Russian Journal of Organic Chemistry, volume 54, issue 9, pages 1363-1368
New Strategy of the Synthesis of 3,4-Dihydropyrimido[1,2-a]benzimidazol-2(1H)-ones
A O Kharaneko
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Litvinenko Institute of Physical Organic and Coal Chemistry, Donetsk, Ukraine
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Publication type: Journal Article
Publication date: 2018-09-01
Journal:
Russian Journal of Organic Chemistry
scimago Q4
SJR: 0.189
CiteScore: 1.4
Impact factor: 0.8
ISSN: 10704280, 16083393
Organic Chemistry
Abstract
A new procedure has been developed for preparative synthesis of 3,4-dihydropyrimido[1,2-a]-benzimidazol-2(1H)-ones by thermal intramolecular heterocyclization of 3-[2-(propylsulfanyl)- and 2-(benzylsulfanyl)-1H-benzimidazol-1-yl]propanehydrazides and 3-[2-(benzylsulfanyl)-1H-benzimidazol-1-yl]-propanamide.
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