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Strategy for the Synthesis of pyrazolo[5,1-d][1,2,5]triazepinones, a new heterocyclic system

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Abstract

A preparative procedure has been developed for the synthesis of 4-oxo-7-phenyl-5,8-dihydro-4H-pyrazolo[ 5,1-d][1,2,5]triazepine-2-carbohydrazide, the first representative of a new heterocyclic system, by recyclization of methyl 4-oxo-6-phenyl-4H-pyrazolo[5,1-c][1,4]oxazine-2-carboxylate with hydrazine hydrate.

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Authors and Affiliations

  1. Litvinenko Institute of Physical Organic and Coal Chemistry, ul. R. Lyuksemburg 70, Donetsk, 83114, Ukraine

    A. O. Kharaneko

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  1. A. O. Kharaneko
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Correspondence to A. O. Kharaneko.

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Original Russian Text © A.O. Kharaneko, 2016, published in Zhurnal Organicheskoi Khimii, 2016, Vol. 52, No. 9, pp. 1334–1337.

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Kharaneko, A.O. Strategy for the Synthesis of pyrazolo[5,1-d][1,2,5]triazepinones, a new heterocyclic system. Russ J Org Chem 52, 1322–1325 (2016). https://doi.org/10.1134/S1070428016090128

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  • DOI: https://doi.org/10.1134/S1070428016090128

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