Acetic acid (2R,3R,4S,5R,6S)-3,5-diacetoxy-2-but-3-enyl-6-methoxy-tetrahydro-pyran-4-yl ester 在
iodonium di(2,4,6-trimethylpyridine) perchlorate 、
水 作用下,
以
二氯甲烷 为溶剂,
以34%的产率得到Acetic acid (2R,3R,4S,5R,6S)-3,5-diacetoxy-2-(3-hydroxy-4-iodo-butyl)-6-methoxy-tetrahydro-pyran-4-yl ester