Room Temperature Catalytic Aromatization of Hantzsch 1,4-Dihydropyridines by Sodium Nitrite in the Presence of Acidic Silica Gel |
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| Authors: | Mohammed M Hashemi Hossein Ghafuri Zahed Karimi-Jaberi |
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| Institution: | (1) Department of Chemistry, Sharif University of Technology, P.O. Box 11365-9516, Tehran, Iran |
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| Abstract: | Summary. Various alkyl, aryl, and heterocyclic Hantzsch 1,4-dihydropyridines were converted to the corresponding pyridines in excellent yields and short times using sodium nitrite
in the presence of a catalytic amount of acidic silica gel at room temperature. |
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| Keywords: | , Hantzsch 1,4-dihydropyridines, Aromatization, Sodium nitrite, Silica gel, |
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