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【结 构 式】

【分子编号】37613

【品名】(1S,3R,7S,8S,8aR)-8-[(3R,5R)-7-(cyclopropylamino)-3,5-dihydroxy-7-oxoheptyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydro-1-naphthalenyl (2S)-2-methylbutanoate

【CA登记号】

【 分 子 式 】C27H43NO5

【 分 子 量 】461.64216

【元素组成】C 70.25% H 9.39% N 3.03% O 17.33%

与该中间体有关的原料药合成路线共 1 条

合成路线1

该中间体在本合成路线中的序号:(III)

A cost-efficient synthesis of simvastatin has been reported: 1) The reaction of lovastatin (mevinolin) (I) with cyclopropylamine (II) gives the corresponding amide (III), which is methylated by means of BuLi, methyl iodide and pyrrolidine in THF yielding the dimethylbutyryl derivative (IV). Hydrolysis of (IV) with NaOH in refluxing methanol, followed by a treatment with NH4OH in methanol affords the ammonium salt (V), which is finally lactonized in acidic medium. 2) The cyclopropylamide (III) can also be obtained by reaction of mevinolinic acid ammonium salt (VI) with cyclopropylamine in hot toluene.

1 Thaper, R.K.; Misra, S.; Kumar, Y.; Kumar, S.M.D.; Khanna, J.M.; A cost-efficient synthesis of simvastatin via high-conversion methylation of an alkoxide ester enolate. Org Process Res Dev 1999, 3, 6, 476.
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(I) 64415 (1S,3R,7S,8S,8aR)-8-{2-[(2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl}-3,7-dimethyl-1,2,3,7,8,8a-hexahydro-1-naphthalenyl (2S)-2-methylbutanoate C24H36O5 详情 详情
(II) 12263 Cyclopropylamine; Cyclopropanamine 765-30-0 C3H7N 详情 详情
(III) 37613 (1S,3R,7S,8S,8aR)-8-[(3R,5R)-7-(cyclopropylamino)-3,5-dihydroxy-7-oxoheptyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydro-1-naphthalenyl (2S)-2-methylbutanoate C27H43NO5 详情 详情
(IV) 37616 ammonium (3R,5R)-7-[(1S,2S,6R,8S,8aR)-8-[(2,2-dimethylbutanoyl)oxy]-2,6-dimethyl-1,2,6,7,8,8a-hexahydro-1-naphthalenyl]-3,5-dihydroxyheptanoate C25H43NO6 详情 详情
(V) 37615 (1S,3R,7S,8S,8aR)-8-[(3R,5R)-7-(cyclopropylamino)-3,5-dihydroxy-7-oxoheptyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydro-1-naphthalenyl 2,2-dimethylbutanoate C28H45NO5 详情 详情
(VI) 37614 ammonium (3R,5R)-7-((1S,2S,6R,8S,8aR)-2,6-dimethyl-8-[[(2S)-2-methylbutanoyl]oxy]-1,2,6,7,8,8a-hexahydro-1-naphthalenyl)-3,5-dihydroxyheptanoate C24H41NO6 详情 详情
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