630112-53-7Relevant articles and documents
An Unusual Oxidative Ring Transformation of Purine to Imidazo[1,5-c] imidazole
Poje, Nevenka,Poje, Mirko
, p. 4265 - 4268 (2007/10/03)
(Equation presented) Reevaluation of products derived from 3, 9-dimethyluric acid in a chlorination-reductive dechlorinaton sequence has demonstrated unequivocally that they are not purines. Spectroscopic and degradative evidence, in conjunction with position-labeling NMR studies, revealed an unprecedented oxidative ring transformation pathway involving the key purine-to-imidazo[1,5-c]imidazole rearrangement.