1: 3-phenylpropanol tert-butyldimethylsilyl ether With bismuth trifluoromethanesulphonate; water in acetonitrile
T=20°C; 1.5 h;
2: With 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical; iodosylbenzene in acetonitrile
T=20°C; 2 h;
3: ethyl (triphenylphosphoranylidene)acetate in acetonitrile
T=0 - 20°C; 1 h; optical yield given as percent de;
