Palladium(II) Acetate Catalyzed Tandem Cycloisomerization and Oxidation of Arylvinylcyclopropenes Using <i>p</i>-Benzoquinone as Oxidant and Pro-nucleophile

2009-11-19T00:00:00Z (GMT) by Zhi-Bin Zhu Min Shi
Catalyzed by Pd(II)/<i>p</i>-BQ, a tandem cycloisomerization and oxidation of arylvinylcyclopropenes took place smoothly to produce methyleneindene derivatives stereoselectively in moderate to excellent yields, affording an unusual example of solo addition by <i>p</i>-hydroquinone generated by oxidation of Pd(0) to Pd(II) along with the formation of a new C−O bond.