Synthesis of 2- and 4-imino(1,2-a)pyridopyrimidines from allenic nitriles and 2-aminopyridines |
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| Authors: | Z.Tanee Fomum J.Tanyi Mbafor Phyllis D. Landor Stephen R. Landor |
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| Affiliation: | University of Yaounde, Cameroon;Department of Chemistry, University of the West Indies, Kingston 7, Jamaica |
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| Abstract: | 4,4-Dialkylallenyl nitriles and 2-aminopyridines give 2-alkyl-4-iminopyrido(1,2-a)pyrimidines as monohydrates in about 90% yield and 4-monoalkylallenyl nitriles similarly give 4-alkyl-2-imino(1,2-a)pyrimidines. |
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