CA1069520A - PROCESS FOR THE PRODUCTION OF BICYCLIC 3.alpha.-HYDROXY LACTONE INTERMEDIATES USEFUL IN THE PREPARATION OF PROSTAGIANDIN_TYPE COMPOUNDS - Google Patents
PROCESS FOR THE PRODUCTION OF BICYCLIC 3.alpha.-HYDROXY LACTONE INTERMEDIATES USEFUL IN THE PREPARATION OF PROSTAGIANDIN_TYPE COMPOUNDSInfo
- Publication number
- CA1069520A CA1069520A CA247,329A CA247329A CA1069520A CA 1069520 A CA1069520 A CA 1069520A CA 247329 A CA247329 A CA 247329A CA 1069520 A CA1069520 A CA 1069520A
- Authority
- CA
- Canada
- Prior art keywords
- process according
- formula
- fluoro
- oxo
- trans
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 74
- 230000008569 process Effects 0.000 title claims abstract description 45
- 150000001875 compounds Chemical class 0.000 title abstract description 50
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000000543 intermediate Substances 0.000 title description 7
- 238000004519 manufacturing process Methods 0.000 title description 3
- -1 bicyclic lactones Chemical class 0.000 claims abstract description 22
- 150000002596 lactones Chemical group 0.000 claims abstract description 21
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 19
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 17
- 125000001153 fluoro group Chemical group F* 0.000 claims description 16
- 239000011591 potassium Substances 0.000 claims description 16
- 229910052700 potassium Inorganic materials 0.000 claims description 16
- 239000001257 hydrogen Substances 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- 125000004432 carbon atom Chemical group C* 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 9
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 125000004973 1-butenyl group Chemical group C(=CCC)* 0.000 claims description 2
- 125000001246 bromo group Chemical group Br* 0.000 claims description 2
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 5
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 11
- 230000003334 potential effect Effects 0.000 abstract 1
- 235000013350 formula milk Nutrition 0.000 description 62
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 42
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 28
- 238000006243 chemical reaction Methods 0.000 description 24
- 230000000875 corresponding effect Effects 0.000 description 20
- 239000000047 product Substances 0.000 description 16
- 150000003180 prostaglandins Chemical class 0.000 description 16
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 15
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 15
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 14
- 235000007686 potassium Nutrition 0.000 description 14
- 229960003975 potassium Drugs 0.000 description 14
- 239000000243 solution Substances 0.000 description 14
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 13
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 11
- 239000007795 chemical reaction product Substances 0.000 description 10
- 238000006722 reduction reaction Methods 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 229910000085 borane Inorganic materials 0.000 description 9
- 238000000605 extraction Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000002425 crystallisation Methods 0.000 description 8
- 230000008025 crystallization Effects 0.000 description 8
- 239000007858 starting material Substances 0.000 description 8
- 238000004809 thin layer chromatography Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 6
- 239000003085 diluting agent Substances 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 239000012074 organic phase Substances 0.000 description 6
- 229940094443 oxytocics prostaglandins Drugs 0.000 description 6
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- PXGPLTODNUVGFL-BRIYLRKRSA-N (E,Z)-(1R,2R,3R,5S)-7-(3,5-Dihydroxy-2-((3S)-(3-hydroxy-1-octenyl))cyclopentyl)-5-heptenoic acid Chemical compound CCCCC[C@H](O)C=C[C@H]1[C@H](O)C[C@H](O)[C@@H]1CC=CCCCC(O)=O PXGPLTODNUVGFL-BRIYLRKRSA-N 0.000 description 5
- GWEHVDNNLFDJLR-UHFFFAOYSA-N 1,3-diphenylurea Chemical compound C=1C=CC=CC=1NC(=O)NC1=CC=CC=C1 GWEHVDNNLFDJLR-UHFFFAOYSA-N 0.000 description 5
- 230000009102 absorption Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- YVHAIVPPUIZFBA-UHFFFAOYSA-N Cyclopentylacetic acid Chemical compound OC(=O)CC1CCCC1 YVHAIVPPUIZFBA-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- NTTOTNSKUYCDAV-UHFFFAOYSA-N potassium hydride Chemical compound [KH] NTTOTNSKUYCDAV-UHFFFAOYSA-N 0.000 description 4
- 229910000105 potassium hydride Inorganic materials 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- YUPAWYWJNZDARM-UHFFFAOYSA-N tri(butan-2-yl)borane Chemical compound CCC(C)B(C(C)CC)C(C)CC YUPAWYWJNZDARM-UHFFFAOYSA-N 0.000 description 4
- PEQMJVGRHNZPAM-UHFFFAOYSA-N 1,4-dichloro-2-isocyanatobenzene Chemical compound ClC1=CC=C(Cl)C(N=C=O)=C1 PEQMJVGRHNZPAM-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000012312 sodium hydride Substances 0.000 description 3
- 229910000104 sodium hydride Inorganic materials 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 229940083608 sodium hydroxide Drugs 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- LUBJCRLGQSPQNN-UHFFFAOYSA-N 1-Phenylurea Chemical class NC(=O)NC1=CC=CC=C1 LUBJCRLGQSPQNN-UHFFFAOYSA-N 0.000 description 2
- 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 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 125000002619 bicyclic group Chemical group 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 2
- 238000013375 chromatographic separation Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000002027 dichloromethane extract Substances 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- XNBKKRFABABBPM-UHFFFAOYSA-N n,n-diphenylcarbamoyl chloride Chemical class C=1C=CC=CC=1N(C(=O)Cl)C1=CC=CC=C1 XNBKKRFABABBPM-UHFFFAOYSA-N 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 230000000144 pharmacologic effect Effects 0.000 description 2
- DGTNSSLYPYDJGL-UHFFFAOYSA-N phenyl isocyanate Chemical class O=C=NC1=CC=CC=C1 DGTNSSLYPYDJGL-UHFFFAOYSA-N 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Inorganic materials [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000010898 silica gel chromatography Methods 0.000 description 2
- 235000015424 sodium Nutrition 0.000 description 2
- 229940083542 sodium Drugs 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229940086542 triethylamine Drugs 0.000 description 2
- 238000002211 ultraviolet spectrum Methods 0.000 description 2
- CZQIJQFTRGDODI-UHFFFAOYSA-N 1-bromo-4-isocyanatobenzene Chemical compound BrC1=CC=C(N=C=O)C=C1 CZQIJQFTRGDODI-UHFFFAOYSA-N 0.000 description 1
- FMYVTFRADSNGDN-UHFFFAOYSA-N 1-ethoxy-4-isocyanatobenzene Chemical compound CCOC1=CC=C(N=C=O)C=C1 FMYVTFRADSNGDN-UHFFFAOYSA-N 0.000 description 1
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical class CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 1
- BSKHPKMHTQYZBB-UHFFFAOYSA-N 2-methylpyridine Chemical class CC1=CC=CC=N1 BSKHPKMHTQYZBB-UHFFFAOYSA-N 0.000 description 1
- XNLWJFYYOIRPIO-UHFFFAOYSA-N 3-phenylbenzoic acid Chemical compound OC(=O)C1=CC=CC(C=2C=CC=CC=2)=C1 XNLWJFYYOIRPIO-UHFFFAOYSA-N 0.000 description 1
- MGYGFNQQGAQEON-UHFFFAOYSA-N 4-tolyl isocyanate Chemical compound CC1=CC=C(N=C=O)C=C1 MGYGFNQQGAQEON-UHFFFAOYSA-N 0.000 description 1
- 101100515516 Arabidopsis thaliana XI-H gene Proteins 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 241000160765 Erebia ligea Species 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 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
- 238000000862 absorption spectrum Methods 0.000 description 1
- HLXRZYLAIAUSEI-UHFFFAOYSA-N acetic acid ethyl acetate 2,2,4-trimethylpentane hydrate Chemical compound O.CC(O)=O.CCOC(C)=O.CC(C)CC(C)(C)C HLXRZYLAIAUSEI-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- JCSGAUKCDAVARS-SOUFLCLCSA-N chembl2106517 Chemical compound C1([C@@H](O)[C@H]2C3)=CC=CC(O)=C1C(=O)C2=C(O)[C@@]1(O)[C@@H]3[C@H](N(C)C)C(O)=C(C(N)=O)C1=O JCSGAUKCDAVARS-SOUFLCLCSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000332 continued effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- GABQKHQNXWNJJJ-UHFFFAOYSA-N diphenylcarbamic acid Chemical compound C=1C=CC=CC=1N(C(=O)O)C1=CC=CC=C1 GABQKHQNXWNJJJ-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000002024 ethyl acetate extract Substances 0.000 description 1
- RGLJNFKWUYDVBI-UHFFFAOYSA-N ethyl n-(4-methylphenyl)carbamate Chemical class CCOC(=O)NC1=CC=C(C)C=C1 RGLJNFKWUYDVBI-UHFFFAOYSA-N 0.000 description 1
- LBKPGNUOUPTQKA-UHFFFAOYSA-N ethyl n-phenylcarbamate Chemical compound CCOC(=O)NC1=CC=CC=C1 LBKPGNUOUPTQKA-UHFFFAOYSA-N 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229940087305 limonene Drugs 0.000 description 1
- 235000001510 limonene Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229940006116 lithium hydroxide Drugs 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- WGJJROVFWIXTPA-OALUTQOASA-N prostanoic acid Chemical class CCCCCCCC[C@H]1CCC[C@@H]1CCCCCCC(O)=O WGJJROVFWIXTPA-OALUTQOASA-N 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 230000000707 stereoselective effect Effects 0.000 description 1
- 238000011916 stereoselective reduction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/93—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
- C07D307/935—Not further condensed cyclopenta [b] furans or hydrogenated cyclopenta [b] furans
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C405/00—Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins ; Analogues or derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56596275A | 1975-04-07 | 1975-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1069520A true CA1069520A (en) | 1980-01-08 |
Family
ID=24260841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA247,329A Expired CA1069520A (en) | 1975-04-07 | 1976-03-05 | PROCESS FOR THE PRODUCTION OF BICYCLIC 3.alpha.-HYDROXY LACTONE INTERMEDIATES USEFUL IN THE PREPARATION OF PROSTAGIANDIN_TYPE COMPOUNDS |
Country Status (14)
-
1976
- 1976-02-25 SE SE7602349A patent/SE424866B/xx not_active IP Right Cessation
- 1976-03-03 MX MX000033U patent/MX3325E/es unknown
- 1976-03-05 CA CA247,329A patent/CA1069520A/en not_active Expired
- 1976-03-10 GB GB9505/76A patent/GB1498764A/en not_active Expired
- 1976-03-11 ZA ZA761506A patent/ZA761506B/xx unknown
- 1976-03-22 CH CH355576A patent/CH621548A5/de not_active IP Right Cessation
- 1976-03-23 JP JP51030920A patent/JPS6028835B2/ja not_active Expired
- 1976-03-29 DE DE19762613306 patent/DE2613306A1/de active Granted
- 1976-04-06 NL NL7603568A patent/NL7603568A/xx not_active Application Discontinuation
- 1976-04-06 FR FR7609952A patent/FR2306985A1/fr active Granted
- 1976-04-06 DK DK163076A patent/DK163076A/da not_active IP Right Cessation
- 1976-04-06 HU HU76UO117A patent/HU174651B/hu not_active IP Right Cessation
- 1976-04-07 PL PL1976188562A patent/PL104354B1/pl unknown
- 1976-04-07 BE BE165923A patent/BE840477A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1498764A (en) | 1978-01-25 |
| JPS51118758A (en) | 1976-10-18 |
| SE424866B (sv) | 1982-08-16 |
| MX3325E (es) | 1980-09-26 |
| PL104354B1 (pl) | 1979-08-31 |
| SE7602349L (sv) | 1976-10-08 |
| FR2306985B1 (enrdf_load_stackoverflow) | 1980-01-25 |
| NL7603568A (nl) | 1976-10-11 |
| BE840477A (fr) | 1976-10-07 |
| DE2613306A1 (de) | 1976-10-21 |
| ZA761506B (en) | 1977-03-30 |
| HU174651B (hu) | 1980-02-28 |
| AU1198676A (en) | 1977-09-22 |
| DE2613306C2 (enrdf_load_stackoverflow) | 1987-08-13 |
| JPS6028835B2 (ja) | 1985-07-06 |
| FR2306985A1 (fr) | 1976-11-05 |
| CH621548A5 (en) | 1981-02-13 |
| DK163076A (da) | 1976-10-08 |
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| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |