反应详情

By the reaction and treatment in the same manner as in Example 6 using benzo[b]thiophene-2-carboxylic acid (1.0 g) and 5-amino-2-[N,N-bis(2-hydroxyethyl)amino]benzonitrile (0.9 g), the title compound (0.3 g) was obtained. melting point: 163-168° C.