5-[(2R,3S,4R,5S)-3-Benzyloxy-2,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-6-nitro-hexyl]-2-(tert-butyl-dimethyl-silanyloxy)-1,3-dimethoxy-benzene 在
camphor-10-sulfonic acid 作用下,
以
甲醇 为溶剂,
反应 4.0h,
以88%的产率得到4-[(2R,3S,4R,5S)-3-Benzyloxy-2,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-6-nitro-hexyl]-2,6-dimethoxy-phenol