反应详情

The title compound was prepared in 54% yield from 8-ethoxymethylene-6,8-dihydro-1-thia-3,6-diaza-as-indacen-7-one and 5-aminobenzotriazole according to Procedure J: 1H NMR (DMSO-d6): δ11.18 (d,1H), 10.9 (s, 1H), 9.23 (s, 1H), 8.12 (d, 1H), 7.96 (s, 1H), 7.78 (d, 1H), 7.48(s, 1H), 7.1 (d, 1H); APCI−MS m/z 333 (M−H)−.