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(S)-和(R)-普萘洛尔的不对称合成 被引量:12

Asymmetric Synthesis of S-and R-Propranolols
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摘要 普萘洛尔是一种临床上广泛使用的β受体阻断剂,介绍了一种不对称合成(S)-和(R)-普萘洛尔的方法.以手性Salen-CoIII催化剂水解动力学拆分外消旋环氧氯丙烷得到高光学纯度的(S)-环氧氯丙烷和(R)-3-氯-1,2-丙二醇,以(S)-环氧氯丙烷为手性原料先水解得(S)-3-氯-1,2-丙二醇,其与1-萘酚反应得(S)-3-(1-萘基)-丙烷-1,2-二醇,再与氯化亚砜反应得环状亚硫酸酯,最后和异丙胺作用得(S)-普萘洛尔,总收率80.9%,光学纯度大于99%;而同样以(S)-环氧氯丙烷为手性原料直接与1-萘酚反应得(2R)-3-(1-萘氧基)-1,2-环氧丙烷,再与异丙胺作用得(R)-普萘洛尔,总收率74.5%,光学纯度大于99%. The asymmetric synthesis of propranolol, β-blocker inhibitor, was described. Highly enantioenriched (S)-epichlorohydrin and (R)-3-chloro-1,2-propanediol were obtained from the kinetic hydrolysis resolution of racemic epichlorohydrin by chiral salen-Con^Ⅲ complex. (S)-Epichlorohydrin was used as chiral reagent to synthesize (S)- and (R)- propranolols in yields of 80.9% and 74.5% with. higher than 99% ee.
出处 《有机化学》 SCIE CAS CSCD 北大核心 2007年第5期678-681,共4页 Chinese Journal of Organic Chemistry
关键词 (S)-普萘洛尔 (R)-普萘洛尔 (S)-环氧氯丙烷 不对称合成 (S)-propranolol (R)-propranolol (S)-epichlorohydrin asymmetric synthesis
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