Syntheses and reactions of some 4, 5??dihaloimidazole??2??carboxylic acid derivatives

JP Dirlam, RB James, EV Shoop

文献索引：Dirlam, John P.; James, Richard B.; Shoop, Eleanor V. Journal of Heterocyclic Chemistry, 1980 , vol. 17, p. 409 - 411

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被引用次数: 7

摘要

Abstract The preparation of 5H, 10H-diimidazo [1, 2-a: 1′, 2′-d] pyrazine-5, 10-dione (2a) and its 2, 3, 7, 8-tetrabromo-and 2, 3, 7, 8-tetrachloro-analogs (2b and 2c, respectively) is reported. These dimers, when allowed to react with various anilines, afford imidazole-2- carboxamides (3a-c).