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a) 3′ (1.2 equiv), Pd(OAc)2 (5 mol %), K2CO3 (2 equiv), AdCOOH (20 mol %), MeCN, 100 °C, 6 h. b) 3 (1.2 equiv), Pd(OAc)2 (10 mol %), K2CO3 (2 equiv), DCE, 80 °C, 24 h. c) Iodocyclohexene (2 equiv), Pd(OAc)2 (5 mol %), KHCO3 (2 equiv), 2‐Ph‐C6H4CO2H (oPBA, 20 mol %), DCE, 100 °C, 24 h. d) (E)‐(2‐iodovinyl)benzene (2 equiv), Pd(OAc)2 (5 mol %), KHCO3 (2 equiv), oPBA (20 mol %), DCE, 100 °C, 20 h. [e] Yield determined by 1H NMR analysis of unpurified reaction mixture.
