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Modification of Monocarboxylic Acid Hydrazides with Tropylium Salts

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Abstract

Nicotinic, isonicotinic, and furan-2-carboxylic acid hydrazides reacted with 2 equiv of tropylium perchlorate or tetrafluoroborate to give the corresponding N′N′-di(cyclohepta-2,4,6-trein-1-yl) derivatives as a result of electrophilic substitution of both hydrogen atoms in the primary amino group. The reaction of furan-2-carbohydrazide with an equimolar amount of tropylium salt gave N′-(cyclohepta-2,4,6-trien-1-yl)furan-2-carbohydrazide.

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Funding

This study was performed under financial support by the Russian Foundation for Basic Research (project no. 19-03-00888).

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Authors and Affiliations

  1. Pryanishnikov Perm State Agro-Technological University, Perm, 614990, Russia

    L. P. Yunnikova & V. V. Esenbaeva

Authors
  1. L. P. Yunnikova
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  2. V. V. Esenbaeva
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Correspondence to L. P. Yunnikova.

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Conflict of Interests

The authors declare the absence of conflict of interests.

Russian Text © The Author(s), 2019, published in Zhurnal Organicheskoi Khimii, 2019, Vol. 55, No. 12, pp. 1950–1952.

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Yunnikova, L.P., Esenbaeva, V.V. Modification of Monocarboxylic Acid Hydrazides with Tropylium Salts. Russ J Org Chem 55, 1982–1984 (2019). https://doi.org/10.1134/S1070428019120315

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  • DOI: https://doi.org/10.1134/S1070428019120315

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