Reaction of 1-alkyl(aryl)-5-alkyl(aryl)amino-2-oxo-2,3-dihydro-H-imidazole-4-carbonitriles with Lawesson’s reagent
摘要:
The reaction of substituted 2-oxo-2,3-dihydro-1H-imidazole-4-carbonitriles with Lawesson's reagent gave new compounds of the fused imidazo[4,5-d][1,3,2]diazaphosphinine system.