quinoxaline
/kwɪˈnɒksəliːn/(also quinoxalin) Chemistry
noun
A weakly basic, crystalline, heterocyclic compound first prepared by reaction of glyoxal and o-phenylenediamine and used in organic synthesis.
- Quinoxaline has a bicyclic structure formed from fused benzene and pyrazine rings. Formula: C8H6N2..
Origin
Late 19th century; earliest use found in Journal of the Chemical Society. From German Chinoxalin from Chin- (in Chinolin) + -oxal (in Glyoxal) + -in, so called on account of its structural similarity to quinoline and its preparation from glyoxal.