(3S,4R)-5-Acetoxy-3-hydroxy-4-((S)-1-phenyl-ethylamino)-pentanoic acid tert-butyl ester 在
TEA 、
甲基磺酰氯 作用下,
以
二氯甲烷 为溶剂,
生成 [3(S)-acetoxymethyl-1-(1'(S)-α-methylbenzyl)-aziridin-2(RS)-yl]-acetic acid tert-butyl ester 、 [3(S)-acetoxymethyl-1-(1'(S)-α-methylbenzyl)-aziridin-2(S)-yl]-acetic acid tert-butyl ester