Abstract
2-Fluoromethyl derivatives of perimidine and 1-methylperimidine were obtained by the reaction of naphthalene-1,8-diamines with bromides of fluoroacetic acids. It is demonstrated in the case of acidic deuterium exchange and trifluoro-acetylation that the decrease in the basicity in the 2-methyl-, 2-fluoromethyl-,2-difluoromethyl-, and 2-trifluoromethylperimidine series promotes electrophilic substitution in the naphthalene ring. The previously unknown 6(7)-carboxylic acids of the perimidine series were obtained by alkaline hydrolysis of the trifluoroacetyl group.
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See [1] for Communication 53
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1106–1113, August, 1981.
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Yurchuk, G.G., Pozharskii, A.F. Heterocyclic analogs of pleiadiene. 54. Synthesis, basicities, and behavior with respect to electrophilic agents of 2-fluoromethyl- and 2-difluoromethyl-perimidines. Synthesis of perimidine-6(7)-carboxylic acids. Chem Heterocycl Compd 17, 825–831 (1981). https://doi.org/10.1007/BF00503668
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DOI: https://doi.org/10.1007/BF00503668