100021-05-4

• 常用中文名：(17ALPHA)-13-乙基-17-羟基-18,19-二去甲孕甾-5-烯-20-炔-3-酮
• 常用英文名：(8R,9S,10R,13R,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
• CAS号：100021-05-4
• 分子式：C₂₁H₂₈O₂
• 分子量：312.44600
• 发布时间：2017-12-07 00:52:45
• 更新时间：2025-09-26 11:28:44

名称

• 中文名: (17ALPHA)-13-乙基-17-羟基-18,19-二去甲孕甾-5-烯-20-炔-3-酮
• 英文名: (8R,9S,10R,13R,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
• 中文别名: 左炔诺孕酮杂质P; 左炔诺孕酮杂质16(左炔诺孕酮杂质P); 5-脱氢-4-二氢D-(-)-孕烯; Δ5-左炔诺孕酮; DELTA-5(6)-左炔诺孕酮
• 英文别名: 5-Dehydro-4-dihydro D-(-)-Norgestrel (~); (17alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5-en-20-yn-3-one; (17a)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5-en-20-yn-3-one; Levonorgestrel impurity P; 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5-en-20-yn-3-one; (17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5-en-20-yn-3-one; Levonorgestrel Impurity 16（Levonorgestrel Impurity P）; (17|A)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5-en-20-yn-3-one; 5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel; 18,19-Dinorpregn-5-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17α)- (9CI); 5-Dehydro-4-dihydro D-(-)-Norgestrel; DELTA-5(6)-LEVONORGESTREL

物化性质

• 分子式: C₂₁H₂₈O₂
• 分子量: 312.44600
• 精确质量: 312.20900
• PSA: 37.30000
• LogP: 3.88260

合成路线

797-63-7 ~40% 100021-05-4

文献：Williams; Mattei; Abdel-Magid; Blount Journal of Organic Chemistry, 1986 , vol. 51, # 6 p. 769 - 773

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