erythro-Nα-(benzyloxy)carbonyl-Nim-(triphenylmethyl)-β-(3,4,6-tri-O-acetyl-2-O-methyl-α-L-gulopyranosyl)-L-histidine methyl ester 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
25.0 ℃
、101.32 kPa
条件下,
反应 0.67h,
以77%的产率得到erythro-Nim-(triphenylmethyl)-β-(2,4,6-tri-O-acetyl-2-O-methyl-α-L-gulopyranosyl)-L-histidine methyl ester