1: 89 percent / DBU, LiCl / acetonitrile 2: 94 percent / NEt3, CuI / bis-ditriphenylphosphine palladium chloride / tetrahydrofuran 3: NEt3, CuI / bis-ditriphenylphosphine palladium chloride / tetrahydrofuran 4: MeOH / K2CO3 View Scheme

1: 86 percent / PDC, Celite / CH2Cl2 2: 89 percent / DBU, LiCl / acetonitrile 3: 94 percent / NEt3, CuI / bis-ditriphenylphosphine palladium chloride / tetrahydrofuran 4: NEt3, CuI / bis-ditriphenylphosphine palladium chloride / tetrahydrofuran 5: MeOH / K2CO3 View Scheme

1: 94 percent / NEt3, CuI / bis-ditriphenylphosphine palladium chloride / tetrahydrofuran 2: NEt3, CuI / bis-ditriphenylphosphine palladium chloride / tetrahydrofuran 3: MeOH / K2CO3 View Scheme

1: NEt3, CuI / bis-ditriphenylphosphine palladium chloride / tetrahydrofuran 2: MeOH / K2CO3 View Scheme