Abstract

AbstractThe combination of palladium(II) acetate/(R)‐xylyl‐Phanephos and silver triflate (Pd:Ag=1:1) was found to be an efficient catalytic system for the asymmetric ring opening reactions of oxabenzonorbornadienes with terminal alkynes. The products were typically afforded in good yields (up to 95% yield) and with high enantioselectivities (up to 99% ee).magnified image

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