1.1: 90 percent / [Ti(O-i-Pr)4]; i-PrMgCl / diethyl ether / -78 - -50 °C 2.1: 65 percent / I2 / CH2Cl2 3.1: 90 percent / NEt3; DMAP / CH2Cl2 4.1: 50 percent / 9-BBN; K3PO4 / [PdCl2(dppf)] / tetrahydrofuran; dimethylformamide; H2O / 60 °C 5.1: 84 percent / NaOH; H2O / methanol 6.1: 2,4,6-trichlorobenzoyl chloride; NEt3 / tetrahydrofuran 6.2: 88 percent / DMAP / toluene; tetrahydrofuran 7.1: 99 percent / HF*pyridine / tetrahydrofuran 8.1: 49 percent / 3,3-dimethyldioxirane / CH2Cl2 / -35 °C View Scheme

1.1: 90 percent / [Ti(O-i-Pr)4]; i-PrMgCl / diethyl ether / -78 - -50 °C 2.1: 65 percent / I2 / CH2Cl2 3.1: 90 percent / NEt3; DMAP / CH2Cl2 4.1: 50 percent / 9-BBN; K3PO4 / [PdCl2(dppf)] / tetrahydrofuran; dimethylformamide; H2O / 60 °C 5.1: 84 percent / NaOH; H2O / methanol 6.1: 2,4,6-trichlorobenzoyl chloride; NEt3 / tetrahydrofuran 6.2: 88 percent / DMAP / toluene; tetrahydrofuran 7.1: 99 percent / HF*pyridine / tetrahydrofuran View Scheme