ChemInform Abstract: Pyridazines. Part 38. Pyridazino(4,5‐e)‐1,4‐diazepine. A Novel Ring System of Potential Pharmaceutical Interest.

Abstract

253ChemInform Abstract The synthesis of the target pyridazino-1,4-diazepines (IV) is accomplished by treatment of the glycinamides (III) with trifluoroacetic acid and subsequent cyclization with K2CO3 in DMF.