Synthesis of 2-Hydrazinylpyridine-3,4-dicarbonitriles and Their Reaction with Salicylaldehyde Derivatives


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2-Chloropyridine-3,4-dicarbonitriles reacted with hydrazine hydrate in ethanol to give 2-hydrazinylpyridine- 3,4-dicarbonitriles. Condensation of the latter with salicylaldehyde and its substituted derivatives afforded the corresponding 2-{2-[2-hydroxyphenylmethylidene]hydrazinyl}pyridine-3,4-dicarbonitriles. The fluorescence spectra of the hydrazones obtained from 3-methoxysalicylaldehyde showed sensitivity toward zinc ions.

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O. Ershov

I.N. Ul’yanov Chuvash State University

编辑信件的主要联系方式.
Email: oleg.ershov@mail.ru
俄罗斯联邦, Moskovskii pr. 15, Cheboksary, 428015

M. Ievlev

I.N. Ul’yanov Chuvash State University

Email: oleg.ershov@mail.ru
俄罗斯联邦, Moskovskii pr. 15, Cheboksary, 428015

M. Belikov

I.N. Ul’yanov Chuvash State University

Email: oleg.ershov@mail.ru
俄罗斯联邦, Moskovskii pr. 15, Cheboksary, 428015

V. Maksimova

I.N. Ul’yanov Chuvash State University

Email: oleg.ershov@mail.ru
俄罗斯联邦, Moskovskii pr. 15, Cheboksary, 428015

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