叔丁基二甲基氯硅烷 、 (1R,5R,6R,8R,10S)-5-Acetoxymethyl-8-(2,3-dihydroxypropyl)-10-methoxy-9,9-dimethyl-2,4,7-trioxabicyclo[4.4.0]decane 在
咪唑 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 19.0h,
生成
Acetic acid (4R,4aR,6R,8S,8aR)-6-[(S)-3-(tert-butyl-dimethyl-silanyloxy)-2-hydroxy-propyl]-8-methoxy-7,7-dimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-4-ylmethyl ester 、 Acetic acid (4R,4aR,6R,8S,8aR)-6-[(R)-3-(tert-butyl-dimethyl-silanyloxy)-2-hydroxy-propyl]-8-methoxy-7,7-dimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-4-ylmethyl ester