(M)-dimethyl 2,2'-bis(benzyloxy)-7,7'-bis((R)-2-(benzyloxy)propyl)-4,4',6,6'-tetramethoxy-1,1'-binaphthyl-3,3'-dicarboxylate 在
吡啶 、 10% palladium on carbon 、
氢气 作用下,
以
1,4-二氧六环 为溶剂,
以100%的产率得到methyl 3-hydroxy-4-[2-hydroxy-4,6-dimethoxy-3-methoxycarbonyl-7-[(2R)-2-phenylmethoxypropyl]naphthalen-1-yl]-1,7-dimethoxy-6-[(2R)-2-phenylmethoxypropyl]naphthalene-2-carboxylate