Brimble Margaret A., Johnston Andrew D., Tetrahedron, 50 (1994) N 16, S 4887- 4896
作者:Brimble Margaret A., Johnston Andrew D.
DOI:——
日期:——
Synthesis of bicyclic pyrazinones via addition of heterocyclic amines to a nitro-alkene
作者:Margaret A. Brimble、Andrew D. Johnston
DOI:10.1016/s0040-4020(01)85023-7
日期:1994.4
Michael addition of heterocyclic amines (6), (10), (13) and (17) to nitro-olefin (3) followed by reduction/cyclization of the nitro group of the adduct provides a convenient synthesis of the bicyclic pyrazinones (8), (12), (16), (19) and (20) which are found in several natural products.