Electrochemical reduction of N-(2-nitro-4-R-phenyl)pyridinium salts using redox-mediators

Electrochemical reduction of N-(2-nitro-4-R-phenyl)pyridinium salts using redox-mediators Научная публикация

Журнал

Russian Chemical Bulletin
ISSN: 1573-9171 , E-ISSN: 1066-5285

Вых. Данные

Год: 2016, Том: 65, Номер: 1, Страницы: 209-214 Страниц : 6 DOI: 10.1007/s11172-016-1286-2

Авторы

Sokolov A.A. ¹ , Begunov R.S. ¹ , Syroeshkin M.A. ² , Mikhal’chenko L.V. ² , Leonova M.Yu. ² , Gul’tyai V.P. ²

Организации

1	P. G. Demidov Yaroslavl State University, 14 ul. Sovetskaya, 150000 Yaroslavl, Russian Federation
2	N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russian Federation

Electrochemical reduction of N-(2-nitroaryl)pyridinium chlorides was accomplished in acidic aqueous alcoholic medium in the galvanostatic mode using tin, titanium, vanadium, and iron chlorides as redox-mediators. The use of SnCl2 as a mediator catalyst made it possible to shorten the electrosynthesis time as compared to the direct electroreduction on an electrode and prepare the intramolecular cyclization products, viz., substituted pyrido[1,2-a]benzimidazoles, in high yield. The influence of the mediator nature and its amount, current density, temperature, cathode material, medium acidity, and the substrate structure on the efficiency of reductive heterocyclization of N-(2-nitroaryl)pyridinium salts was studied.

Sokolov A.A. , Begunov R.S. , Syroeshkin M.A. , Mikhal’chenko L.V. , Leonova M.Y. , Gul’tyai V.P.
Electrochemical reduction of N-(2-nitro-4-R-phenyl)pyridinium salts using redox-mediators
Russian Chemical Bulletin. 2016. V.65. N1. P.209-214. DOI: 10.1007/s11172-016-1286-2 WOS Scopus OpenAlex

Web of science:	WOS:000387229800028
Scopus:	2-s2.0-84992736547
OpenAlex:	W2541495307

БД	Цитирований
OpenAlex	5
Scopus	3
Web of science	3