原乙酸三甲酯 、
3-[(1S,2R,4R)-2-[2-(2-methoxyethoxy)ethoxy]-7,7-dimethylbicyclo[2.2.1]heptane-1-carbonyl]-1,3-oxazol-2-one 在
溴 作用下,
生成 (4S,5S)-5-Bromo-4-methoxy-3-{(1S,2R,4R)-2-[2-(2-methoxy-ethoxy)-ethoxy]-7,7-dimethyl-bicyclo[2.2.1]heptane-1-carbonyl}-oxazolidin-2-one 、
(4S,5S)-5-bromo-4-methoxy-3-[(1S,2R,4R)-2-[2-(2-methoxyethoxy)ethoxy]-7,7-dimethylbicyclo[2.2.1]heptane-1-carbonyl]-1,3-oxazolidin-2-one