(1S,3R,4S,5R,6S,7S)-4,5-Bis-benzyloxy-3-hydroxymethyl-2-oxa-bicyclo[4.1.0]heptane-7-carboxylic acid methyl ester 在
N-碘代丁二酰亚胺 作用下,
以
乙腈 为溶剂,
以65%的产率得到(S)-((1R,2S,3R,4R,5R)-2,3-Bis-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-4-yl)-iodo-acetic acid methyl ester