E. O. Chukhajian, M. Nalbandyan, A. Gevorkyan
Oct 10, 2008
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Journal
Chemistry of Heterocyclic Compounds
Abstract
Cyclization of dimethylcrotyl(3-vinyl-or-3-isopropenylpropyn-2-yl)ammonium bromides in the presence of base gave a mixture of the isomeric 2,2-dialkyl-4-methyl-and 2,2-dialkyl-4,6-dimethyl-2,6,7,7a-tetrahydro-1H-isoindolium bromides. Basic fission of the salts obtained at increased temperature gave a mixture of the isomeric N,N-disubstituted di-and trimethylbenzylamines whose structures were confirmed by their IR, 1H NMR, and 13C NMR spectra.