alcohols and N-[(R)-lactoyl]-(S)-amines were obtained in excess. When the reductions were carried out in methanol or ethanol in the presence of metallic salt, N-[(S)-lactoyl]-(S)-amines were obtained in asymmetric yields up to 22%.
在几种醇中用
硼氢化钠 (NBH) 还原具有 (S)-胺的几种
丙酮酸酰胺,并得到过量的 N-[(R)-乳酰基]-(S)-胺。当在
金属盐存在下在
甲醇或
乙醇中进行还原时,N-[(S)-乳酰基]-(S)-胺以高达 22% 的不对称产率获得。