Rh-Catalyzed Asymmetric Hydrogenation of γ-Phthalimido-Substituted α,β-Unsaturated Carboxylic Acid Esters: An Efficient Enantioselective Synthesis of β-Aryl-γ-amino Acids
作者:Jun Deng、Zheng-Chao Duan、Jia-Di Huang、Xiang-Ping Hu、Dao-Yong Wang、Sai-Bo Yu、Xue-Feng Xu、Zhuo Zheng
DOI:10.1021/ol702193v
日期:2007.11.1
A series of chiral beta-aryl-gamma-amino acid ester derivatives were synthesized in high enantioselectivities (93-97% ee) via the Rh-catalyzed asymmetric hydrogenation of gamma-phthalimido-alpha,beta-unsaturated carboxylic acid esters using highly modular chiral BoPhoz-type phosphine-aminophosphine ligands. The method has been applied successfully to the synthesis of several chiral pharmaceuticals
使用高度模块化的手性化合物,通过Rh催化的γ-邻苯二甲酰亚胺-α,β-不饱和羧酸酯的不对称加氢反应,以高对映选择性(93-97%ee)合成了一系列手性β-芳基-γ-氨基酸酯衍生物BoPhoz型膦-氨基膦配体。该方法已成功地用于几种手性药物的合成,包括具有高对映选择性的(R)-巴氯芬和(R)-咯利普兰。