反应详情

The title compound was prepared as in Example X from N-methyl 4-methylbenzimidoyl chloride (5.9 g, 35 mmole), chlorosulfonic acid (0.41 g, 3.5 mmole), methyl 1-methyl-1H-pyrrole-2-acetate (5.4 g, 35 mmole), and 70% perchloric acid (5.5 g, 38.5 mmole) to yield 4.0 g (30%) of a green solid, m.p. 155°-159° C. (dec).