1L-(1,3,4/2)-4-amino-1,2,3-tri-O-benzyl-6-(trityloxymethyl)-5-cyclohexene-1,2,3-triol 、
O-(2,3-di-O-benzyl-6-deoxy-α-D-xylo-hexopyranosyl-4-ulose)-(1->4)-O-(2,3,6-tri-O-benzyl-α-D-glucopyranosyl)-(1->4)-1,6-anhydro-2,3-di-O-benzyl-β-D-glucopyranose 在
3 A molecular sieve 、 sodium cyanoborohydride 、
溶剂黄146 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
以1.1%的产率得到O-<2,3-di-O-benzyl-4,6-dideoxy-4-<1D-(1,2,4/3)-2,3,4-tris(benzyloxy)-5-(trityloxymethyl)-5-cyclohexenylamino>-α-D-galactopyranosyl>-(1->4)-O-(2,3,6-tri-O-benzyl-α-D-glucopyranosyl)-(1->4)-1,6-anhydro-2,3-di-O-benzyl-β-D-glucopyranose