Abstract
A preparative procedure has been developed for the synthesis of substituted 5,7-dihydropyrrolo-[3,4-d][1,2]diazepines by recyclization of 6-phenylpyrano[3,4-c]pyrrol-4(2H)-one with hydrazine hydrate. The stability of the seven-membered ring in the products under acidic conditions, alkylation, and heteroring fusion to the diazepine ring have been studied.
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Original Russian Text © O.I. Kharaneko, S.L. Bogza, 2016, published in Zhurnal Organicheskoi Khimii, 2016, Vol. 52, No. 7, pp. 1049–1055.
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Kharaneko, O.I., Bogza, S.L. 5,7-Dihydropyrrolo[3,4-d][1,2]diazepin-1(2H)-ones. Synthesis and transformations. Russ J Org Chem 52, 1043–1049 (2016). https://doi.org/10.1134/S1070428016070228
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DOI: https://doi.org/10.1134/S1070428016070228