Syntheses of 1-alkyl-2-(substituted-2-pyridyl)benzimidazoles
1-α-Pyridinium acetophenone chloride 2 on reaction with 2-cinnamoylbenzimidazoles 3 followed by alkylation yields1-alkyl-2-(substituted-2-pyridyl) benzimidazoles 5. The latter could also be synthesized by direct reaction of 2 with 1-alkyl-2-cinnamoylbenzimidazoles 6 in accordance with the Kroehnke's pyridine synthesis.
Dubey,Kumar, C. Ravi,Reddy, P. V. V. Prasada
p. 2115 - 2118
(2007/10/03)
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