 36
- 238000004128 high performance liquid chromatography Methods 0.000 description 34
- 150000007513 acids Chemical class 0.000 description 33
- 238000010992 reflux Methods 0.000 description 26
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 17
- 238000002474 experimental method Methods 0.000 description 17
- 125000000217 alkyl group Chemical group 0.000 description 13
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 13
- 238000002425 crystallisation Methods 0.000 description 13
- 230000008025 crystallization Effects 0.000 description 13
- 238000005481 NMR spectroscopy Methods 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 229940024606 amino acid Drugs 0.000 description 12
- -1 boiling point Chemical class 0.000 description 12
- 229940117803 phenethylamine Drugs 0.000 description 12
- 238000001953 recrystallisation Methods 0.000 description 12
- KWGRBVOPPLSCSI-WPRPVWTQSA-N (-)-ephedrine Chemical compound CN[C@@H](C)[C@H](O)C1=CC=CC=C1 KWGRBVOPPLSCSI-WPRPVWTQSA-N 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- ZPSPULCZMWMHCY-JTQLQIEISA-N (4r)-4-(2-chlorophenyl)-2-hydroxy-5,5-dimethyl-1,3,2$l^{5}-dioxaphosphinane 2-oxide Chemical compound CC1(C)COP(O)(=O)O[C@H]1C1=CC=CC=C1Cl ZPSPULCZMWMHCY-JTQLQIEISA-N 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 10
- KWGRBVOPPLSCSI-UHFFFAOYSA-N d-ephedrine Natural products CNC(C)C(O)C1=CC=CC=C1 KWGRBVOPPLSCSI-UHFFFAOYSA-N 0.000 description 10
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 10
- 229960002510 mandelic acid Drugs 0.000 description 10
- 125000003118 aryl group Chemical group 0.000 description 9
- PSZSDCWNBXVDFG-UHFFFAOYSA-N 2-hydroxy-5,5-dimethyl-4-phenyl-1,3,2$l^{5}-dioxaphosphinane 2-oxide Chemical compound CC1(C)COP(O)(=O)OC1C1=CC=CC=C1 PSZSDCWNBXVDFG-UHFFFAOYSA-N 0.000 description 8
- OWVIRVJQDVCGQX-VSGBNLITSA-N [(4r,5r)-5-[hydroxy(diphenyl)methyl]-2,2-dimethyl-1,3-dioxolan-4-yl]-diphenylmethanol Chemical class C=1C=CC=CC=1C(O)([C@H]1[C@@H](OC(O1)(C)C)C(O)(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 OWVIRVJQDVCGQX-VSGBNLITSA-N 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000004296 chiral HPLC Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- IWYDHOAUDWTVEP-UHFFFAOYSA-N R-2-phenyl-2-hydroxyacetic acid Natural products OC(=O)C(O)C1=CC=CC=C1 IWYDHOAUDWTVEP-UHFFFAOYSA-N 0.000 description 6
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric Acid Chemical class [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 6
- 235000011007 phosphoric acid Nutrition 0.000 description 6
- 150000003016 phosphoric acids Chemical class 0.000 description 6
- 235000002906 tartaric acid Nutrition 0.000 description 5
- LOPKSXMQWBYUOI-BDAKNGLRSA-N (1s,2r)-1-amino-2,3-dihydro-1h-inden-2-ol Chemical compound C1=CC=C2[C@H](N)[C@H](O)CC2=C1 LOPKSXMQWBYUOI-BDAKNGLRSA-N 0.000 description 4
- QBYIENPQHBMVBV-HFEGYEGKSA-N (2R)-2-hydroxy-2-phenylacetic acid Chemical compound O[C@@H](C(O)=O)c1ccccc1.O[C@@H](C(O)=O)c1ccccc1 QBYIENPQHBMVBV-HFEGYEGKSA-N 0.000 description 4
- BHZBRPQOYFDTAB-ZETCQYMHSA-N (2s)-2-(4-bromophenyl)-2-hydroxyacetic acid Chemical compound OC(=O)[C@@H](O)C1=CC=C(Br)C=C1 BHZBRPQOYFDTAB-ZETCQYMHSA-N 0.000 description 4
- PSZSDCWNBXVDFG-SNVBAGLBSA-N (4r)-2-hydroxy-5,5-dimethyl-4-phenyl-1,3,2$l^{5}-dioxaphosphinane 2-oxide Chemical compound CC1(C)COP(O)(=O)O[C@@H]1C1=CC=CC=C1 PSZSDCWNBXVDFG-SNVBAGLBSA-N 0.000 description 4
- JPSTZYGETAMJNQ-UHFFFAOYSA-N 1-benzyl-3,4-diphenylpyrrolidine Chemical compound C=1C=CC=CC=1CN(C1)CC(C=2C=CC=CC=2)C1C1=CC=CC=C1 JPSTZYGETAMJNQ-UHFFFAOYSA-N 0.000 description 4
- CCIUQRKCMXXTOI-UHFFFAOYSA-N 2,3-dihydroxy-2,3-bis(4-methoxybenzoyl)butanedioic acid Chemical compound C1=CC(OC)=CC=C1C(=O)C(O)(C(O)=O)C(O)(C(O)=O)C(=O)C1=CC=C(OC)C=C1 CCIUQRKCMXXTOI-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
- 125000003277 amino group Chemical group 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- WZHCOOQXZCIUNC-UHFFFAOYSA-N cyclandelate Chemical class C1C(C)(C)CC(C)CC1OC(=O)C(O)C1=CC=CC=C1 WZHCOOQXZCIUNC-UHFFFAOYSA-N 0.000 description 4
- 235000019439 ethyl acetate Nutrition 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000012216 screening Methods 0.000 description 4
- LABRPRANVKSMGP-UHFFFAOYSA-N 1,3,2-dioxaphosphinane Chemical compound C1COPOC1 LABRPRANVKSMGP-UHFFFAOYSA-N 0.000 description 3
- IWNVOQPMLVLFGV-UHFFFAOYSA-N 1-benzyl-3,4-bis(4-methoxyphenyl)pyrrolidine Chemical compound C1=CC(OC)=CC=C1C1C(C=2C=CC(OC)=CC=2)CN(CC=2C=CC=CC=2)C1 IWNVOQPMLVLFGV-UHFFFAOYSA-N 0.000 description 3
- WAPNOHKVXSQRPX-UHFFFAOYSA-N 1-phenylethanol Chemical compound CC(O)C1=CC=CC=C1 WAPNOHKVXSQRPX-UHFFFAOYSA-N 0.000 description 3
- SRXFXCKTIGELTI-UHFFFAOYSA-N 2-(4-chlorophenyl)ethanamine Chemical compound NCCC1=CC=C(Cl)C=C1 SRXFXCKTIGELTI-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 150000001735 carboxylic acids Chemical class 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229960002179 ephedrine Drugs 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- LOPKSXMQWBYUOI-DTWKUNHWSA-N (1r,2s)-1-amino-2,3-dihydro-1h-inden-2-ol Chemical compound C1=CC=C2[C@@H](N)[C@@H](O)CC2=C1 LOPKSXMQWBYUOI-DTWKUNHWSA-N 0.000 description 2
- KWGRBVOPPLSCSI-PSASIEDQSA-N (1s,2r)-2-(methylamino)-1-phenylpropan-1-ol Chemical compound CN[C@H](C)[C@@H](O)C1=CC=CC=C1 KWGRBVOPPLSCSI-PSASIEDQSA-N 0.000 description 2
- YONLFQNRGZXBBF-ZIAGYGMSSA-N (2r,3r)-2,3-dibenzoyloxybutanedioic acid Chemical compound O([C@@H](C(=O)O)[C@@H](OC(=O)C=1C=CC=CC=1)C(O)=O)C(=O)C1=CC=CC=C1 YONLFQNRGZXBBF-ZIAGYGMSSA-N 0.000 description 2
- KIYRSYYOVDHSPG-ZETCQYMHSA-N (2s)-2-amino-2-phenylacetamide Chemical compound NC(=O)[C@@H](N)C1=CC=CC=C1 KIYRSYYOVDHSPG-ZETCQYMHSA-N 0.000 description 2
- ZPSPULCZMWMHCY-SNVBAGLBSA-N (4s)-4-(2-chlorophenyl)-2-hydroxy-5,5-dimethyl-1,3,2$l^{5}-dioxaphosphinane 2-oxide Chemical compound CC1(C)COP(O)(=O)O[C@@H]1C1=CC=CC=C1Cl ZPSPULCZMWMHCY-SNVBAGLBSA-N 0.000 description 2
- BHZBRPQOYFDTAB-UHFFFAOYSA-N 2-(4-bromophenyl)-2-hydroxyacetic acid Chemical compound OC(=O)C(O)C1=CC=C(Br)C=C1 BHZBRPQOYFDTAB-UHFFFAOYSA-N 0.000 description 2
- ZSZCXAOQVBEPME-UHFFFAOYSA-N 2-(4-bromophenyl)ethanamine Chemical compound NCCC1=CC=C(Br)C=C1 ZSZCXAOQVBEPME-UHFFFAOYSA-N 0.000 description 2
- VFXGQMRQLPJCFR-UHFFFAOYSA-N 2-[(2-methylbenzoyl)amino]-2-phenylacetic acid Chemical compound CC1=CC=CC=C1C(=O)NC(C(O)=O)C1=CC=CC=C1 VFXGQMRQLPJCFR-UHFFFAOYSA-N 0.000 description 2
- MBNRIDZSQPHJRF-UHFFFAOYSA-N 2-[(4-methoxybenzoyl)amino]-2-phenylacetic acid Chemical compound C1=CC(OC)=CC=C1C(=O)NC(C(O)=O)C1=CC=CC=C1 MBNRIDZSQPHJRF-UHFFFAOYSA-N 0.000 description 2
- ACDLFRQZDTZESK-UHFFFAOYSA-N 2-benzamido-2-phenylacetic acid Chemical compound C=1C=CC=CC=1C(C(=O)O)NC(=O)C1=CC=CC=C1 ACDLFRQZDTZESK-UHFFFAOYSA-N 0.000 description 2
- UJOYFRCOTPUKAK-UHFFFAOYSA-N 3-ammonio-3-phenylpropanoate Chemical compound [O-]C(=O)CC([NH3+])C1=CC=CC=C1 UJOYFRCOTPUKAK-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 2
- BHHGXPLMPWCGHP-UHFFFAOYSA-N Phenethylamine Chemical compound NCCC1=CC=CC=C1 BHHGXPLMPWCGHP-UHFFFAOYSA-N 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 150000001241 acetals Chemical class 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 125000002252 acyl group Chemical group 0.000 description 2
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 2
- 150000003973 alkyl amines Chemical class 0.000 description 2
- XPNGNIFUDRPBFJ-UHFFFAOYSA-N alpha-methylbenzylalcohol Natural products CC1=CC=CC=C1CO XPNGNIFUDRPBFJ-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 150000005347 biaryls Chemical group 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 229940096118 ella Drugs 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 229940093499 ethyl acetate Drugs 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 150000002780 morpholines Chemical class 0.000 description 2
- 125000002560 nitrile group Chemical group 0.000 description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 150000004885 piperazines Chemical class 0.000 description 2
- 150000003053 piperidines Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000003531 protein hydrolysate Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 150000003235 pyrrolidines Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 125000004149 thio group Chemical group *S* 0.000 description 2
- 125000004001 thioalkyl group Chemical group 0.000 description 2
- OOLLAFOLCSJHRE-ZHAKMVSLSA-N ulipristal acetate Chemical compound C1=CC(N(C)C)=CC=C1[C@@H]1C2=C3CCC(=O)C=C3CC[C@H]2[C@H](CC[C@]2(OC(C)=O)C(C)=O)[C@]2(C)C1 OOLLAFOLCSJHRE-ZHAKMVSLSA-N 0.000 description 2
- VFXGQMRQLPJCFR-CQSZACIVSA-N (2r)-2-[(2-methylbenzoyl)amino]-2-phenylacetic acid Chemical compound CC1=CC=CC=C1C(=O)N[C@@H](C(O)=O)C1=CC=CC=C1 VFXGQMRQLPJCFR-CQSZACIVSA-N 0.000 description 1
- MBNRIDZSQPHJRF-CQSZACIVSA-N (2r)-2-[(4-methoxybenzoyl)amino]-2-phenylacetic acid Chemical compound C1=CC(OC)=CC=C1C(=O)N[C@@H](C(O)=O)C1=CC=CC=C1 MBNRIDZSQPHJRF-CQSZACIVSA-N 0.000 description 1
- ACDLFRQZDTZESK-CYBMUJFWSA-N (2r)-2-benzamido-2-phenylacetic acid Chemical compound N([C@@H](C(=O)O)C=1C=CC=CC=1)C(=O)C1=CC=CC=C1 ACDLFRQZDTZESK-CYBMUJFWSA-N 0.000 description 1
- CMIBUZBMZCBCAT-HZPDHXFCSA-N (2r,3r)-2,3-bis[(4-methylbenzoyl)oxy]butanedioic acid Chemical compound C1=CC(C)=CC=C1C(=O)O[C@@H](C(O)=O)[C@H](C(O)=O)OC(=O)C1=CC=C(C)C=C1 CMIBUZBMZCBCAT-HZPDHXFCSA-N 0.000 description 1
- FSNYTEYOTCTPSO-ZETCQYMHSA-N (2s)-1-azabicyclo[2.2.2]octan-2-ol Chemical compound C1CN2[C@@H](O)CC1CC2 FSNYTEYOTCTPSO-ZETCQYMHSA-N 0.000 description 1
- QNRXNRGSOJZINA-QMMMGPOBSA-N (2s)-2,3-dihydro-1h-indole-2-carboxylic acid Chemical compound C1=CC=C2N[C@H](C(=O)O)CC2=C1 QNRXNRGSOJZINA-QMMMGPOBSA-N 0.000 description 1
- HNFXKRNIAWHFJN-LLVKDONJSA-N (4s)-2-hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2$l^{5}-dioxaphosphinane 2-oxide Chemical compound COC1=CC=CC=C1[C@@H]1C(C)(C)COP(O)(=O)O1 HNFXKRNIAWHFJN-LLVKDONJSA-N 0.000 description 1
- IWYDHOAUDWTVEP-SSDOTTSWSA-N (R)-mandelic acid Chemical compound OC(=O)[C@H](O)C1=CC=CC=C1 IWYDHOAUDWTVEP-SSDOTTSWSA-N 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
- WYECURVXVYPVAT-UHFFFAOYSA-N 1-(4-bromophenyl)ethanone Chemical compound CC(=O)C1=CC=C(Br)C=C1 WYECURVXVYPVAT-UHFFFAOYSA-N 0.000 description 1
- BUZYGTVTZYSBCU-UHFFFAOYSA-N 1-(4-chlorophenyl)ethanone Chemical compound CC(=O)C1=CC=C(Cl)C=C1 BUZYGTVTZYSBCU-UHFFFAOYSA-N 0.000 description 1
- ZGQPVDJMJMCWEM-UHFFFAOYSA-N 1-anilinopropane-1,1-diol Chemical class CCC(O)(O)NC1=CC=CC=C1 ZGQPVDJMJMCWEM-UHFFFAOYSA-N 0.000 description 1
- AHKAOMZZTQULDS-UHFFFAOYSA-N 1-azabicyclo[2.2.2]octan-3-yl benzoate Chemical compound C1N(CC2)CCC2C1OC(=O)C1=CC=CC=C1 AHKAOMZZTQULDS-UHFFFAOYSA-N 0.000 description 1
- ZDZHCHYQNPQSGG-UHFFFAOYSA-N 1-naphthalen-1-ylnaphthalene Chemical compound C1=CC=C2C(C=3C4=CC=CC=C4C=CC=3)=CC=CC2=C1 ZDZHCHYQNPQSGG-UHFFFAOYSA-N 0.000 description 1
- RQEUFEKYXDPUSK-UHFFFAOYSA-N 1-phenylethylamine Chemical compound CC(N)C1=CC=CC=C1 RQEUFEKYXDPUSK-UHFFFAOYSA-N 0.000 description 1
- AQFLVLHRZFLDDV-UHFFFAOYSA-N 1-phenylpropan-1-amine Chemical compound CCC(N)C1=CC=CC=C1 AQFLVLHRZFLDDV-UHFFFAOYSA-N 0.000 description 1
- KWWCVCFQHGKOMI-UHFFFAOYSA-N 2,3-bis[(4-methoxybenzoyl)oxy]butanedioic acid Chemical compound C1=CC(OC)=CC=C1C(=O)OC(C(O)=O)C(C(O)=O)OC(=O)C1=CC=C(OC)C=C1 KWWCVCFQHGKOMI-UHFFFAOYSA-N 0.000 description 1
- NTOIKDYVJIWVSU-UHFFFAOYSA-N 2,3-dihydroxy-2,3-bis(4-methylbenzoyl)butanedioic acid Chemical compound C1=CC(C)=CC=C1C(=O)C(O)(C(O)=O)C(O)(C(O)=O)C(=O)C1=CC=C(C)C=C1 NTOIKDYVJIWVSU-UHFFFAOYSA-N 0.000 description 1
- ITRNQMJXZUWZQL-UHFFFAOYSA-N 2-(2-bromophenyl)ethanamine Chemical compound NCCC1=CC=CC=C1Br ITRNQMJXZUWZQL-UHFFFAOYSA-N 0.000 description 1
- RZBOMSOHMOVUES-UHFFFAOYSA-N 2-(2-chlorophenyl)ethanamine Chemical compound NCCC1=CC=CC=C1Cl RZBOMSOHMOVUES-UHFFFAOYSA-N 0.000 description 1
- ORHRHMLEFQBHND-UHFFFAOYSA-N 2-(3-bromophenyl)ethanamine Chemical compound NCCC1=CC=CC(Br)=C1 ORHRHMLEFQBHND-UHFFFAOYSA-N 0.000 description 1
- NRHVNPYOTNGECT-UHFFFAOYSA-N 2-(3-chlorophenyl)ethanamine Chemical compound NCCC1=CC=CC(Cl)=C1 NRHVNPYOTNGECT-UHFFFAOYSA-N 0.000 description 1
- BWSFWXSSALIZAU-UHFFFAOYSA-N 2-(4-chlorophenyl)-2-hydroxyacetic acid Chemical compound OC(=O)C(O)C1=CC=C(Cl)C=C1 BWSFWXSSALIZAU-UHFFFAOYSA-N 0.000 description 1
- RWCMOQXHIDWDDJ-UHFFFAOYSA-N 2-(4-fluorophenyl)-2-hydroxyacetic acid Chemical compound OC(=O)C(O)C1=CC=C(F)C=C1 RWCMOQXHIDWDDJ-UHFFFAOYSA-N 0.000 description 1
- JCBPETKZIGVZRE-UHFFFAOYSA-N 2-aminobutan-1-ol Chemical compound CCC(N)CO JCBPETKZIGVZRE-UHFFFAOYSA-N 0.000 description 1
- KMGUEILFFWDGFV-UHFFFAOYSA-N 2-benzoyl-2-benzoyloxy-3-hydroxybutanedioic acid Chemical compound C=1C=CC=CC=1C(=O)C(C(C(O)=O)O)(C(O)=O)OC(=O)C1=CC=CC=C1 KMGUEILFFWDGFV-UHFFFAOYSA-N 0.000 description 1
- RGNFMQJLAOONTP-UHFFFAOYSA-N 2-ethylmorpholine Chemical compound CCC1CNCCO1 RGNFMQJLAOONTP-UHFFFAOYSA-N 0.000 description 1
- ITECRQOOEQWFPE-UHFFFAOYSA-N 2-hydroxy-2-(4-methoxyphenyl)acetic acid Chemical compound COC1=CC=C(C(O)C(O)=O)C=C1 ITECRQOOEQWFPE-UHFFFAOYSA-N 0.000 description 1
- SFGURAWGCAPHON-UHFFFAOYSA-N 2-hydroxy-2-(4-methylphenyl)acetic acid Chemical compound CC1=CC=C(C(O)C(O)=O)C=C1 SFGURAWGCAPHON-UHFFFAOYSA-N 0.000 description 1
- 102100027324 2-hydroxyacyl-CoA lyase 1 Human genes 0.000 description 1
- LVFFZQQWIZURIO-UHFFFAOYSA-N 2-phenylbutanedioic acid Chemical compound OC(=O)CC(C(O)=O)C1=CC=CC=C1 LVFFZQQWIZURIO-UHFFFAOYSA-N 0.000 description 1
- VQDJODAWOFNASI-UHFFFAOYSA-N 2-propylpropanedioic acid Chemical class CCCC(C(O)=O)C(O)=O VQDJODAWOFNASI-UHFFFAOYSA-N 0.000 description 1
- GUERDLPJJJMIEU-UHFFFAOYSA-N 3-methylphenethylamine Chemical compound CC1=CC=CC(CCN)=C1 GUERDLPJJJMIEU-UHFFFAOYSA-N 0.000 description 1
- LJCWONGJFPCTTL-UHFFFAOYSA-N 4-hydroxyphenylglycine Chemical compound OC(=O)C(N)C1=CC=C(O)C=C1 LJCWONGJFPCTTL-UHFFFAOYSA-N 0.000 description 1
- 241001640117 Callaeum Species 0.000 description 1
- 101001009252 Homo sapiens 2-hydroxyacyl-CoA lyase 1 Proteins 0.000 description 1
- ZGUNAGUHMKGQNY-ZETCQYMHSA-N L-alpha-phenylglycine zwitterion Chemical compound OC(=O)[C@@H](N)C1=CC=CC=C1 ZGUNAGUHMKGQNY-ZETCQYMHSA-N 0.000 description 1
- 150000008575 L-amino acids Chemical class 0.000 description 1
- COLNVLDHVKWLRT-QMMMGPOBSA-N L-phenylalanine Chemical compound OC(=O)[C@@H](N)CC1=CC=CC=C1 COLNVLDHVKWLRT-QMMMGPOBSA-N 0.000 description 1
- OBSIQMZKFXFYLV-QMMMGPOBSA-N L-phenylalanine amide Chemical compound NC(=O)[C@@H](N)CC1=CC=CC=C1 OBSIQMZKFXFYLV-QMMMGPOBSA-N 0.000 description 1
- PQFMNVGMJJMLAE-QMMMGPOBSA-N L-tyrosinamide Chemical compound NC(=O)[C@@H](N)CC1=CC=C(O)C=C1 PQFMNVGMJJMLAE-QMMMGPOBSA-N 0.000 description 1
- OUYCCCASQSFEME-QMMMGPOBSA-N L-tyrosine Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-QMMMGPOBSA-N 0.000 description 1
- 108010009736 Protein Hydrolysates Proteins 0.000 description 1
- 229910006069 SO3H Inorganic materials 0.000 description 1
- 101000870345 Vasconcellea cundinamarcensis Cysteine proteinase 1 Proteins 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 108091005647 acylated proteins Proteins 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- MIOPJNTWMNEORI-UHFFFAOYSA-N camphorsulfonic acid Chemical compound C1CC2(CS(O)(=O)=O)C(=O)CC1C2(C)C MIOPJNTWMNEORI-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229960001760 dimethyl sulfoxide Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 150000003840 hydrochlorides Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- SBOJXQVPLKSXOG-UHFFFAOYSA-N o-amino-hydroxylamine Chemical class NON SBOJXQVPLKSXOG-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229960003424 phenylacetic acid Drugs 0.000 description 1
- 239000003279 phenylacetic acid Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- CMXPERZAMAQXSF-UHFFFAOYSA-M sodium;1,4-bis(2-ethylhexoxy)-1,4-dioxobutane-2-sulfonate;1,8-dihydroxyanthracene-9,10-dione Chemical compound [Na+].O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=CC=C2O.CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC CMXPERZAMAQXSF-UHFFFAOYSA-M 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/02—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements
- C07D295/023—Preparation; Separation; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B57/00—Separation of optically-active compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/80—Preparation of compounds containing amino groups bound to a carbon skeleton by photochemical reactions; by using free radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/10—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/30—Preparation of optical isomers
- C07C227/34—Preparation of optical isomers by separation of optical isomers
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- 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
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6571—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
- C07F9/6574—Esters of oxyacids of phosphorus
- C07F9/65742—Esters of oxyacids of phosphorus non-condensed with carbocyclic rings or heterocyclic rings or ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
- C07C2602/04—One of the condensed rings being a six-membered aromatic ring
- C07C2602/08—One of the condensed rings being a six-membered aromatic ring the other ring being five-membered, e.g. indane
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Hydrogenated Pyridines (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pyrrole Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1004346 | 1996-10-23 | ||
| NL1004346A NL1004346C2 (nl) | 1996-10-23 | 1996-10-23 | Werkwijze voor het scheiden van een mengsel van enantiomeren in een geschikt oplosmiddel. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2218804A1 true CA2218804A1 (en) | 1998-04-23 |
Family
ID=19763731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002218804A Abandoned CA2218804A1 (en) | 1996-10-23 | 1997-10-21 | Process for the separation of a mixture of enantiomers |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6235927B1 (https=) |
| EP (1) | EP0838448B1 (https=) |
| JP (1) | JPH10245368A (https=) |
| CN (1) | CN1182068A (https=) |
| AT (1) | ATE264826T1 (https=) |
| CA (1) | CA2218804A1 (https=) |
| DE (1) | DE69728730T9 (https=) |
| IL (1) | IL122012A (https=) |
| IN (1) | IN184142B (https=) |
| NL (1) | NL1004346C2 (https=) |
| NO (1) | NO974779L (https=) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999042460A1 (en) * | 1998-02-20 | 1999-08-26 | Fine Chemicals Corporation (Proprietary) Limited | Process for the production of optically enriched (r)- or (s)-albuterol |
| US6713627B2 (en) | 1998-03-13 | 2004-03-30 | Aventis Pharmaceuticals Inc. | Processes for the preparation of (R)-α-(2,3-dimethoxyphenyl)-1-[2-(4-fluorophenyl)ethyl]-4-piperidinemethanol |
| NL1008911C2 (nl) * | 1998-04-17 | 1999-10-19 | Dsm Nv | Werkwijze voor het verhogen van de enantiomere overmaat van een chirale verbinding. |
| EP1034826A1 (en) | 1999-03-05 | 2000-09-13 | Reuter Chemische Apparatebau | Co-crystallization process |
| NL1012865C2 (nl) * | 1999-08-19 | 2001-02-20 | Dsm Nv | 1-Fenyl-3-oxopropaan-1-sulfonzuren en -sulfonaten en zuivere enantiomeren daarvan. |
| WO2001030763A1 (en) * | 1999-10-22 | 2001-05-03 | Takeda Chemical Industries, Ltd. | Process for producing optically active naphthalene derivative and optical resolver therefor |
| US7666588B2 (en) * | 2001-03-02 | 2010-02-23 | Ibis Biosciences, Inc. | Methods for rapid forensic analysis of mitochondrial DNA and characterization of mitochondrial DNA heteroplasmy |
| JP2005104895A (ja) * | 2003-09-30 | 2005-04-21 | Nippon Kayaku Co Ltd | 光学活性なアミノアルコール化合物の製造法 |
| ATE361905T1 (de) * | 2003-12-10 | 2007-06-15 | Degussa | Verfahren zur herstellung von enantiomeren angereicherten aminosäuren |
| EP1720861A2 (en) | 2004-02-25 | 2006-11-15 | Eli Lilly And Company | Histamine h3 receptor antagonists, preparation and therapeutic uses |
| WO2006006071A1 (en) * | 2004-07-07 | 2006-01-19 | Pfizer Products Inc. | Resolution of an aryl-fused azapolycyclic compound |
| EP1885692A2 (en) * | 2005-05-04 | 2008-02-13 | Medichem, S.A. | Process for the preparation of tamsulosin |
| MX2007016216A (es) | 2005-07-01 | 2008-03-11 | Lilly Co Eli | Agenes del receptor de histamina h3, preparacion y usos terapeuticos. |
| ES2393757T3 (es) | 2005-11-17 | 2012-12-27 | Eli Lilly & Company | Antagonistas de receptor de glucagón, preparación y usos terapéuticos |
| WO2007114855A2 (en) | 2005-11-18 | 2007-10-11 | Eli Lilly And Company | Glucagon receptor antagonists, preparation and therapeutic uses |
| UA99284C2 (ru) | 2007-05-11 | 2012-08-10 | Елі Ліллі Енд Компані | ИНГИБИТОРЫ р70 S6-КИНАЗЫ |
| BRPI0916197B1 (pt) | 2008-07-29 | 2018-01-23 | Poxel | Processo para isolar componentes enantioméricos de uma mistura de enantiômeros |
| AR075988A1 (es) | 2009-04-09 | 2011-05-11 | Lilly Co Eli | Compuesto de piridiloxi - pirrolidina inhibidor de recaptacion de serotonina y norepinefrina, composicion farmaceutica que lo comprende y su uso para la manufactura de un medicamento util para el tratamiento de dolor cronico |
| EA020151B1 (ru) | 2009-10-23 | 2014-09-30 | Эли Лилли Энд Компани | Ингибиторы akt и фармацевтические составы, их содержащие |
| CN101792398B (zh) * | 2010-03-09 | 2013-06-26 | 河北科技大学 | 一种拆分法制备光学纯对羟基苯甘氨酸的方法 |
| CN104876856B (zh) * | 2015-05-05 | 2017-11-21 | 河北凯力昂生物科技有限公司 | 一种拆分法制备(r)‑(+)‑3‑氨基哌啶二盐酸盐的方法 |
| CN104829459B (zh) * | 2015-05-06 | 2017-05-24 | 河北凯力昂生物科技有限公司 | 一种拆分法制备(r)‑(+)‑1‑萘乙胺的方法 |
| KR102565407B1 (ko) * | 2016-01-04 | 2023-08-10 | (주)아모레퍼시픽 | 극성 비양자성 용매를 이용한 n-[4-(1-아미노에틸)-페닐]-술폰아미드 유도체의 카이랄 분할 방법 |
| CN108658784B (zh) * | 2018-04-26 | 2020-12-18 | 联化科技股份有限公司 | (r)-1-(4-甲基苯基)乙胺的合成方法 |
| CN109485561A (zh) * | 2018-11-23 | 2019-03-19 | 江苏颖盛化工有限公司 | 一种dl-萘普生的合成工艺 |
| WO2021074778A1 (en) * | 2019-10-16 | 2021-04-22 | Hikal Limited | An industrial process for resolution of chlocyphos |
| US20260015329A1 (en) * | 2022-07-14 | 2026-01-15 | Kureha Corporation | Method for producing triazole derivative enantiomer (r) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB656500A (en) * | 1947-10-24 | 1951-08-22 | Sterling Drug Inc | Improvements in or relating to the preparation of l-arterenol and l-arterenol so prepared |
| US3862985A (en) * | 1971-07-28 | 1975-01-28 | Allied Chem | Resolution of lysineamide |
| WO1985003932A1 (en) * | 1984-03-01 | 1985-09-12 | Alkaloida Vegyészeti Gyár | Novel diastereomer salts of phenylalanine and n-acyl derivatives thereof and process for the separation of optically active phenylalanine and n-acyl derivatives thereof |
-
1996
- 1996-10-23 NL NL1004346A patent/NL1004346C2/nl not_active IP Right Cessation
-
1997
- 1997-10-16 NO NO974779A patent/NO974779L/no not_active Application Discontinuation
- 1997-10-20 DE DE69728730T patent/DE69728730T9/de active Active
- 1997-10-20 EP EP97203262A patent/EP0838448B1/en not_active Expired - Lifetime
- 1997-10-20 AT AT97203262T patent/ATE264826T1/de not_active IP Right Cessation
- 1997-10-20 IN IN2350MA1997 patent/IN184142B/en unknown
- 1997-10-21 CA CA002218804A patent/CA2218804A1/en not_active Abandoned
- 1997-10-21 IL IL12201297A patent/IL122012A/xx not_active IP Right Cessation
- 1997-10-22 US US08/955,612 patent/US6235927B1/en not_active Expired - Fee Related
- 1997-10-23 CN CN97122879A patent/CN1182068A/zh active Pending
- 1997-10-23 JP JP9326871A patent/JPH10245368A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL1004346C2 (nl) | 1998-04-24 |
| ATE264826T1 (de) | 2004-05-15 |
| DE69728730D1 (de) | 2004-05-27 |
| EP0838448B1 (en) | 2004-04-21 |
| IL122012A (en) | 2001-08-26 |
| US6235927B1 (en) | 2001-05-22 |
| IN184142B (https=) | 2000-06-17 |
| JPH10245368A (ja) | 1998-09-14 |
| DE69728730T9 (de) | 2005-09-08 |
| NO974779L (no) | 1998-04-24 |
| DE69728730T2 (de) | 2005-03-31 |
| IL122012A0 (en) | 1998-03-10 |
| NO974779D0 (no) | 1997-10-16 |
| CN1182068A (zh) | 1998-05-20 |
| EP0838448A1 (en) | 1998-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |