Pyrido diazepinone

The analogous 1,3-dihydro-l-methyl-5-phenyl-2//-pyrido(4,3-e)-l,4-diazepin-2-one (206) as well as the three other isomeric pyrido-diazepinones and the corresponding intermediates have been prepared.219... 

Pyrido- and pyrimido[l, 4]diazepinones have been produced by condensing pyridinediamines and a pyrimidinediamine with esters of /i-oxo acids. Because of the unsymmetrical structures of the diamines the reactions may take two courses, as exemplified by the action of ethyl acetoacetate on pyridine-2,3-diamine.308... 

The synthesis of the tetracyclic pyrido[3,2- >]furo [3,2-6Jbenzo[l,4j-diazepinone (47) starting with 2-cyano-3-hydroxypyridine (42) and 3-... 

Bonacorso H, Lourega R, Deon E, Zanatta N, Martins M, Martins MAP (2(X)7) The first synthesis of dihydro-3H-pyrido[2,3-b][l,4]diazepinols and a new alternative approach for diazepinone analogues. Tetrahedron Lett 48 4835 838... 

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