Acetic acid (3R,4S,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-2-((2R,4aR,6S,7R,8S,8aR)-8-benzyloxy-6-methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yloxy)-tetrahydro-thiopyran-3-yl ester 在
溶剂黄146 作用下,
生成
Acetic acid (2R,3R,4S,5R,6S)-2-acetoxymethyl-4-benzyloxy-6-methoxy-5-((2R,3R,4S,5S,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-thiopyran-2-yloxy)-tetrahydro-pyran-3-yl ester