Enantioselective and diastereoselective Darzens reaction mediated by chiral lithium amides was achieved between tert-butyl chloroacetate and aromatic aldehydes to give the corresponding trans-glycidic esters in up to 84% enantiomeric excess.
在手性
锂酰胺的介导下,
氯乙酸叔丁酯与芳香醛发生了对映体选择性和非对映体选择性的达尔曾斯反应,得到了相应的反式
缩水甘油酯,对映体过量率高达 84%。