Lithium 3,3′-chlorobinaphtholate was found to catalyze the enantioselective Michael addition of a malonic ester to a maleic ester. High enantioselectivities (>90% ee) were observed, especially in the reactions of 2-alkylmalonic esters and maleic esters.
发现 3,3'-
氯联
萘酸
锂催化
丙二酸酯与
马来酸酯的对映选择性迈克尔加成。观察到高对映选择性 (>90% ee),特别是在 2-烷基
丙二酸酯和
马来酸酯的反应中。