5-fluoro-3-hydroxymethyl-1-naphthalen-1-ylmethyl-1H-indole-2-carboxylic acid ethyl ester 、
异氰酸乙酯 在
4-二甲氨基吡啶 silica 作用下,
以
二氯甲烷 为溶剂,
反应 112.0h,
以to give 3-ethylcarbamoyloxymethyl-5-fluoro-1-naphthalen-1-ylmethyl-1H-indole-2-carboxylic acid ethyl ester as a colorless solid的产率得到3-ethylcarbamoyloxymethyl-5-fluoro-1-naphthalen-1-ylmethyl-1H-indole-2-carboxylic acid ethyl ester