A. Daich et al., SYNTHESIS OF BENZO(OR FURO)[5,6]AZEPINO[2,1-A]ISOINDOLONE DERIVATIVES- PI-CYCLIZATIONS OF N-ACYLIMINIUM IONS, Tetrahedron letters, 39(50), 1998, pp. 9187-9190
Benzo(or furo)[5,6]azepino[2,1-a]isoindolone and derivatives were obta
ined easily in one-pot via N-acyliminium ions by treatment of 2-(2-met
hoxycarbonylbenzyl(or fur-3-yl))phthalimide with alkylmagnesium iodide
followed by an acidic hydrolysis. (C) 1998 Elsevier Science Ltd. All
rights reserved.