5-(3-Cyano-4-p-tolylamino-pyridin-2-yloxy)-1-(4-methoxy-phenyl)-2-methyl-1H-indole-3-carboxylic acid ethyl ester 在
磺酰氯 作用下,
以
氯仿 为溶剂,
反应 0.5h,
以71%的产率得到2-Chloromethyl-5-(3-cyano-4-p-tolylamino-pyridin-2-yloxy)-1-(4-methoxy-phenyl)-1H-indole-3-carboxylic acid ethyl ester