Abstract
The rate of dehydroaromatization of N-acyldihydropyridines under the influence of the 2,2,6,6-tetramethyl-1-oxopiperidinium cation increases in the case of electron-donor substituents and decreases in the case of electron-acceptor substituents in the acyl residue or in the α (γ) positions of the pyridine ring. The presence of an annelated benzene ring also decreases the rate of aromatization of dihydropyridines.
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See [1] for Communication 3.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 367–370, March, 1982.
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Sheinkman, A.K., Skorobogatova, Z.M. & Luk'yanenko, L.V. Dual reactivity of 1,2-disubstituted dihydro-N-heteroaromatic systems. 4. Factors that affect the rate of aromatization of substituted N-acyldihydropyridines. Chem Heterocycl Compd 18, 277–279 (1982). https://doi.org/10.1007/BF00522128
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DOI: https://doi.org/10.1007/BF00522128