反应详情

Prepared as in Example 31 from 2-benzoyl-benzo[b]thiophen-3-ol and dimethylammonium acetate with a yield of 18% of theory; m.p. 179°-180° C. (ethyl acetate/petroleum ether 1:2). The product was identical to that prepared according to Example 4, based on its thin-layer chromatogram, elemental analysis and IR-spectrum.