X=Y-ZH Systems as Potential 1,3-Dipoles. Part 36. 1,5-Electrocyclisation Processes via Oxidation of Tertiary Amines. Pyrrolo-dihydroisoquinolines and -dihydro-β-carbolines.

Article abstract of DOI:10.1016/S0040-4020(01)81190-X

A range of tertiary N-allylamines derived from 1,2,3,4-tetrahydroisoquinoline undergo oxidative cyclisation, induced by Ag2CO3, to pyrrolo-dihydroisoquinolines in moderate to good yield.Analogous oxidative cyclisations are reported for N-allyl-tetrahydro-