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分子旋光度的密度泛函计算及Soman绝对构型确定 被引量:4

Calculation of Optical Rotation Using Density Functional Theory and Determination of Absolute Configuration for Soman
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摘要 手性化合物绝对构型的确定一直是有机化学特别是手性药物合成研究过程中经常遇到的问题之一.利用密度泛函DFT/B3LYP量子化学计算方法,通过计算两种已知旋光度分子的旋光度,确认计算条件和验证计算结果的可靠性,并将此方法应用于Soman旋光度的计算.结合文献报道的Soman分子实验旋光度测定结果,首次采用理论计算方法确定了梭曼(Soman)分子四个异构体的绝对构型,分别为P(R),C(S)-Soman→P(+)C(+),P(R),C(R)-Soman→P(+)C(-), P(S),C(S)-Soman→P(-)C(+),P(S),C(R)-Soman→P(-)C(-). The determination of absolute configuration for chiral compounds is one of the most important problem in the organic chemisty, especially for chiral drug synthesis. Density functional theory (DFT/B3LYP) method with various basis sets were employed and verified by calculating the optical rotational properties of two tested chiral compounds, and than applied to the calculations of the optical rotational properties of soman to assign the absolute configuration of soman. The absolute configurations of four isomers for soman are P(R),C(S)-soman→P( + )C( + ), P(R),C(R)-soman→P( + )C(-), P(S),C(S)-soman→P(-)C( + ) and P(S),C(R)-soman→P(-)C(-).
出处 《化学学报》 SCIE CAS CSCD 北大核心 2006年第23期2333-2338,共6页 Acta Chimica Sinica
关键词 分子旋光度计算 DFT 梭曼 绝对构型 calculation of optical rotation density functional theory soman absolute configuration
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参考文献14

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同被引文献18

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