Johnson and Haggard'made the observation that, when n-allylmercapto-4-methyl-6- oxypyPimidine (I) undergoes alkylation in alcoholic solution and in the presence of sodium ethylate, there is no tendency, apparently, for the alkyl group of the halide to substitute in position 3 of the pyrimidine ring to form a compound corresponding to Formula 11. Either an imido ester combination (IV) is formed or a mixture of this with a 1-alky1 derivative as ...
[Schmedes Justus Liebigs Annalen der Chemie, 1925 , vol. 441, p. 199 Full Text Show Details Behrend; Haertel Justus Liebigs Annalen der Chemie, 1921 , vol. 422, p. 84]