130879-49-1Relevant articles and documents
GENERATION OF SPECIFICALLY SUBSTITUTED PYRIDINES AND PYRIDONES FROM 2(1H) PYRAZINONES AND ACETYLENES: A FMO DESCRIPTION
Tutonda, M.,Vanderzande, D.,Hendrickx, M.,Hoornaert, G.
, p. 5715 - 5732 (1990)
The title compounds were obtained from reaction of variously substituted 2(1H)pyrazinones with acetylenic derivatives.Experimental evidence points out to a two step mechanism: a Diels Alder cycloaddition followed by immediate decomposition of the adducts