α-2,2,2-trichloroethyl-β-carboxy-(phenyl 2,3,4-tri-O-4-methoxybenzyl-α-D-mannopyranos-6-O-yl)-N-9-fluorenylmethoxycarbonyl-L-aspartic acid 在
溶剂黄146 、
锌 作用下,
反应 4.0h,
以80%的产率得到β-carboxy-(phenyl 2,3,4-tri-O-4-methoxybenzyl-α-D-mannopyranos-6-O-yl)-N-9-fluorenylmethoxycarbonyl-L-aspartic acid