A Sequence of Palladium-Catalyzed Borylation of Allyl Acetates with Bis(pinacolato)diboron and Intramolecular Allylboration for the Cyclization of Oxo-2-alkenyl Acetates

Abstract

Abstract The cross-coupling reaction of bis(pinacolato)diboron with oxo-2-alkenyl acetates in toluene at 50 °C in the presence of Pd(dba)2/2 AsPh3 (3 mol%) to give allylboronates was followed by the intramolecular allylboration at 100 °C. The sequence provided cyclic homoallyl alcohols in high yields.