2-(1-tert-butoxycarbonyl-5-hydroxymethyl-1H-thieno[3,2-c]pyrazol-3-yl)-6-(3-piperidin-1-ylpropoxy)indole-1-carboxylic acid tert-butyl ester 、
三乙胺 、
甲基磺酰氯 在
碳酸氢钠 、
magnesium sulfate 、 silica gel 、
2-(1-tert-butoxycarbonyl-5-methanesulfonyloxymethyl-1H-thieno[3,2-c]pyrazol-3-yl)-6-(3-piperidin-1-ylpropoxy)indole-1-carboxylic acid tert-butyl ester 作用下,
以
二氯甲烷 为溶剂,
反应 4.5h,
以to produce 2-(1-tert-butoxycarbonyl-5-methanesulfonyloxymethyl-1H-thieno [3,2-c]pyrazol-3-yl)-6-(3-piperidin-1-yl-propoxy)-indole-1-carboxylic acid tert-butyl ester [0.85 g, 62%, Intermediate (79)] as a yellow foam的产率得到2-(1-tert-butoxycarbonyl-5-methanesulfonyloxymethyl-1H-thieno[3,2-c]pyrazol-3-yl)-6-(3-piperidin-1-ylpropoxy)indole-1-carboxylic acid tert-butyl ester