acetic acid (4S,5R,6R,7S,8S)-5-(tert-butyldimethylsilanyloxy)-6-hydroxy-2-oxohexahydrocyclopentaoxazol-4-ylmethyl ester 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以98%的产率得到(4S,5R,6R,7S,8S)-5-(tert-butyldimethylsilanyloxy)-6-hydroxy-4-hydroxymethylhexahydrocyclopentaoxazol-2-one