acetic acid 4-(tert-butyl-dimethyl-silanyloxy)-6-(5-{4-(tert-butyl-dimethyl-silanyloxy)-6-[2-(tert-butyl-dimethyl-silanyloxy)-3-methoxy-propyl]-2-methoxy-3,5-dimethyl-tetrahydro-pyran-2-yl}-2-oxo-[1,3]dioxolan-4-yl)-5-methoxy-hexyl ester 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
反应 5.0h,
以93%的产率得到4-{4-(tert-butyl-dimethyl-silanyloxy)-6-[2-(tert-butyl-dimethyl-silanyloxy)-3-methoxy-propyl]-2-methoxy-3,5-dimethyl-tetrahydro-pyran-2-yl}-5-[3-(tert-butyl-dimethyl-silanyloxy)-6-hydroxy-2-methoxy-hexyl]-[1,3]dioxolan-2-one