Pd-catalyzed asymmetric allylic alkylation with nitromethane using a chiral diaminophosphine oxide: (S,RP)-Ph-DIAPHOX. Enantioselective synthesis of (R)-preclamol and (R)-baclofen
作者:Tetsuhiro Nemoto、Long Jin、Hiroshi Nakamura、Yasumasa Hamada
DOI:10.1016/j.tetlet.2006.07.029
日期:2006.9
A Pd-catalyzed asymmetric allylic alkylation with nitromethane using an aspartic acid-derived P-chirogenic diaminophosphine oxide [(S,RP)-Ph-DIAPHOX] is described. This method was successfully applied to enantioselective synthesis of (R)-preclamol and (R)-baclofen.
描述了使用天冬氨酸衍生的P-手性二氨基膦氧化物[(S,R P)-Ph-DIAPHOX]与硝基甲烷进行Pd催化的不对称烯丙基烷基化反应。该方法已成功应用于对映异构体合成(R)-preclamol和(R)-baclofen。