Acetic acid (2S,3R,4S,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-2-(3-hydroxymethyl-1-methanesulfonyl-2,3-dihydro-1H-indol-6-yloxy)-tetrahydro-pyran-3-yl ester 在
甲醇 、
四氯化碳 、
potassium carbonate 、
三苯基膦 作用下,
反应 5.17h,
生成 (2S,3R,4S,5R,6R)-2-(3-Chloromethyl-1-methanesulfonyl-2,3-dihydro-1H-indol-6-yloxy)-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol