PH26782A - Process for the production of asymmetric hydantoins - Google Patents
Process for the production of asymmetric hydantoins Download PDFInfo
- Publication number
- PH26782A PH26782A PH32670A PH32670A PH26782A PH 26782 A PH26782 A PH 26782A PH 32670 A PH32670 A PH 32670A PH 32670 A PH32670 A PH 32670A PH 26782 A PH26782 A PH 26782A
- Authority
- PH
- Philippines
- Prior art keywords
- methyl
- acid
- spiro
- amino
- fluoro
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title abstract description 41
- 150000001469 hydantoins Chemical class 0.000 title description 2
- 239000002253 acid Substances 0.000 claims abstract description 26
- 150000003839 salts Chemical class 0.000 claims abstract description 23
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 22
- 150000002148 esters Chemical class 0.000 claims abstract description 18
- 125000004494 ethyl ester group Chemical group 0.000 claims abstract description 9
- RUZLIIJDZBWWSA-INIZCTEOSA-N methyl 2-[[(1s)-1-(7-methyl-2-morpholin-4-yl-4-oxopyrido[1,2-a]pyrimidin-9-yl)ethyl]amino]benzoate Chemical group COC(=O)C1=CC=CC=C1N[C@@H](C)C1=CC(C)=CN2C(=O)C=C(N3CCOCC3)N=C12 RUZLIIJDZBWWSA-INIZCTEOSA-N 0.000 claims abstract description 9
- DTDIIZMYQOKQSO-UHFFFAOYSA-N 4-methyl-2-oxo-1,3-dihydropyrido[1,2-a]pyrimidin-5-ium-4-carboxylate Chemical compound C1=CC=CN2C(C)(C(O)=O)CC(=O)N=C21 DTDIIZMYQOKQSO-UHFFFAOYSA-N 0.000 claims abstract description 5
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims description 10
- 229960002376 chymotrypsin Drugs 0.000 claims description 8
- IFJLLYGZXTWBJC-TZRNXQDGSA-N (2r)-4-amino-6-fluoro-2-methyl-2,3-dihydrochromene-4-carboxylic acid Chemical compound FC1=CC=C2O[C@H](C)CC(N)(C(O)=O)C2=C1 IFJLLYGZXTWBJC-TZRNXQDGSA-N 0.000 claims description 6
- 230000032050 esterification Effects 0.000 claims description 3
- 238000005886 esterification reaction Methods 0.000 claims description 3
- -1 spiroalkylated azlactone compound Chemical class 0.000 abstract description 47
- 238000006243 chemical reaction Methods 0.000 abstract description 37
- 239000000543 intermediate Substances 0.000 abstract description 21
- 150000001875 compounds Chemical class 0.000 abstract description 18
- 229950004311 sorbinil Drugs 0.000 abstract description 15
- 239000002585 base Substances 0.000 abstract description 14
- LXANPKRCLVQAOG-NSHDSACASA-N sorbinil Chemical compound C12=CC(F)=CC=C2OCC[C@@]21NC(=O)NC2=O LXANPKRCLVQAOG-NSHDSACASA-N 0.000 abstract description 14
- RHMPLDJJXGPMEX-UHFFFAOYSA-N 4-fluorophenol Chemical compound OC1=CC=C(F)C=C1 RHMPLDJJXGPMEX-UHFFFAOYSA-N 0.000 abstract description 10
- 239000012024 dehydrating agents Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 229910052783 alkali metal Inorganic materials 0.000 abstract description 6
- SEAQTHCVAGBRFY-INWYIAFRSA-N (2r,4s)-6-fluoro-2-methylspiro[2,3-dihydrochromene-4,5'-imidazolidine]-2',4'-dione Chemical compound C([C@H](OC1=CC=C(F)C=C11)C)[C@@]21NC(=O)NC2=O SEAQTHCVAGBRFY-INWYIAFRSA-N 0.000 abstract description 5
- 230000018044 dehydration Effects 0.000 abstract description 5
- 238000006297 dehydration reaction Methods 0.000 abstract description 5
- 238000005830 amidoalkylation reaction Methods 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 208000002249 Diabetes Complications Diseases 0.000 abstract description 2
- 206010012655 Diabetic complications Diseases 0.000 abstract description 2
- 230000001684 chronic effect Effects 0.000 abstract description 2
- 238000005903 acid hydrolysis reaction Methods 0.000 abstract 1
- 108010027597 alpha-chymotrypsin Proteins 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 53
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 48
- 239000011541 reaction mixture Substances 0.000 description 44
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 39
- 239000000243 solution Substances 0.000 description 38
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 36
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 30
- 239000000203 mixture Substances 0.000 description 30
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 26
- 238000005481 NMR spectroscopy Methods 0.000 description 24
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 23
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 22
- 230000000875 corresponding effect Effects 0.000 description 22
- 238000001704 evaporation Methods 0.000 description 21
- 239000000047 product Substances 0.000 description 21
- 230000008020 evaporation Effects 0.000 description 19
- 239000007787 solid Substances 0.000 description 18
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical class CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 17
- 238000001914 filtration Methods 0.000 description 16
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 16
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 15
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 15
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 15
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 15
- 239000010410 layer Substances 0.000 description 14
- 238000002360 preparation method Methods 0.000 description 14
- 238000010992 reflux Methods 0.000 description 14
- 239000002904 solvent Substances 0.000 description 14
- 239000003921 oil Substances 0.000 description 13
- 235000019198 oils Nutrition 0.000 description 13
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 13
- 239000000706 filtrate Substances 0.000 description 12
- 229910052739 hydrogen Inorganic materials 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 12
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 11
- 239000012467 final product Substances 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- 229960000583 acetic acid Drugs 0.000 description 10
- 239000012267 brine Substances 0.000 description 10
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 10
- 238000000967 suction filtration Methods 0.000 description 10
- 238000003786 synthesis reaction Methods 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000001819 mass spectrum Methods 0.000 description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- 239000002274 desiccant Substances 0.000 description 8
- 239000012362 glacial acetic acid Substances 0.000 description 8
- 239000007858 starting material Substances 0.000 description 8
- JXSPKRUNMHMICQ-UHFFFAOYSA-N 1-(2-bromoethoxy)-4-fluorobenzene Chemical compound FC1=CC=C(OCCBr)C=C1 JXSPKRUNMHMICQ-UHFFFAOYSA-N 0.000 description 7
- SWBBIJZMIGAZHW-UHFFFAOYSA-N 6-fluoro-2,3-dihydrochromen-4-one Chemical compound O1CCC(=O)C2=CC(F)=CC=C21 SWBBIJZMIGAZHW-UHFFFAOYSA-N 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 7
- 239000003153 chemical reaction reagent Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 6
- 235000019253 formic acid Nutrition 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 6
- 230000007062 hydrolysis Effects 0.000 description 6
- 238000006460 hydrolysis reaction Methods 0.000 description 6
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 6
- 125000003118 aryl group Chemical group 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- ICRFTBHKBZHNBZ-NSHDSACASA-N methyl (4s)-4-amino-6-fluoro-2,3-dihydrochromene-4-carboxylate Chemical compound C1=C(F)C=C2[C@@](C(=O)OC)(N)CCOC2=C1 ICRFTBHKBZHNBZ-NSHDSACASA-N 0.000 description 5
- ICRFTBHKBZHNBZ-UHFFFAOYSA-N methyl 4-amino-6-fluoro-2,3-dihydrochromene-4-carboxylate Chemical compound C1=C(F)C=C2C(C(=O)OC)(N)CCOC2=C1 ICRFTBHKBZHNBZ-UHFFFAOYSA-N 0.000 description 5
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 150000003512 tertiary amines Chemical class 0.000 description 5
- 229940086542 triethylamine Drugs 0.000 description 5
- KWGRBVOPPLSCSI-WPRPVWTQSA-N (-)-ephedrine Chemical compound CN[C@@H](C)[C@H](O)C1=CC=CC=C1 KWGRBVOPPLSCSI-WPRPVWTQSA-N 0.000 description 4
- IEJPPSMHUUQABK-UHFFFAOYSA-N 2,4-diphenyl-4h-1,3-oxazol-5-one Chemical compound O=C1OC(C=2C=CC=CC=2)=NC1C1=CC=CC=C1 IEJPPSMHUUQABK-UHFFFAOYSA-N 0.000 description 4
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 238000005804 alkylation reaction Methods 0.000 description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- 229910052740 iodine Chemical group 0.000 description 4
- BGIJXHNCUBTVDQ-OJYJAAIMSA-N methyl (2r)-4-amino-6-fluoro-2-methyl-2,3-dihydrochromene-4-carboxylate Chemical compound C1=C(F)C=C2C(C(=O)OC)(N)C[C@@H](C)OC2=C1 BGIJXHNCUBTVDQ-OJYJAAIMSA-N 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 238000004809 thin layer chromatography Methods 0.000 description 4
- DBEYNBHRSXVDML-ZJGHLTBISA-N (2r)-4-(carbamoylamino)-6-fluoro-2-methyl-2,3-dihydrochromene-4-carboxylic acid Chemical compound FC1=CC=C2O[C@H](C)CC(NC(N)=O)(C(O)=O)C2=C1 DBEYNBHRSXVDML-ZJGHLTBISA-N 0.000 description 3
- QAHZIGHCEBUNGT-QMGFNSACSA-N (5r,6s,7s,8r,9r)-6,7,8-trihydroxy-9-(hydroxymethyl)-1,3-diazaspiro[4.5]decane-2,4-dione Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)C[C@]11C(=O)NC(=O)N1 QAHZIGHCEBUNGT-QMGFNSACSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 3
- PHNLPIKGAKYXOX-UHFFFAOYSA-N 2-benzamido-2-[2-(2-bromoethoxy)-5-fluorophenyl]acetic acid Chemical compound C(C1=CC=CC=C1)(=O)NC(C1=C(C=CC(=C1)F)OCCBr)C(=O)O PHNLPIKGAKYXOX-UHFFFAOYSA-N 0.000 description 3
- PLFOGGJHQOVQAF-UHFFFAOYSA-N 4-(carbamoylamino)-6-fluoro-2,3-dihydrochromene-4-carboxylic acid Chemical compound C1=C(F)C=C2C(NC(=O)N)(C(O)=O)CCOC2=C1 PLFOGGJHQOVQAF-UHFFFAOYSA-N 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-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
- 150000008065 acid anhydrides Chemical class 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 230000029936 alkylation Effects 0.000 description 3
- 239000001099 ammonium carbonate Substances 0.000 description 3
- 229940059913 ammonium carbonate Drugs 0.000 description 3
- 235000012501 ammonium carbonate Nutrition 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical group 0.000 description 3
- 239000005457 ice water Substances 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000011630 iodine Chemical group 0.000 description 3
- 229940098779 methanesulfonic acid Drugs 0.000 description 3
- 239000012044 organic layer Substances 0.000 description 3
- GKKCIDNWFBPDBW-UHFFFAOYSA-M potassium cyanate Chemical compound [K]OC#N GKKCIDNWFBPDBW-UHFFFAOYSA-M 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- ZVCDLGYNFYZZOK-UHFFFAOYSA-M sodium cyanate Chemical compound [Na]OC#N ZVCDLGYNFYZZOK-UHFFFAOYSA-M 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000003039 volatile agent Substances 0.000 description 3
- XINQFOMFQFGGCQ-UHFFFAOYSA-L (2-dodecoxy-2-oxoethyl)-[6-[(2-dodecoxy-2-oxoethyl)-dimethylazaniumyl]hexyl]-dimethylazanium;dichloride Chemical compound [Cl-].[Cl-].CCCCCCCCCCCCOC(=O)C[N+](C)(C)CCCCCC[N+](C)(C)CC(=O)OCCCCCCCCCCCC XINQFOMFQFGGCQ-UHFFFAOYSA-L 0.000 description 2
- PAAZPARNPHGIKF-UHFFFAOYSA-N 1,2-dibromoethane Chemical compound BrCCBr PAAZPARNPHGIKF-UHFFFAOYSA-N 0.000 description 2
- NMITXSPJSHCLIK-SSDOTTSWSA-N 1-[(2r)-1-bromopropan-2-yl]oxy-4-fluorobenzene Chemical compound BrC[C@@H](C)OC1=CC=C(F)C=C1 NMITXSPJSHCLIK-SSDOTTSWSA-N 0.000 description 2
- QDKWLJJOYIFEBS-UHFFFAOYSA-N 1-fluoro-4-$l^{1}-oxidanylbenzene Chemical group [O]C1=CC=C(F)C=C1 QDKWLJJOYIFEBS-UHFFFAOYSA-N 0.000 description 2
- VEJVMXDLMISMQY-UHFFFAOYSA-N 1-fluoro-4-(2-iodoethoxy)benzene Chemical compound FC1=CC=C(OCCI)C=C1 VEJVMXDLMISMQY-UHFFFAOYSA-N 0.000 description 2
- INCXBLGDXJCKRU-UHFFFAOYSA-N 2-acetamido-2-[2-(2-bromoethoxy)-5-fluorophenyl]acetic acid Chemical compound C(C)(=O)NC(C1=C(C=CC(=C1)F)OCCBr)C(=O)O INCXBLGDXJCKRU-UHFFFAOYSA-N 0.000 description 2
- FYWDUQCSMYWUHV-UHFFFAOYSA-N 3-chloro-5-hydroxypentan-2-one Chemical compound CC(=O)C(Cl)CCO FYWDUQCSMYWUHV-UHFFFAOYSA-N 0.000 description 2
- QCQCHGYLTSGIGX-GHXANHINSA-N 4-[[(3ar,5ar,5br,7ar,9s,11ar,11br,13as)-5a,5b,8,8,11a-pentamethyl-3a-[(5-methylpyridine-3-carbonyl)amino]-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3h-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid Chemical compound N([C@@]12CC[C@@]3(C)[C@]4(C)CC[C@H]5C(C)(C)[C@@H](OC(=O)CC(C)(C)C(O)=O)CC[C@]5(C)[C@H]4CC[C@@H]3C1=C(C(C2)=O)C(C)C)C(=O)C1=CN=CC(C)=C1 QCQCHGYLTSGIGX-GHXANHINSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- 239000005711 Benzoic acid Substances 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 235000019502 Orange oil Nutrition 0.000 description 2
- 108091005804 Peptidases Proteins 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- LOUPRKONTZGTKE-WZBLMQSHSA-N Quinine Chemical compound C([C@H]([C@H](C1)C=C)C2)C[N@@]1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OC)C=C21 LOUPRKONTZGTKE-WZBLMQSHSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000000010 aprotic solvent Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 235000010233 benzoic acid Nutrition 0.000 description 2
- RRKTZKIUPZVBMF-IBTVXLQLSA-N brucine Chemical compound O([C@@H]1[C@H]([C@H]2C3)[C@@H]4N(C(C1)=O)C=1C=C(C(=CC=11)OC)OC)CC=C2CN2[C@@H]3[C@]41CC2 RRKTZKIUPZVBMF-IBTVXLQLSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- PFKFTWBEEFSNDU-UHFFFAOYSA-N carbonyldiimidazole Chemical compound C1=CN=CN1C(=O)N1C=CN=C1 PFKFTWBEEFSNDU-UHFFFAOYSA-N 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 150000007942 carboxylates Chemical class 0.000 description 2
- 239000012230 colorless oil Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000000921 elemental analysis Methods 0.000 description 2
- 230000002255 enzymatic effect Effects 0.000 description 2
- HHLFWLYXYJOTON-UHFFFAOYSA-N glyoxylic acid Chemical compound OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 description 2
- 150000007529 inorganic bases Chemical class 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- BGIJXHNCUBTVDQ-KRTXAFLBSA-N methyl (2r,4s)-4-amino-6-fluoro-2-methyl-2,3-dihydrochromene-4-carboxylate Chemical compound C1=C(F)C=C2[C@@](C(=O)OC)(N)C[C@@H](C)OC2=C1 BGIJXHNCUBTVDQ-KRTXAFLBSA-N 0.000 description 2
- QNPWAEDVWCGABQ-UHFFFAOYSA-N methyl 3,4-dihydro-2h-chromene-4-carboxylate Chemical compound C1=CC=C2C(C(=O)OC)CCOC2=C1 QNPWAEDVWCGABQ-UHFFFAOYSA-N 0.000 description 2
- 150000004702 methyl esters Chemical class 0.000 description 2
- PYLWMHQQBFSUBP-UHFFFAOYSA-N monofluorobenzene Chemical compound FC1=CC=CC=C1 PYLWMHQQBFSUBP-UHFFFAOYSA-N 0.000 description 2
- 239000010502 orange oil 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
- 229920000137 polyphosphoric acid Polymers 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
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- PNXWJPITIBTSLJ-UHFFFAOYSA-N 1-(2-chloroethoxy)-4-fluorobenzene Chemical compound FC1=CC=C(OCCCl)C=C1 PNXWJPITIBTSLJ-UHFFFAOYSA-N 0.000 description 1
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- UYHBRURMWZNOOU-UHFFFAOYSA-N 2-[n-benzoyl-5-fluoro-2-(2-iodoethoxy)anilino]acetic acid Chemical compound C=1C(F)=CC=C(OCCI)C=1N(CC(=O)O)C(=O)C1=CC=CC=C1 UYHBRURMWZNOOU-UHFFFAOYSA-N 0.000 description 1
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- APLOGJBOKITUFV-UHFFFAOYSA-N 2-benzamido-2-[2-(2-chloroethoxy)-5-fluorophenyl]acetic acid Chemical compound C(C1=CC=CC=C1)(=O)NC(C1=C(C=CC(=C1)F)OCCCl)C(=O)O APLOGJBOKITUFV-UHFFFAOYSA-N 0.000 description 1
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- MSTDXOZUKAQDRL-UHFFFAOYSA-N 4-Chromanone Chemical compound C1=CC=C2C(=O)CCOC2=C1 MSTDXOZUKAQDRL-UHFFFAOYSA-N 0.000 description 1
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- RPAIBTVEPAACRP-UHFFFAOYSA-N 6-fluoro-2-methyl-2,3-dihydrochromen-4-one Chemical compound FC1=CC=C2OC(C)CC(=O)C2=C1 RPAIBTVEPAACRP-UHFFFAOYSA-N 0.000 description 1
- KQUSNUBHADVPBO-UHFFFAOYSA-N 6-fluoro-2-methyl-3,4-dihydro-2h-chromen-4-amine Chemical compound FC1=CC=C2OC(C)CC(N)C2=C1 KQUSNUBHADVPBO-UHFFFAOYSA-N 0.000 description 1
- SAXNXTGVOFQJRX-UHFFFAOYSA-N 6-fluoro-3,4-dihydro-2h-chromene-4-carboxylic acid Chemical compound C1=C(F)C=C2C(C(=O)O)CCOC2=C1 SAXNXTGVOFQJRX-UHFFFAOYSA-N 0.000 description 1
- LXANPKRCLVQAOG-UHFFFAOYSA-N 6-fluorospiro[2,3-dihydrochromene-4,5'-imidazolidine]-2',4'-dione Chemical compound C12=CC(F)=CC=C2OCCC21NC(=O)NC2=O LXANPKRCLVQAOG-UHFFFAOYSA-N 0.000 description 1
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- 235000001258 Cinchona calisaya Nutrition 0.000 description 1
- 208000032131 Diabetic Neuropathies Diseases 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 238000001321 HNCO Methods 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 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
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000003820 Medium-pressure liquid chromatography Methods 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- SUAKHGWARZSWIH-UHFFFAOYSA-N N,N‐diethylformamide Chemical compound CCN(CC)C=O SUAKHGWARZSWIH-UHFFFAOYSA-N 0.000 description 1
- NPWGWQRXHVJJRD-UHFFFAOYSA-N N-hydroxyglycine Chemical compound ONCC(O)=O NPWGWQRXHVJJRD-UHFFFAOYSA-N 0.000 description 1
- 108010049175 N-substituted Glycines Proteins 0.000 description 1
- 102000035195 Peptidases Human genes 0.000 description 1
- 239000004365 Protease Substances 0.000 description 1
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 101150029512 SCG2 gene Proteins 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000003288 aldose reductase inhibitor Substances 0.000 description 1
- 229940090865 aldose reductase inhibitors used in diabetes Drugs 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 239000002168 alkylating agent Substances 0.000 description 1
- 229940100198 alkylating agent Drugs 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
- NDKBVBUGCNGSJJ-UHFFFAOYSA-M benzyltrimethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)CC1=CC=CC=C1 NDKBVBUGCNGSJJ-UHFFFAOYSA-M 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 125000006014 bromoethoxy group Chemical group 0.000 description 1
- RRKTZKIUPZVBMF-UHFFFAOYSA-N brucine Natural products C1=2C=C(OC)C(OC)=CC=2N(C(C2)=O)C3C(C4C5)C2OCC=C4CN2C5C31CC2 RRKTZKIUPZVBMF-UHFFFAOYSA-N 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 125000001589 carboacyl group Chemical group 0.000 description 1
- 150000001718 carbodiimides Chemical group 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- VZWXIQHBIQLMPN-UHFFFAOYSA-N chromane Chemical compound C1=CC=C2CCCOC2=C1 VZWXIQHBIQLMPN-UHFFFAOYSA-N 0.000 description 1
- LOUPRKONTZGTKE-UHFFFAOYSA-N cinchonine Natural products C1C(C(C2)C=C)CCN2C1C(O)C1=CC=NC2=CC=C(OC)C=C21 LOUPRKONTZGTKE-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 201000007025 diabetic cataract Diseases 0.000 description 1
- FAMRKDQNMBBFBR-BQYQJAHWSA-N diethyl azodicarboxylate Substances CCOC(=O)\N=N\C(=O)OCC FAMRKDQNMBBFBR-BQYQJAHWSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 229940088598 enzyme Drugs 0.000 description 1
- 229960002179 ephedrine Drugs 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- LZCLXQDLBQLTDK-BYPYZUCNSA-N ethyl (2S)-lactate Chemical compound CCOC(=O)[C@H](C)O LZCLXQDLBQLTDK-BYPYZUCNSA-N 0.000 description 1
- 229940116333 ethyl lactate Drugs 0.000 description 1
- FAMRKDQNMBBFBR-UHFFFAOYSA-N ethyl n-ethoxycarbonyliminocarbamate Chemical compound CCOC(=O)N=NC(=O)OCC FAMRKDQNMBBFBR-UHFFFAOYSA-N 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 125000001207 fluorophenyl group Chemical group 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 description 1
- 229940091173 hydantoin Drugs 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012280 lithium aluminium hydride Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- IGMKHLRKJOTJCQ-UHLUBPPHSA-N methyl (2r,4s)-4-(carbamoylamino)-6-fluoro-2-methyl-2,3-dihydrochromene-4-carboxylate Chemical compound C1=C(F)C=C2[C@@](C(=O)OC)(NC(N)=O)C[C@@H](C)OC2=C1 IGMKHLRKJOTJCQ-UHLUBPPHSA-N 0.000 description 1
- IYGDYBHXXNMSHY-LBPRGKRZSA-N methyl (4s)-4-(carbamoylamino)-6-fluoro-2,3-dihydrochromene-4-carboxylate Chemical compound C1=C(F)C=C2[C@@](C(=O)OC)(NC(N)=O)CCOC2=C1 IYGDYBHXXNMSHY-LBPRGKRZSA-N 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 230000007823 neuropathy Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 125000000286 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
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- WYVAMUWZEOHJOQ-UHFFFAOYSA-N propionic anhydride Chemical compound CCC(=O)OC(=O)CC WYVAMUWZEOHJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000013014 purified material Substances 0.000 description 1
- 229960000948 quinine Drugs 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000011369 resultant mixture Substances 0.000 description 1
- ONJSZLXSECQROL-UHFFFAOYSA-N salicyluric acid Chemical compound OC(=O)CNC(=O)C1=CC=CC=C1O ONJSZLXSECQROL-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000000707 stereoselective effect Effects 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/10—Spiro-condensed systems
-
- 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
- C07D311/74—Benzo[b]pyrans, hydrogenated in the carbocyclic ring
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (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)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Plural Heterocyclic Compounds (AREA)
- Coloring (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Pens And Brushes (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pyrane Compounds (AREA)
- Indole Compounds (AREA)
- Cosmetics (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US64200884A | 1984-08-20 | 1984-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PH26782A true PH26782A (en) | 1992-10-13 |
Family
ID=24574782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PH32670A PH26782A (en) | 1984-08-20 | 1985-08-20 | Process for the production of asymmetric hydantoins |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US4716113A (fr) |
| EP (1) | EP0172719B1 (fr) |
| JP (2) | JPS6157588A (fr) |
| KR (1) | KR870000628B1 (fr) |
| AT (1) | ATE37371T1 (fr) |
| AU (1) | AU556793B2 (fr) |
| DD (2) | DD240207A5 (fr) |
| DE (1) | DE3565105D1 (fr) |
| DK (1) | DK374985A (fr) |
| EG (1) | EG17060A (fr) |
| ES (1) | ES8700259A1 (fr) |
| FI (1) | FI853183L (fr) |
| GR (1) | GR851993B (fr) |
| HU (3) | HU193127B (fr) |
| IL (1) | IL76131A (fr) |
| NO (1) | NO853254L (fr) |
| NZ (1) | NZ213128A (fr) |
| PH (1) | PH26782A (fr) |
| PL (2) | PL147253B1 (fr) |
| PT (1) | PT80985B (fr) |
| YU (1) | YU43879B (fr) |
| ZA (1) | ZA856267B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4952694A (en) * | 1988-07-27 | 1990-08-28 | Pfizer Inc. | Novel resolution process for racemic spiro-hydantoins |
| US5006657A (en) * | 1988-07-27 | 1991-04-09 | Pfizer Inc. | Intermediates in a resolution process for racemic spiro hydantoins |
| US5151544A (en) * | 1990-05-25 | 1992-09-29 | Alcon Laboratories, Inc. | Intermediates in the preparation of chiral spirofluorenehydantoins |
| US5206367A (en) * | 1992-02-18 | 1993-04-27 | Pfizer Inc. | Preparation of optically active spiro-hydantoins |
| US5508466A (en) * | 1994-04-13 | 1996-04-16 | G.D. Searle & Co. | Synthesis of N-protected-α-substituted-glycine racemic esters by zinc-mediated addition of organic halide to glycine cation equivalent |
| US9839701B2 (en) | 2013-02-12 | 2017-12-12 | Osaka University | Aromatic amino acid derivative and positron emission topography (PET) probe using the same |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3878043A (en) * | 1973-01-02 | 1975-04-15 | Univ Southern Illinois | Method for preparing L-dopa and novels compounds useful therein |
| DE2336718A1 (de) * | 1973-07-19 | 1975-02-06 | Basf Ag | Verfahren zur herstellung von substituierten oxazolinon-(5)-verbindungen |
| US4117230A (en) * | 1976-10-18 | 1978-09-26 | Pfizer Inc. | Hydantoin derivatives as therapeutic agents |
| US4130714A (en) * | 1977-05-23 | 1978-12-19 | Pfizer Inc. | Hydantoin therapeutic agents |
| DE2807286A1 (de) * | 1978-02-21 | 1979-08-23 | Bayer Ag | Stereoselektive spaltung von phenylglycinderivaten und 4-hydroxyphenylglycinderivaten mit enzymharzen |
| US4267342A (en) * | 1978-08-21 | 1981-05-12 | Pfizer Inc. | Spiro-oxazolidindiones |
| US4262092A (en) * | 1979-05-08 | 1981-04-14 | Ethyl Corporation | Process for producing N-acyl-D-phenylalanine ester |
| DE2927535A1 (de) * | 1979-07-07 | 1981-01-08 | Bayer Ag | Stereoselektive spaltung von phenylglycinderivaten mit enzymharzen |
| DE2927534A1 (de) * | 1979-07-07 | 1981-01-08 | Bayer Ag | Optisch reine heterocyclische aminosaeuren, verfahren zu ihrer herstellung und ihre verwendung |
| US4248882A (en) * | 1980-02-12 | 1981-02-03 | Pfizer Inc. | Treating diabetes-associated complications with hydantoin amines |
| JPS5745185A (en) * | 1980-07-21 | 1982-03-13 | Eisai Co Ltd | Hydantoin derivative and its preparation |
| GB2098212B (en) * | 1981-05-12 | 1984-11-14 | Ici Plc | Process for preparing 1'-substituted-spiro(imidazolidine)-4,3'-indoline-2,2',5-triones |
| US4435578A (en) * | 1982-11-10 | 1984-03-06 | Pfizer Inc. | Sorbinil by optical resolution of precursor 6-fluoro-4-ureidochroman-4-carboxylic acid |
| US4474967A (en) * | 1983-04-27 | 1984-10-02 | Pfizer Inc. | 8-Deutero and 8-tritio-substituted derivatives of D-4S-6-fluoro-spiro-[chroman-4,4'-imidazolidine]-2',5'-dione |
| US4464380A (en) * | 1983-05-25 | 1984-08-07 | Pfizer Inc. | Imidazolidinedione derivatives |
-
1985
- 1985-08-13 EP EP85305724A patent/EP0172719B1/fr not_active Expired
- 1985-08-13 DE DE8585305724T patent/DE3565105D1/de not_active Expired
- 1985-08-13 AT AT85305724T patent/ATE37371T1/de not_active IP Right Cessation
- 1985-08-16 GR GR851993A patent/GR851993B/el unknown
- 1985-08-16 JP JP60180396A patent/JPS6157588A/ja active Granted
- 1985-08-16 NZ NZ213128A patent/NZ213128A/en unknown
- 1985-08-17 HU HU853185A patent/HU193127B/hu not_active IP Right Cessation
- 1985-08-17 HU HU87630A patent/HU194857B/hu not_active IP Right Cessation
- 1985-08-17 HU HU864033A patent/HU201042B/hu not_active IP Right Cessation
- 1985-08-19 YU YU1319/85A patent/YU43879B/xx unknown
- 1985-08-19 DK DK374985A patent/DK374985A/da not_active Application Discontinuation
- 1985-08-19 NO NO853254A patent/NO853254L/no unknown
- 1985-08-19 FI FI853183A patent/FI853183L/fi not_active Application Discontinuation
- 1985-08-19 IL IL76131A patent/IL76131A/xx unknown
- 1985-08-19 DD DD85279813A patent/DD240207A5/de not_active IP Right Cessation
- 1985-08-19 PT PT80985A patent/PT80985B/pt not_active IP Right Cessation
- 1985-08-19 PL PL1985260564A patent/PL147253B1/pl unknown
- 1985-08-19 AU AU46414/85A patent/AU556793B2/en not_active Ceased
- 1985-08-19 ZA ZA856267A patent/ZA856267B/xx unknown
- 1985-08-19 EG EG516/85A patent/EG17060A/xx active
- 1985-08-19 KR KR1019850005969A patent/KR870000628B1/ko not_active IP Right Cessation
- 1985-08-19 PL PL1985255065A patent/PL148572B1/pl unknown
- 1985-08-19 DD DD85295403A patent/DD254005A5/de not_active IP Right Cessation
- 1985-08-20 ES ES546294A patent/ES8700259A1/es not_active Expired
- 1985-08-20 PH PH32670A patent/PH26782A/en unknown
-
1986
- 1986-03-31 US US06/846,383 patent/US4716113A/en not_active Expired - Lifetime
-
1988
- 1988-04-26 JP JP63103727A patent/JPS63290873A/ja active Pending
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