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Synthesis, acid-base and complexing properties of N,N,N′,N′-tetrakis(O-butylhydroxyphosphorylmethyl)-1,2-diaminoethane


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Abstract

A method of synthesis of organophosphorus analog of ethylenediaminetetraacetic acid (a common complexon), N,N,N′,N′-tetrakis(O-butylhydroxyphosphorylmethyl)-1,2-diaminoethane, has been elaborated. The product structure has been elucidated by means of NMR spectroscopy and X-ray diffraction analysis. Constants of the acid dissociation and the stability of the 1 : 1 complexes with Co(II), Ni(II), and Cu(II) ions have been determined.

About the authors

I. D. Shurygin

Kazan Federal University

Author for correspondence.
Email: idshurygin@gmail.com
Russian Federation, ul. Kremlevskaya 18, Kazan, Tatarstan, 420008

A. R. Garifzyanov

Kazan Federal University

Email: idshurygin@gmail.com
Russian Federation, ul. Kremlevskaya 18, Kazan, Tatarstan, 420008

R. A. Cherkasov

Kazan Federal University

Email: idshurygin@gmail.com
Russian Federation, ul. Kremlevskaya 18, Kazan, Tatarstan, 420008

K. A. Ivshin

Kazan Federal University; Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center

Email: idshurygin@gmail.com
Russian Federation, ul. Kremlevskaya 18, Kazan, Tatarstan, 420008; Kazan, Tatarstan

O. N. Kataeva

Kazan Federal University; Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center

Email: idshurygin@gmail.com
Russian Federation, ul. Kremlevskaya 18, Kazan, Tatarstan, 420008; Kazan, Tatarstan

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