作者:H. Hönig、P. Seufer-Wasserthal、H. Weber
DOI:10.1016/s0040-4020(01)90519-8
日期:1990.1
prepared from cinnamic acid derivatives or via aldol condensations of benzaldehyde and suitable enolates in few steps. These racemates were resolved with lipases from Candida cylindracea (CC) and Pseudomonas fluorescens (P) and the obtained products were hydrogenated to 3-phenylserines and -isoserines. The influence of the acyl group in the enzymatic resolution of erythro-3-azido-2-acyloxy-3-phenylpropionic
提供了对映体纯形式的3-苯基丝氨酸和3-苯基异丝氨酸的所有异构体的合成。非对映体纯离析物(苏/赤-2--叠氮基-3-丁酰氧基-3-苯基丙酸酯,苏/赤-3-叠氮--2-丁酰氧基-3-苯基丙酸酯,苏二-2-丁酰基氨基-3-丁酰氧基-由肉桂酸衍生物或通过苯甲醛与合适的烯醇酸酯的醛醇缩合在几个步骤中制备3-苯基丙酸酯,赤型-3-丁酰基氨基-2-丁酰基氧基-3-苯基丙酰胺。用消旋假丝酵母和荧光假单胞菌的脂肪酶分离了这些外消旋体(P)并将获得的产物氢化成3-苯基丝氨酸和-异丝氨酸。研究了酰基对赤型-3-叠氮基-2-酰氧基-3-苯基丙酸酯的酶促拆分的影响。