Reactions of piperidine with aldehydes over alumina: A facile route to 3-alkylpyridinesM, Jayamani and C N, Pillai (1984) Reactions of piperidine with aldehydes over alumina: A facile route to 3-alkylpyridines. Journal of Catalysis , 87 (2). pp. 478-481.
AbstractA mixture of an aldehyde and piperidine dissolved in benzene or a benzene solution of the corresponding alkylidene bis-1-piperidine, when passed over alumina at 420 °C gave, among other products, 3-alkylpyridine in 20–40% yield. Possible mechanism of the reaction is discussed.
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