REACTION OF 2,3-DICHLORO-5,6-DICYANOPYRAZINE WITH ENAMINES AND SOME TERTIARY-AMINES

Authors
HOU DF OSHIDA A MATSUOKA M
Citation
Df. Hou et al., REACTION OF 2,3-DICHLORO-5,6-DICYANOPYRAZINE WITH ENAMINES AND SOME TERTIARY-AMINES, Journal of heterocyclic chemistry, 30(6), 1993, pp. 1571-1575
Citations number
8
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Journal of heterocyclic chemistry → ACNP
ISSN journal
0022152X
Volume
30
Issue
6
Year of publication
1993
Pages
1571 - 1575
Database
ISI
SICI code
0022-152X(1993)30:6<1571:RO2WEA>2.0.ZU;2-B
Abstract
The reaction of 2,3-dichloro-5,6-dicyanopyrazine (1) with enamines as well as a few tertiary amines as enamine precursors was investigated. Both reactions gave aminovinyl-substituted pyrazine derivatives. Durin g the attempted purification of 3c or 3d by column chromatography on s ilica gel, loro-5,6-dicyano-3-(1'-oxocyclopent-2'-yl)pyrazine (4) was obtained, apparently by hydrolytic cleavage. The products prepared are all of interest as potential pesticides.