反应详情

In analogy to the procedure described for the synthesis of intermediate 1, step 3, the title compound was synthesized from 5-(3-chloro-propoxy)-1H-indole-2-carboxylic acid ethyl ester (example 4, step 1). The title compound was obtained in 98% yield as white solid. MS (m/e): 252.9 (M−H−, 100%).