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Report | Regular issue | Vol 19, No. 2, 1982, pp.329-331
Published online, 1st January, 1970
DOI: 10.3987/R-1982-02-0329
Facile Syntheses of (Z)- and (E)-2,5-Dimethyl-3-styrylpyrazines, Isolated from the Argentine Ants

Yasuo Akita and Akihiro Ohta

*Tokyo University of Pharmacy and Life Science, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan

Abstract

Syntheses of (Z)- and (E)-2,5-dimethyl-3-styrylpyrazines, isolated from Iridomyrmex humilis, were performed by replacing the chlorine atom of 3-chloro-2,5-dimethylpyrazine with C-substituents, utilizing tetrakis(triphenylphosphine)palladium as catalyst.