Аннотация:
Refluxing the mixture of 1,5,6-trimethylbenzimidazole, 1,3-diphenylprop-2-yn-1-one and water in MeCN for 70h affords (Z)-3-[2-(N-formyl-N-methylamino)-4,5-dimethylphenylamino]-1,3-diphenylprop-2-en-1-one (75%) and 1,8,9-trimethyl-3,5-diphenyl- 1,6-benzodiazocin-2(1H)-one (13%).