128455-84-5Relevant articles and documents
Studies on Pyrazines. 19. A Novel Formation of Alkenynylpyrazines in Palladium-catalyzed Reaction of 2-Chloropyrazine and its N-Oxide with Acetylenes
Sato, Nobuhiro,Hayakawa, Akemi,Takeuchi, Ryo
, p. 503 - 506 (2007/10/02)
Reaction of 3-chloropyrazine 1-oxide (1) with 1-hexyne (2a) in the presence of tetrakis(triphenylphosphine)palladium (0) and potassium acetate in DMF afforded 3-(1-hexynyl)pyrazine 1-oxide (3a) and 3-(2-butyl-1-octen-3-ynyl)pyrazine 1-oxide (4a).The novel