2,2-Dimethyl-propionic acid (1R,2R,3S,4R)-2,3,4-tris-benzyloxy-1-benzyloxymethyl-6-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-5-oxo-hexyl ester 在
正丁基锂 、
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 2.0h,
生成 (2R,3R,4S,5R)-1,3,4,5-Tetrakis-benzyloxy-6-((S)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-8-((2R,3R,4S,5R,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-yl)-oct-7-yne-2,6-diol