trimethylsilyl trifluoromethanesulfonate in dichloromethane T=-40°C; Inert atmosphereMolecular sieve; optical yield given as percent destereoselective reaction;

trimethylsilyl trifluoromethanesulfonate in dichloromethane T=-40°C; Inert atmosphereMolecular sieve; optical yield given as percent destereoselective reaction;

Multistep reaction;

trimethylsilyl trifluoromethanesulfonate in dichloromethane T=-40°C; Inert atmosphereMolecular sieve; optical yield given as percent destereoselective reaction;

trimethylsilyl trifluoromethanesulfonate in dichloromethane T=-78°C; 1 h; Inert atmosphereMolecular sieve; optical yield given as percent dediastereoselective reaction;

1: 67 percent / trimethylsilyl trifluoromethanesulfonate / CH2Cl2; toluene / -30 - 20 °C 2: 82 percent / lutidine; DMAP / CH2Cl2 / 0 - 20 °C 3: 68 percent / potassium acetate; dppf; dppp / palladium acetate / dimethylsulfoxide / 15 h / 75 °C 4: 100 percent / H2; palladium hydroxide on activated carbon / methanol; acetic acid; H2O / 10 h 5: 90 percent / SOCl2 / methanol / 0 °C View Scheme