反应详情

Prepare the title compound in the manner analogous to the procedure set fourth in example E-222 using 4-cyano-5-ethyl-1-methyl-3-(4-trifluoromethanesulfonyloxyphenyl)-1H-pyrrole-2-carboxylic acid ethyl ester (prepared in example E-97a or 97b) and 7-bromo-benzo(b)thiophene. Purify the material by silica gel chromatography (Chromatotron™ eluting with methylene chloride/ethyl acetate 4:1 to provide the title compound a white solid. Mass spectrum (m/e): 413.2 (M*−1).

1. customPurify the material by silica gel chromatography (Chromatotron™
2. washeluting with methylene chloride/ethyl acetate 4:1