CA2550659A1 - Procedes de production de 9,11-epoxy steroides et intermediaires appropries a cet effet - Google Patents
Procedes de production de 9,11-epoxy steroides et intermediaires appropries a cet effet Download PDFInfo
- Publication number
- CA2550659A1 CA2550659A1 CA002550659A CA2550659A CA2550659A1 CA 2550659 A1 CA2550659 A1 CA 2550659A1 CA 002550659 A CA002550659 A CA 002550659A CA 2550659 A CA2550659 A CA 2550659A CA 2550659 A1 CA2550659 A1 CA 2550659A1
- Authority
- CA
- Canada
- Prior art keywords
- formula
- group
- compound
- hydroxy
- hydrogen
- 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
- 238000000034 method Methods 0.000 title abstract description 184
- 239000000543 intermediate Substances 0.000 title abstract description 104
- 230000008569 process Effects 0.000 title description 135
- 238000002360 preparation method Methods 0.000 title description 65
- 150000003431 steroids Chemical class 0.000 title description 31
- 239000004593 Epoxy Substances 0.000 title description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 517
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 163
- 239000001257 hydrogen Substances 0.000 claims abstract description 161
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract description 102
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 78
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 63
- 125000004093 cyano group Chemical group *C#N 0.000 claims abstract description 45
- 125000004183 alkoxy alkyl group Chemical group 0.000 claims abstract description 39
- 125000004104 aryloxy group Chemical group 0.000 claims abstract description 39
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims abstract description 38
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims abstract description 37
- 125000001475 halogen functional group Chemical group 0.000 claims abstract description 32
- ORTFAQDWJHRMNX-UHFFFAOYSA-N hydroxidooxidocarbon(.) Chemical group O[C]=O ORTFAQDWJHRMNX-UHFFFAOYSA-N 0.000 claims abstract description 32
- 125000000623 heterocyclic group Chemical group 0.000 claims abstract description 27
- 125000005041 acyloxyalkyl group Chemical group 0.000 claims abstract description 26
- 125000002837 carbocyclic group Chemical group 0.000 claims abstract description 26
- 125000002252 acyl group Chemical group 0.000 claims abstract description 25
- 125000004356 hydroxy functional group Chemical group O* 0.000 claims abstract 47
- -1 hydroxycarbonylalkyl Chemical group 0.000 claims description 114
- 229910052760 oxygen Inorganic materials 0.000 claims description 35
- 239000001301 oxygen Substances 0.000 claims description 34
- 150000003839 salts Chemical class 0.000 claims description 22
- 125000004423 acyloxy group Chemical group 0.000 claims description 15
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 125000005078 alkoxycarbonylalkyl group Chemical group 0.000 claims 9
- 238000006243 chemical reaction Methods 0.000 abstract description 296
- 230000015572 biosynthetic process Effects 0.000 abstract description 54
- JUKPWJGBANNWMW-VWBFHTRKSA-N eplerenone Chemical compound C([C@@H]1[C@]2(C)C[C@H]3O[C@]33[C@@]4(C)CCC(=O)C=C4C[C@H]([C@@H]13)C(=O)OC)C[C@@]21CCC(=O)O1 JUKPWJGBANNWMW-VWBFHTRKSA-N 0.000 abstract description 38
- 229960001208 eplerenone Drugs 0.000 abstract description 38
- 238000003786 synthesis reaction Methods 0.000 abstract description 35
- 239000000047 product Substances 0.000 description 148
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- 239000000758 substrate Substances 0.000 description 143
- 229960005057 canrenone Drugs 0.000 description 136
- UJVLDDZCTMKXJK-WNHSNXHDSA-N canrenone Chemical compound C([C@H]1[C@H]2[C@@H]([C@]3(CCC(=O)C=C3C=C2)C)CC[C@@]11C)C[C@@]11CCC(=O)O1 UJVLDDZCTMKXJK-WNHSNXHDSA-N 0.000 description 132
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 117
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 116
- 239000000203 mixture Substances 0.000 description 114
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 111
- 239000002904 solvent Substances 0.000 description 111
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 106
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 96
- 239000008103 glucose Substances 0.000 description 95
- 238000000855 fermentation Methods 0.000 description 82
- 230000004151 fermentation Effects 0.000 description 82
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 78
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- 238000007792 addition Methods 0.000 description 71
- 239000001963 growth medium Substances 0.000 description 64
- 239000002253 acid Substances 0.000 description 60
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 54
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 50
- 239000003153 chemical reaction reagent Substances 0.000 description 48
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- 125000005594 diketone group Chemical group 0.000 description 39
- 239000002609 medium Substances 0.000 description 38
- 229940041514 candida albicans extract Drugs 0.000 description 37
- 229910052799 carbon Inorganic materials 0.000 description 37
- 239000012138 yeast extract Substances 0.000 description 37
- 235000015097 nutrients Nutrition 0.000 description 36
- 150000002431 hydrogen Chemical class 0.000 description 34
- 244000005700 microbiome Species 0.000 description 34
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 32
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- 238000013019 agitation Methods 0.000 description 31
- 238000004809 thin layer chromatography Methods 0.000 description 31
- 230000009466 transformation Effects 0.000 description 31
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 30
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 30
- 229910052783 alkali metal Inorganic materials 0.000 description 29
- 239000002585 base Substances 0.000 description 29
- 238000000605 extraction Methods 0.000 description 28
- 238000011218 seed culture Methods 0.000 description 28
- 238000004659 sterilization and disinfection Methods 0.000 description 28
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 27
- 239000001888 Peptone Substances 0.000 description 27
- 108010080698 Peptones Proteins 0.000 description 27
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 27
- 235000019319 peptone Nutrition 0.000 description 27
- 230000001954 sterilising effect Effects 0.000 description 27
- 238000006735 epoxidation reaction Methods 0.000 description 26
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 25
- 229910052757 nitrogen Inorganic materials 0.000 description 25
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 24
- 238000004128 high performance liquid chromatography Methods 0.000 description 24
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 23
- 150000002081 enamines Chemical class 0.000 description 23
- 238000001914 filtration Methods 0.000 description 23
- 230000012010 growth Effects 0.000 description 23
- 238000005805 hydroxylation reaction Methods 0.000 description 23
- 229910052698 phosphorus Inorganic materials 0.000 description 23
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 22
- 125000005843 halogen group Chemical group 0.000 description 22
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 22
- 239000008367 deionised water Substances 0.000 description 21
- 229910021641 deionized water Inorganic materials 0.000 description 21
- 125000000468 ketone group Chemical group 0.000 description 21
- 229930194542 Keto Natural products 0.000 description 20
- AEMFNILZOJDQLW-QAGGRKNESA-N androst-4-ene-3,17-dione Chemical compound O=C1CC[C@]2(C)[C@H]3CC[C@](C)(C(CC4)=O)[C@@H]4[C@@H]3CCC2=C1 AEMFNILZOJDQLW-QAGGRKNESA-N 0.000 description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 20
- 239000000284 extract Substances 0.000 description 20
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 20
- 239000003960 organic solvent Substances 0.000 description 20
- 239000002245 particle Substances 0.000 description 20
- 238000003756 stirring Methods 0.000 description 20
- 229920001817 Agar Polymers 0.000 description 19
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 19
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 19
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 19
- 239000008272 agar Substances 0.000 description 19
- 210000004027 cell Anatomy 0.000 description 19
- 230000007062 hydrolysis Effects 0.000 description 19
- 238000006460 hydrolysis reaction Methods 0.000 description 19
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 19
- 239000012071 phase Substances 0.000 description 19
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 18
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 18
- 238000004821 distillation Methods 0.000 description 18
- 239000002054 inoculum Substances 0.000 description 18
- ADZYJDJNIBFOQE-RGKMBJPFSA-N mexrenone Chemical compound C([C@@H]1[C@]2(C)CC[C@@H]3[C@@]4(C)CCC(=O)C=C4C[C@H]([C@@H]13)C(=O)OC)C[C@@]21CCC(=O)O1 ADZYJDJNIBFOQE-RGKMBJPFSA-N 0.000 description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 17
- 240000008042 Zea mays Species 0.000 description 17
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 17
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 17
- 230000008901 benefit Effects 0.000 description 17
- 235000005822 corn Nutrition 0.000 description 17
- 238000007254 oxidation reaction Methods 0.000 description 16
- 125000001424 substituent group Chemical group 0.000 description 16
- 239000012043 crude product Substances 0.000 description 15
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- 238000005273 aeration Methods 0.000 description 14
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- 239000002028 Biomass Substances 0.000 description 13
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- 235000019253 formic acid Nutrition 0.000 description 13
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- 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 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 12
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 12
- 239000012190 activator Substances 0.000 description 12
- 229910052736 halogen Inorganic materials 0.000 description 12
- 150000002367 halogens Chemical class 0.000 description 12
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- 238000002156 mixing Methods 0.000 description 12
- 230000002829 reductive effect Effects 0.000 description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 11
- 235000019764 Soybean Meal Nutrition 0.000 description 11
- 239000003242 anti bacterial agent Substances 0.000 description 11
- 229940088710 antibiotic agent Drugs 0.000 description 11
- 239000011574 phosphorus Substances 0.000 description 11
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- UPQQXPKAYZYUKO-UHFFFAOYSA-N 2,2,2-trichloroacetamide Chemical compound OC(=N)C(Cl)(Cl)Cl UPQQXPKAYZYUKO-UHFFFAOYSA-N 0.000 description 10
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 10
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 10
- 238000005481 NMR spectroscopy Methods 0.000 description 10
- MUMGGOZAMZWBJJ-DYKIIFRCSA-N Testostosterone Chemical compound O=C1CC[C@]2(C)[C@H]3CC[C@](C)([C@H](CC4)O)[C@@H]4[C@@H]3CCC2=C1 MUMGGOZAMZWBJJ-DYKIIFRCSA-N 0.000 description 10
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- 235000011054 acetic acid Nutrition 0.000 description 9
- 239000000654 additive Substances 0.000 description 9
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 9
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- VMJNTFXCTXAXTC-UHFFFAOYSA-N 2,2-difluoro-1,3-benzodioxole-5-carbonitrile Chemical group C1=C(C#N)C=C2OC(F)(F)OC2=C1 VMJNTFXCTXAXTC-UHFFFAOYSA-N 0.000 description 8
- HZNVUJQVZSTENZ-UHFFFAOYSA-N 2,3-dichloro-5,6-dicyano-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(C#N)=C(C#N)C1=O HZNVUJQVZSTENZ-UHFFFAOYSA-N 0.000 description 8
- 241000235389 Absidia Species 0.000 description 8
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
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- 241000215410 Trichothecium roseum Species 0.000 description 8
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 8
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- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 8
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- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 7
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- 241000187747 Streptomyces Species 0.000 description 7
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- UGNWTBMOAKPKBL-UHFFFAOYSA-N tetrachloro-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(Cl)=C(Cl)C1=O UGNWTBMOAKPKBL-UHFFFAOYSA-N 0.000 description 6
- QAEDZJGFFMLHHQ-UHFFFAOYSA-N trifluoroacetic anhydride Chemical compound FC(F)(F)C(=O)OC(=O)C(F)(F)F QAEDZJGFFMLHHQ-UHFFFAOYSA-N 0.000 description 6
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- 229910001508 alkali metal halide Inorganic materials 0.000 description 5
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- 239000012267 brine Substances 0.000 description 5
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- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 description 5
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- WFIZEGIEIOHZCP-UHFFFAOYSA-M potassium formate Chemical compound [K+].[O-]C=O WFIZEGIEIOHZCP-UHFFFAOYSA-M 0.000 description 5
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- 239000013641 positive control Substances 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
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- 102000004169 proteins and genes Human genes 0.000 description 1
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- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
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- JUJWROOIHBZHMG-RALIUCGRSA-N pyridine-d5 Chemical compound [2H]C1=NC([2H])=C([2H])C([2H])=C1[2H] JUJWROOIHBZHMG-RALIUCGRSA-N 0.000 description 1
- 230000006340 racemization Effects 0.000 description 1
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- KZJWDPNRJALLNS-VJSFXXLFSA-N sitosterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CC[C@@H](CC)C(C)C)[C@@]1(C)CC2 KZJWDPNRJALLNS-VJSFXXLFSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 230000000707 stereoselective effect Effects 0.000 description 1
- HCXVJBMSMIARIN-PHZDYDNGSA-N stigmasterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)/C=C/[C@@H](CC)C(C)C)[C@@]1(C)CC2 HCXVJBMSMIARIN-PHZDYDNGSA-N 0.000 description 1
- 229940032091 stigmasterol Drugs 0.000 description 1
- BFDNMXAIBMJLBB-UHFFFAOYSA-N stigmasterol Natural products CCC(C=CC(C)C1CCCC2C3CC=C4CC(O)CCC4(C)C3CCC12C)C(C)C BFDNMXAIBMJLBB-UHFFFAOYSA-N 0.000 description 1
- 235000016831 stigmasterol Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- DGQOCLATAPFASR-UHFFFAOYSA-N tetrahydroxy-1,4-benzoquinone Chemical compound OC1=C(O)C(=O)C(O)=C(O)C1=O DGQOCLATAPFASR-UHFFFAOYSA-N 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- HFRXJVQOXRXOPP-UHFFFAOYSA-N thionyl bromide Chemical compound BrS(Br)=O HFRXJVQOXRXOPP-UHFFFAOYSA-N 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- GKASDNZWUGIAMG-UHFFFAOYSA-N triethyl orthoformate Chemical compound CCOC(OCC)OCC GKASDNZWUGIAMG-UHFFFAOYSA-N 0.000 description 1
- 125000004953 trihalomethyl group Chemical group 0.000 description 1
- 238000001665 trituration Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3331596P | 1996-12-11 | 1996-12-11 | |
| US60/033,315 | 1996-12-11 | ||
| US4938897P | 1997-06-11 | 1997-06-11 | |
| US60/049,388 | 1997-06-11 | ||
| CA002273343A CA2273343C (fr) | 1996-12-11 | 1997-12-11 | Procedes de production de 9,11-epoxy steroides et intermediaires appropries a cet effet |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002273343A Division CA2273343C (fr) | 1996-12-11 | 1997-12-11 | Procedes de production de 9,11-epoxy steroides et intermediaires appropries a cet effet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2550659A1 true CA2550659A1 (fr) | 1998-06-18 |
Family
ID=36955355
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002550897A Abandoned CA2550897A1 (fr) | 1996-12-11 | 1997-12-11 | Methodes de preparation de 9,11-epoxysteroides et intermediaires connexes |
| CA002550659A Abandoned CA2550659A1 (fr) | 1996-12-11 | 1997-12-11 | Procedes de production de 9,11-epoxy steroides et intermediaires appropries a cet effet |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002550897A Abandoned CA2550897A1 (fr) | 1996-12-11 | 1997-12-11 | Methodes de preparation de 9,11-epoxysteroides et intermediaires connexes |
Country Status (1)
| Country | Link |
|---|---|
| CA (2) | CA2550897A1 (fr) |
-
1997
- 1997-12-11 CA CA002550897A patent/CA2550897A1/fr not_active Abandoned
- 1997-12-11 CA CA002550659A patent/CA2550659A1/fr not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2550897A1 (fr) | 1998-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |