JP2017501159A - 19−ノルプレグナ−4−エン−3,20−ジオン−17.α.−オール(ゲストノロン)の合成方法及びその中間体 - Google Patents
19−ノルプレグナ−4−エン−3,20−ジオン−17.α.−オール(ゲストノロン)の合成方法及びその中間体 Download PDFInfo
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- JP2017501159A JP2017501159A JP2016539916A JP2016539916A JP2017501159A JP 2017501159 A JP2017501159 A JP 2017501159A JP 2016539916 A JP2016539916 A JP 2016539916A JP 2016539916 A JP2016539916 A JP 2016539916A JP 2017501159 A JP2017501159 A JP 2017501159A
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- 238000001308 synthesis method Methods 0.000 title claims 3
- 239000000543 intermediate Substances 0.000 title description 7
- 238000000034 method Methods 0.000 claims abstract description 33
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 150000001875 compounds Chemical class 0.000 claims description 21
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 12
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- DVSDBMFJEQPWNO-UHFFFAOYSA-N methyllithium Chemical compound C[Li] DVSDBMFJEQPWNO-UHFFFAOYSA-N 0.000 claims description 9
- 239000003153 chemical reaction reagent Substances 0.000 claims description 8
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 150000007524 organic acids Chemical class 0.000 claims description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 6
- KLKFAASOGCDTDT-UHFFFAOYSA-N ethoxymethoxyethane Chemical compound CCOCOCC KLKFAASOGCDTDT-UHFFFAOYSA-N 0.000 claims description 5
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- 150000002466 imines Chemical class 0.000 claims description 4
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 claims description 4
- 239000005051 trimethylchlorosilane Substances 0.000 claims description 4
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 4
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical class NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 2
- 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 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- DQYBDCGIPTYXML-UHFFFAOYSA-N ethoxyethane;hydrate Chemical compound O.CCOCC DQYBDCGIPTYXML-UHFFFAOYSA-N 0.000 claims 1
- 150000007522 mineralic acids Chemical class 0.000 claims 1
- 230000008707 rearrangement Effects 0.000 claims 1
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 16
- 238000003786 synthesis reaction Methods 0.000 abstract description 15
- 239000004480 active ingredient Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- IIVBFTNIGYRNQY-YQLZSBIMSA-N nomegestrol acetate Chemical compound C1=C(C)C2=CC(=O)CC[C@@H]2[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(C)=O)(OC(=O)C)[C@@]1(C)CC2 IIVBFTNIGYRNQY-YQLZSBIMSA-N 0.000 abstract description 2
- 229960004190 nomegestrol acetate Drugs 0.000 abstract description 2
- 239000000583 progesterone congener Substances 0.000 abstract description 2
- 230000000707 stereoselective effect Effects 0.000 abstract description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- JWMFYGXQPXQEEM-WZBAXQLOSA-N pregnane group Chemical group [C@@H]12CC[C@H](CC)[C@@]1(C)CC[C@H]1[C@H]2CCC2CCCC[C@]12C JWMFYGXQPXQEEM-WZBAXQLOSA-N 0.000 description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 6
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical compound [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 125000004043 oxo group Chemical group O=* 0.000 description 4
- 125000006239 protecting group Chemical group 0.000 description 4
- 0 CC([C@@](CC1)(C(*)(CC2)[C@@]1[C@@](CC1)[C@]2[C@@](CC2)C1=CC2=O)O)=O Chemical compound CC([C@@](CC1)(C(*)(CC2)[C@@]1[C@@](CC1)[C@]2[C@@](CC2)C1=CC2=O)O)=O 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- -1 enol acetate Chemical class 0.000 description 3
- 150000002084 enol ethers Chemical group 0.000 description 3
- 150000002170 ethers Chemical class 0.000 description 3
- JFEPJTGMGDGPHJ-PNKHAZJDSA-N (8r,9s,10r,13s,14s)-13-methyl-2,6,7,8,9,10,11,12,14,15,16,17-dodecahydro-1h-cyclopenta[a]phenanthren-3-one Chemical compound C1CC2=CC(=O)CC[C@@H]2[C@@H]2[C@@H]1[C@@H]1CCC[C@@]1(C)CC2 JFEPJTGMGDGPHJ-PNKHAZJDSA-N 0.000 description 2
- UZKWTJUDCOPSNM-UHFFFAOYSA-N 1-ethenoxybutane Chemical compound CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000006027 Birch reduction reaction Methods 0.000 description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 2
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000005903 acid hydrolysis reaction Methods 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- GTFUITFQDGVJSK-XGXHKTLJSA-N gestonorone Chemical compound C1CC2=CC(=O)CC[C@@H]2[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)C)(O)[C@@]1(C)CC2 GTFUITFQDGVJSK-XGXHKTLJSA-N 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- 150000002730 mercury Chemical class 0.000 description 2
- 238000007069 methylation reaction Methods 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- BCWWDWHFBMPLFQ-VXNCWWDNSA-N (8r,9s,13s,14s)-3-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6h-cyclopenta[a]phenanthren-17-one Chemical compound C1C[C@]2(C)C(=O)CC[C@H]2[C@@H]2CCC3=CC(OC)=CC=C3[C@H]21 BCWWDWHFBMPLFQ-VXNCWWDNSA-N 0.000 description 1
- JRIZOGLBRPZBLQ-QXUSFIETSA-N 19-Norandrostenedione Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)(C(CC4)=O)[C@@H]4[C@@H]3CCC2=C1 JRIZOGLBRPZBLQ-QXUSFIETSA-N 0.000 description 1
- UHZLTTPUIQXNPO-UHFFFAOYSA-N 2,6-ditert-butyl-3-methylphenol Chemical compound CC1=CC=C(C(C)(C)C)C(O)=C1C(C)(C)C UHZLTTPUIQXNPO-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- YNJSNEKCXVFDKW-UHFFFAOYSA-N 3-(5-amino-1h-indol-3-yl)-2-azaniumylpropanoate Chemical compound C1=C(N)C=C2C(CC(N)C(O)=O)=CNC2=C1 YNJSNEKCXVFDKW-UHFFFAOYSA-N 0.000 description 1
- 229910015900 BF3 Inorganic materials 0.000 description 1
- WFBIRBVXWQCWPT-OGURFWEZSA-N CC(=O)C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2O)CCC4=CC(=O)CC[C@H]34 Chemical compound CC(=O)C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2O)CCC4=CC(=O)CC[C@H]34 WFBIRBVXWQCWPT-OGURFWEZSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000007256 debromination reaction Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- OSVMTWJCGUFAOD-KZQROQTASA-N formestane Chemical compound O=C1CC[C@]2(C)[C@H]3CC[C@](C)(C(CC4)=O)[C@@H]4[C@@H]3CCC2=C1O OSVMTWJCGUFAOD-KZQROQTASA-N 0.000 description 1
- 229960001902 gestonorone Drugs 0.000 description 1
- 229960003812 gestonorone caproate Drugs 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- WOFDVDFSGLBFAC-UHFFFAOYSA-N lactonitrile Chemical compound CC(O)C#N WOFDVDFSGLBFAC-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000011987 methylation Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- VBTQNRFWXBXZQR-UHFFFAOYSA-N n-bromoacetamide Chemical compound CC(=O)NBr VBTQNRFWXBXZQR-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 description 1
- 229910000343 potassium bisulfate Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 1
- 150000003431 steroids Chemical class 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
- C07J1/0051—Estrane derivatives
- C07J1/0059—Estrane derivatives substituted in position 17 by a keto group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
- C07J1/0051—Estrane derivatives
- C07J1/0081—Substituted in position 17 alfa and 17 beta
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
- C07J41/0033—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005
- C07J41/0094—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005 containing nitrile radicals, including thiocyanide radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J51/00—Normal steroids with unmodified cyclopenta(a)hydrophenanthrene skeleton not provided for in groups C07J1/00 - C07J43/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
- C07J7/0005—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21
- C07J7/001—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group
- C07J7/004—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group substituted in position 17 alfa
- C07J7/005—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group substituted in position 17 alfa substituted in position 16
- C07J7/006—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group substituted in position 17 alfa substituted in position 16 by a hydroxy group free esterified or etherified
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J75/00—Processes for the preparation of steroids in general
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Steroid Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
化合物(IV)からの化合物(III)の合成は、次のように行われる:
短鎖脂肪族アルコール類、好ましくはメタノール又はエタノールを溶媒として用いる。
反応の温度を+20〜63℃に保つ、好ましくは実施例1に記載する温度プログラムに保つのがよい。
エーテル、例えばジエチルエーテル、テトラヒドロフラン、メチルtert-ブチルエーテル、ジイソプロピルエーテル、好ましくはメチルtert-ブチルエーテル又はテトラヒドロフランを溶媒として用いる。
トリメチルクロロシランを、イミダゾールの存在下、試薬として用い、該試薬のモル過剰を2〜10モル、好ましくは2.5〜4モルとする。
反応の温度を、0〜+40℃に、好ましくは0〜+10℃に保つのがよい。
エーテル類又はホルムアルデヒドジアルキルアセタール類、例えばジエチルエーテル、テトラヒドロフラン、メチルテトラヒドロフラン、メチルtert-ブチルエーテル、ジイソプロピルエーテル、ジエトキシメタン、ジメトキシメタン、好ましくはメチルtert-ブチルエーテル、テトラヒドロフラン又はジエトキシメタンを溶媒として用いる。
メチルリチウムオリゴマーの安定性は、置換1,2-ジアミノエタン類、好ましくはN,N,N’,N’-テトラメチルエチレンジアミンで減少させることができる。
反応の温度を、−78〜−10℃に、好ましくは−40〜−20℃に保つのがよい。
中間体として得られる保護化イミンを、無機酸又は強有機酸、例えば塩酸、硫酸、硫酸水素カリウム、硫酸水素ナトリウム、p-トルエンスルホン酸、過塩素酸、好ましくは塩酸で、式(I)の最終生成物へと変換する。
加水分解を、温度0℃から適用する溶媒の沸点までの温度で、好ましくは+5〜+40℃で行うのがよい。
本発明の方法は、限定されない、次の実施例で例示する。
(17α)-17-ヒドロキシ-3-メトキシエストラ-2.5(10)-ジエン-17-カルボニトリルの合成
不活性雰囲気下、3-メトキシエストラ-2,5(10)-ジエン-17-オン50.0gを、エタノール500mlに懸濁させ、シアン化カリウム34.25g及び2,6-ジtert-ブチル-メチル-フェノールを、攪拌しながら、加えた。攪拌10分後、酢酸20.0mlを10分以上かけて滴下した。反応混合物を30〜35℃から58〜63℃へと加温し、1時間この温度で攪拌し、その後20〜25℃へ降温し、16時間攪拌した。水50mlを反応混合物に加え、スラリーを1時間攪拌した。沈殿した結晶をろ過し、水150ml×5に懸濁させ、水100ml×2で洗浄した。湿った結晶を、不活性雰囲気下、イオン交換水300mlで15分間攪拌し、ろ過し水100ml×2で洗浄した。湿った結晶を冷エタノール75ml及びメチルtert-ブチルエーテル50ml×3で洗浄した。
純度(HPLC):97.49%。
1H NMR (DMSO-d6, 500 MHz) δ: 6.26 (s, 1H), 4.64 (t, J=3.3 Hz, 1H), 3.45 (s, 3H), 2.70-2.87 (m, 1H), 2.49-2.63 (m, 2H), 2.37-2.49 (m, 1H), 2.22-2.34 (m, 1H), 1.97-2.08 (m, 1H), 1.76-1.96 (m, 3H), 1.61-1.75 (m, 4H), 1.51-1.60 (m, 1H), 1.37-1.47 (m, 1H), 1.24-1.36 (m, 2H), 1.11-1.25 (m, 2H), 0.83 (s, 3H)。
13C NMR (DMSO-d6, 125 MHz) δ: 151.8, 127.3, 124.3, 121.8, 90.4, 76.5, 53.4, 48.9, 46.6, 44.3, 38.7, 37.4, 33.6, 29.8, 27.8, 26.9, 24.6, 22.9, 16.2。
(17α)-3-メトキシ-17-[(トリメチルシリル)-オキシ]-エストラ-2.5(10)-ジエン-17-カルボニトリルの合成
不活性雰囲気下、(17α)-17-ヒドロキシ-3-メトキシエストラ-2.5(10)-ジエン-17-カルボニトリル53.0g、2,6-ジtert-ブチル-4-メチル-フェノール0.15g及びメチルtert-ブチルエーテル900mlの攪拌混合物に、イミダゾール36.0gのテトラヒドロフラン100ml溶液を加えた。反応混合物を0〜5℃に冷却し、トリメチルクロロシラン60.0mlを、温度が5℃以下に保持するような速度で滴下した。2時間攪拌後、水50mlを反応混合物に加え、10分間攪拌後、有機相を分離し、水50ml×3で洗浄した。有機相をMgSO4 7.5g上で乾燥し、ろ過し、ろ過した乾燥剤をメチルtert-ブチルエーテル25ml×2で洗浄した。体積が半分となるまでろ液を濃縮し、メチルtert-ブチルエーテル300ml×3を30〜35℃で留去した。溶液を600mlに希釈し次の工程で用いた。
乾燥物質含量:58.9g(90.4%)。
純度(HPLC):96.53%。
1H NMR (CD2Cl2, 500 MHz) δ: 4.65 (t, J=3.3 Hz, 1H), 3.50-3.57 (m, 3H), 2.80-2.95 (m, 1H), 2.56-2.69 (m, 2H), 2.45-2.55 (m, 1H), 2.33-2.41 (m, 1H), 2.09 (br. s., 1H), 2.01 (ddd, J=14.8, 9.2, 5.6 Hz, 1H), 1.95 (dd, J=13.3, 2.8 Hz, 1H), 1.90 (dd, J=6.4, 0.7 Hz, 1H), 1.76-1.84 (m, 1H), 1.60-1.76 (m, 4H), 1.49-1.55 (m, 1H), 1.33-1.44 (m, 2H), 1.20-1.32 (m, 2H), 0.92 (s, 3H), 0.25 (s, 9H)。
13C NMR (CD2Cl2, 125 MHz) δ: 153.1, 128.1, 125.4, 121.6, 91.0, 79.4, 54.2, 51.0, 47.6, 45.3, 40.0, 39.5, 34.6, 31.0, 30.8, 28.8, 27.9, 25.8, 24.0, 16.7, 1.3。
(17α)-17-アセチル-17-ヒドロキシ-エストラ-4-エン-3-オンの合成
(17α)-3-メトキシ-17-[(トリメチルシリル)-オキシ]-エストラ-2.5(10)-ジエン-17-カルボニトリルのメチルtert-ブチルエーテル600mlの攪拌溶液を−40℃に冷却し、その後、N,N,N’,N’-テトラメチルエチレンジアミン80ml及びメチルリチウム溶液(3Mジエトキシメタン溶液)180mlを、温度が−30℃以下に保持するような速度で加えた。反応混合物をこの温度で1時間攪拌し、その後、−15〜−10℃に冷却した4N塩酸溶液に激しく冷却しながら加えた。反応混合物を20〜25℃で16時間攪拌し、その後、3M酢酸ナトリウムを約800ml加えることにより、溶液のpHを4〜5に調節した。揮発性有機成分を留去し、残渣を20〜25℃で1時間攪拌した。沈殿粗生成物をろ過し、水500ml×5で懸濁し、冷メタノール100mlで洗浄し、真空オーブンで乾燥させた。
収量:32.42g(67.1%)
純度(HPLC):89.66%。
純度(HPLC):98.47%。
1H NMR (CDCl3, 800 MHz) δ: 5.82-5.85 (m, 1H), 2.85 (s, 1H), 2.69 (ddd, J=14.9, 11.5, 3.1 Hz, 1H), 2.47-2.51 (m, 1H), 2.39-2.43 (m, 1H), 2.28 (s, 3H), 2.23-2.31 (m, 3H), 2.06-2.11 (m, 1H), 1.89-1.93 (m, 1H), 1.81-1.88 (m, 2H), 1.72-1.80 (m, 2H), 1.61 (ddd, J=15.2, 9.2, 6.3 Hz, 1H), 1.52-1.58 (m, 1H), 1.35-1.44 (m, 3H), 1.22-1.29 (m, 1H), 1.12-1.18 (m, 1H), 0.90 (dtd, J=12.0, 10.6, 4.2 Hz, 1H), 0.78 (s, 3H)。
13C NMR (CDCl3, 201 MHz) δ: 211.6, 199.9, 166.4, 124.6, 89.8, 49.2, 49.0, 48.4, 42.4, 40.2, 36.5, 35.5, 33.5, 31.1, 30.0, 27.9, 26.6, 25.9, 23.8, 15.5。
Claims (20)
- 工程i)の反応をエタノール中で行うことを特徴とする請求項2記載の方法。
- 工程i)の試薬としてシアン化カリウム又はシアン化ナトリウムを用いることを特徴とする請求項2記載の方法。
- 工程i)のシアン化試薬を2〜4モル過剰で用いることを特徴とする請求項2記載の方法。
- 工程i)の温和な有機酸として酢酸を用いることを特徴とする請求項2記載の方法。
- 工程i)の酢酸を好ましくは1.5〜3モル過剰に用いることを特徴とする請求項2記載の方法。
- 工程ii)の反応を好ましくは0〜+10℃の温度で行うことを特徴とする請求項2記載の方法。
- 工程ii)の反応をメチルtert-ブチルエーテル又はテトラヒドロフラン中で行うことを特徴とする請求項2記載の方法。
- 工程ii)の試薬を好ましくは2.5〜4モル用いることを特徴とする請求項2記載の方法。
- メチルリチウムを2.5〜5モル過剰に用いることを特徴とする請求項1記載の方法。
- 置換1,2-ジアミノ-エタンとしてN,N,N’,N’-テトラメチルエチレンジアミンを用いることを特徴とする請求項1記載の方法。
- 温度−40〜−20℃で反応を行うことを特徴とする請求項1記載の方法。
- 中間体として得られる保護化イミンから式(I)の化合物への変換に塩酸を用いることを特徴とする請求項1記載の方法。
- 溶媒として水とtert-ブチルメチルエーテルの混合物、又はジエトキシメタン中で、中間体として得られる保護化イミンから式(I)の化合物への変換を行うことを特徴とする請求項1記載の方法。
- 温度+5〜+40℃で加水分解及び酸性転位(acidic rearrangement)を行うことを特徴とする請求項1記載の方法。
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