PALLADIUM-CATALYZED CYCLIZATION OF ALKENYL AND ARYL HALIDES CONTAINING α,β-UNSATURATED CARBONYL GROUPS VIA INTRAMOLECULAR CARBOPALLADATION

Article abstract of DOI:10.1016/S0040-4039(00)80376-7

Treatment of alkenyl and aryl iodides and bromides containing an appropriate α,β-unsaturated carbonyl group with a catalytic amount (3-5 molpercent) of either a Pd(0) or a Pd(II) complex, e.g., Pd(Ph3)4, and a base, e.g., NEt3, can induce highly regiosele