108472-96-4Relevant academic research and scientific papers
Pteridines. 51. A New and Unequivocal Route to C-6 Carbon-Substituted Pterins and Pteridines
Taylor, Edward C.,Ray, Partha S.
, p. 3997 - 4000 (1987)
Coupling of terminal acetylenes with 2-amino-3-cyano-5-bromopyrazine in the presence of catalytic amounts of palladium(II) salts and Cu(I) gave a series of 5-ethynyl derivatives which were cyclized with guanidine to 2,4-diamino-6-ethynyl-substituted pteri
