Improved method for the obtaining DTTA-appended 2,2’-bipyridine ligands for lanthanide cations

The composition of the reaction mixture after DTTA tert-butyl ester alkylation with 6'-halomethyl-5-phenyl-2,2'-bipyridines was studied. In addition to the target product, DTTA-appended 2,2’-bipyridine, the corresponding 6'-hydroxymethyl-substituted 2,2’-bipyridine and (5'-phenyl...

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Bibliographic Details
Published in:	Chimica Techno Acta Vol. 9; no. 2
Main Authors:	Dmitry S. Kopchuk, Alexey P. Krinochkin, Мaria I. Valieva, Еkaterina S. Starnovskaya, Yaroslav K. Shtaitz, Svetlana S. Rybakova, Evgeny D. Ladin, Ekaterina A. Kudryashova, Elvira R. Sharafieva, Оleg N. Chupakhin
Format:	Journal Article
Language:	English
Published:	Uralʹskij federalʹnyj universitet imeni pervogo Prezidenta Rossii B.N. Elʹcina 30-05-2022
Subjects:	2,2'-bipyridines alkylation dtta tert-butyl ester finkelstein reaction ligands for lanthanide cations
Online Access:	Get full text
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Summary:	The composition of the reaction mixture after DTTA tert-butyl ester alkylation with 6'-halomethyl-5-phenyl-2,2'-bipyridines was studied. In addition to the target product, DTTA-appended 2,2’-bipyridine, the corresponding 6'-hydroxymethyl-substituted 2,2’-bipyridine and (5'-phenyl-[2,2'-bipyridin]-6-yl)methyl formate were isolated as by-products in some cases. Finally, an improved procedure for the DTTA tert-butyl ester alkylation with 6'-halomethyl-5-phenyl-2,2'-bipyridines by using Finkelstein reaction was developed.
ISSN:	2411-1414
DOI:	10.15826/chimtech.2022.9.2.10