Transformations of 2-methyl-6-(methylsulfanyl)-5-phenyl-2,3-dihydropyridine in the presence of potassium  tert -butoxide: Concurrent aromatization and dimerization processes

O. A. Tarasova; N. A. Nedolya; A. I. Albanov; B. A. Trofimov

doi:10.1134/S1070428017010250

Transformations of 2-methyl-6-(methylsulfanyl)-5-phenyl-2,3-dihydropyridine in the presence of potassium tert-butoxide: Concurrent aromatization and dimerization processes

Authors: Tarasova O.A.¹, Nedolya N.A.¹, Albanov A.I.¹, Trofimov B.A.¹
Affiliations:
1. Favorskii Irkutsk Institute of Chemistry, Siberian Branch
Issue: Vol 53, No 1 (2017)
Pages: 130-133
Section: Short Communications
URL: https://journal-vniispk.ru/1070-4280/article/view/215698
DOI: https://doi.org/10.1134/S1070428017010250
ID: 215698

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Abstract

Aromatization of 2-methyl-6-(methylsulfanyl)-5-phenyl-2,3-dihydropyridine in DMSO in the presence of potassium tert-butoxide is accompanied by dimerization with formation of a mixture of 6-methyl-2-(methylsulfanyl)-3-phenylpyridine (major product), 2-methyl-6-(methylsulfanyl)-5-phenyl-2,3,4,5-tetrahydropyridine, and 2-methyl-4-[2-methyl-6-(methylsulfanyl)-5-phenyl-2,3-dihydropyridin-3-yl]-6-(methylsulfanyl)- 5-phenyl-2,3,4,5-tetrahydropyridine.