环戊醇 、
Acetic acid (3S,4R,5R,6S)-5-acetoxy-3-dimethylamino-2,2-dimethyl-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-4-yl ester 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
生成 Acetic acid (3S,4R,5R,6S)-5-acetoxy-6-cyclopentyloxy-3-dimethylamino-2,2-dimethyl-tetrahydro-pyran-4-yl ester 、 Acetic acid (3S,4R,5R,6R)-5-acetoxy-6-cyclopentyloxy-3-dimethylamino-2,2-dimethyl-tetrahydro-pyran-4-yl ester