17β-acetoxy-7α,18-dimethylestr-4-en-3-one | 60533-53-1

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 类固醇和类固醇衍生物
• 英文名称: 17β-acetoxy-7α,18-dimethylestr-4-en-3-one
• 英文别名: [(7R,8R,9S,10R,13S,14S,17S)-13-ethyl-7-methyl-3-oxo-2,6,7,8,9,10,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate
• CAS: 60533-53-1
• 化学式: C₂₂H₃₂O₃
• 分子量: 344.494
• InChiKey: MESSVRQKJWCGRS-CIJCJPTBSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4
• 重原子数：
  25
• 可旋转键数：
  3
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.82
• 拓扑面积：
  43.4
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  17β-acetoxy-7α,18-dimethylestr-4-en-3-one 生成 Acetic acid (7S,8R,9S,10R,13S,14S,17S)-13-ethyl-7-methyl-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl ester
  参考文献：
  名称：

  甾体3,5-二烯。

  摘要：

  DOI：

  10.1021/jm00234a009
• 作为产物：
  描述：

  Acetic acid (7S,8R,9S,10R,13S,14S,17S)-13-ethyl-7-methyl-3-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl ester 在 对甲苯磺酸 作用下， 以 苯 为溶剂， 生成 17β-acetoxy-7α,18-dimethylestr-4-en-3-one
  参考文献：
  名称：

  Antiprogestational agents. The synthesis of 7-alkyl steroidal ketones with anti-implantational and antidecidual activity

  摘要：

  A series of 7alpha- and 7beta- alkyl derivatives of steroidal 4-en- and 5-en-3-ones were prepared by 1,6-conjugate addition of organocopper reagents to various steroidal 4,6-dien-3-ones of the androstane, estrane and gonane series. Biological study of these and related compounds revealed that 17beta-hydroxy-7alpha-methyl-5-androsten-3-one (2), 17beta-hydroxy-7alpha-methyl-5-estren-3-one acetate and 17beta-hydroxy-7alpha-methyl-4-estren-3-one acetate had significant anti-implantational and antidecidual activities. The contragestative effects were associated with the latter anti-hormonal properties, and not with the androgenicity of these compounds.

  DOI：

  10.1016/0039-128x(76)90136-7

文献信息

• Process for the production of 7alpha-methyl steroids
  申请人：Schering AG

  公开号：US20040010138A1

  公开（公告）日：2004-01-15

  This invention relates to a process for the production of 7&agr;-methyl steroids of general formula I, 1 starting from compounds of general formula II, 2 which are reacted in an aprotic solvent in the presence of 1-30 mol % of a copper compound CuY n L m with 1-3 molar equivalents of CH 3 MgX, then with a strong acid. The process according to the invention is distinguished in that 7&agr;-methyl steroids are obtained in good yields as well as high chemical purity and high diastereomer purities. The process is distinguished in that less waste accumulates with considerably higher throughput. The process according to the invention can therefore be suitable for the production of 7&agr;-methyl steroids on the industrial scale.

  这项发明涉及一种从通式II的化合物出发，在无水溶剂中与1-30摩尔％的铜化合物CuYnLm和1-3摩尔当量的CH3MgX反应，然后与强酸反应，生产通式I的7α-甲基类固醇的过程。根据本发明的方法在于获得良好收率、高化学纯度和高对映体纯度的7α-甲基类固醇。该方法的独特之处在于废物积累较少，且产量明显更高。因此，根据本发明的方法可能适用于工业规模上生产7α-甲基类固醇。