反应详情

3.06 g. 8,8-dimethyl-2-(4-aminophenyl)-5,6,7,8-tetrahydro-1H-imidazo[4,5-g]quinolin-6-one (see Example 38) were allowed to stand for 20 hours at 25° C. with 30 ml. glacial acetic acid, 5 ml. water, 2 drops of concentrated hydrochloric acid and 1.32 ml. 2,5-dimethoxytetrahydrofuran. The reaction mixture was then washed with 100 ml. water. After crystallization from ethanol, there was obtained 0.8 g. of the title compound; m.p. 329°-350° C. (decomp.).

1. washThe reaction mixture was then washed with 100 ml
2. customAfter crystallization from ethanol
3. customthere was obtained 0.8 g