tert-Butyl-((3aR,6R,7S,7aR)-6-methoxy-2-phenyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-yloxy)-dimethyl-silane 在
三氯溴甲烷 作用下,
以
四氯化碳 为溶剂,
反应 5.0h,
生成
Benzoic acid (2R,3S,4S,5S)-5-bromo-3-(tert-butyl-dimethyl-silanyloxy)-2-methoxy-tetrahydro-pyran-4-yl ester