Title of article :
Pyrrolo[1,2,3-de]quinoxalines: unexpected products from 1,3-dipolar cycloaddition of dihydroimidazolium ylides
Author/Authors :
Jones، نويسنده , , Raymond C.F and Iley، نويسنده , , James N and Lory، نويسنده , , Pedro M.J and Coles، نويسنده , , Simon C and Light، نويسنده , , Mark E and Hursthouse، نويسنده , , Michael B، نويسنده ,
Abstract :
4,5-Dihydroimidazoles undergo an N-alkylation and 1,3-dipolar cycloaddition cascade with unsaturated α-bromoketones, with subsequent eliminative ring-opening, recyclisation and tautomerisation to form unexpected hexahydropyrrolo[1,2,3-de]quinoxalines.