7,8-dideoxy-1-O-[(1,1-dimethylethyl)diphenylsilyl]-3,6-bis-O-(phenylmethyl)-D-glycero-D-manno-oct-7-enitol 、
碘甲烷 在
sodium hydride 作用下,
以
四氢呋喃 为溶剂,
以60%的产率得到7,8-dideoxy-1-O-[(1,1-dimethylethyl)diphenylsilyl]-2,4,5-tri-O-methyl-3,6-bis-O-(phenylmethyl)-D-glycero-D-manno-oct-7-enitol