6-[(2R,3R)-3-tert-Butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-butoxy]-tetrahydro-pyran-2-carboxylic acid benzyl ester 在
palladium on activated charcoal
1,4-环己二烯 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以90%的产率得到6-[(2R,3R)-3-tert-Butoxy-2-(9H-fluoren-9-ylmethoxycarbonylamino)-butoxy]-tetrahydro-pyran-2-carboxylic acid