ChemInform Abstract: Oxidative Reactions of Azines. Part 4. Coupling of 4-Aryl-1,2,5,6-tetrahydropyridines with Compounds Containing Activated Methyl Group. Synthesis and Structure of 2-Acylmethylidene- and 2-Nitromethylidene-1,2,5,6-tetrahydropyridines.
Abstract
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ChemInform Abstract
A new C-C bond formation reaction by coupling of tetrahydropyridines (I) and (IV) with compounds bearing activated methyl groups (II) is described. The reaction gives the corresponding acyl- or nitromethylidene derivatives (III) and (V) with a preference to the E-isomer.