64738-16-5Relevant articles and documents
Syntheses and Reactions of Some 4,5-Dihaloimidazole-2-carboxylic Acid Derivatives
Dirlam, John P.,James, Richard B.,Shoop, Eleanor V.
, p. 409 - 411 (2007/10/02)
The preparation of 5H,10H-diimidazopyrazine-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).