2-naphthaldehyde (4-methoxyphenyl 3-O-[D7]benzyl-4,6-O-cyclohexylidene-α-D-glucopyranosyl-(1->3')-2'-O-[D7]benzyl-4',6'-O-cyclohexylidene-α-D-glucopyranosyl-(1'->3'')-2''-O-[D7]benzyl-4'',6''-O-cyclohexylidene-α-D-mannopyranosid-2-yl) (methyl 3-O-[D7]benzyl-4,6-O-cyclohexylidene-1-thio-α-D-glucopyranosid-2-yl) acetal 在
2,6-二叔丁基-4-甲基吡啶 、
三(三甲基硅基)硅烷 、
三氟甲烷磺酸甲酯 、
碳酸氢钠 、
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 19.0h,
以77%的产率得到4-methoxyphenyl 3-O-[D7]benzyl-4,6-O-cyclohexylidene-α-D-glucopyranosyl-(1->2)-3-O-[D7]benzyl-4,6-O-cyclohexylidene-α-D-glucopyranosyl-(1->3)-2-O-[D7]benzyl-4,6-O-cyclohexylidene-α-D-glucopyranosyl-(1->3)-2-O-[D7]benzyl-4,6-O-cyclohexylidene-α-D-mannopyranoside