Abstract
Diaminofurazan reacted with 8-benzoyl-2-phenyl-3,4-dihydropyrrolo[1,2-a]pyrazine-1,6,7(2H)- trione to give addition product of the amino group to the double bond of the pyrrole ring, which underwent cyclization to 2,8-diphenyl-3,4-dihydro[1,2,5]oxadiazolo[3,4-b]pyrazino[1′,2′: 1,2]pyrrolo[2,3-e][1,4]diazepine-1,6,7(2H,9H,13H)-trione by the action of N,N′-dicyclohexylcarbodiimide.
References
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Chervyakov, A.V. and Maslivets, A.N., Russ. J. Org. Chem., 2016, vol. 52, p. 610.
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Original Russian Text © A.V. Chervyakov, A.N. Maslivets, 2018, published in Zhurnal Organicheskoi Khimii, 2018, Vol. 54, No. 3, pp. 505–506.
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Chervyakov, A.V., Maslivets, A.N. Synthesis of Angular [1,2,5]Oxadiazolo[3,4-b]pyrazino-[1′,2′ : 1,2]pyrrolo[2,3-e][1,4]diazepine by Stepwise Reaction of Pyrrolo[1,2-a]pyrazinetrione with 3,4-Diaminofurazan. Russ J Org Chem 54, 512–513 (2018). https://doi.org/10.1134/S1070428018030235
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DOI: https://doi.org/10.1134/S1070428018030235