ChemInform Abstract: Pyrazines. Part 19. A Novel Formation of Alkenynylpyrazines in Palladium-Catalyzed Reaction of 2-Chloropyrazine and Its N-Oxide with Acetylenes.
Abstract
The formation of the title alkenynylpyrazines (IV) is explained by codimerization of the products (III) with the alkynes (II).
ChemInform Abstract
The formation of the title alkenynylpyrazines (IV) is explained by codimerization of the products (III) with the alkynes (II). 2-Chloropyrazine reacts analogously to its N-oxide (I).