Benzoic acid (2S,3R,4R,5S)-4-benzyloxy-5-(tert-butyl-diphenyl-silanyloxy)-2-methoxy-6-methylene-tetrahydro-pyran-3-yl ester 在
dimethyl sulfide borane 作用下,
以
四氢呋喃 为溶剂,
生成 Benzoic acid (2S,3R,4R,5R,6S)-4-benzyloxy-5-(tert-butyl-diphenyl-silanyloxy)-6-hydroxymethyl-2-methoxy-tetrahydro-pyran-3-yl ester 、 Benzoic acid (2S,3R,4R,5R,6R)-4-benzyloxy-5-(tert-butyl-diphenyl-silanyloxy)-6-hydroxymethyl-2-methoxy-tetrahydro-pyran-3-yl ester