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

Autor: John P. Dirlam, Eleanor V. Shoop, Richard B. James
Rok vydání: 1980
Předmět:
Zdroj: Journal of Heterocyclic Chemistry. 17:409-411
ISSN: 1943-5193
0022-152X
DOI: 10.1002/jhet.5570170244
Popis: 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).
Databáze: OpenAIRE
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