[Pt(PPh3)4] in toluene carbonyl compound in toluene was added to bis(pinacolato)dibotane(4) and(Pt(PPh3)4) and stirred overnight at 110°C; toluene was removed under vac., mixt. was washed with water and extd. with pentane, extract was dried over MgSO4, pentane was removed under vac., product was purified by chromy. on silica (10percent Et2O-petroleum ether); elem. anal.;

sodium t-butanolate; [CuCl((C6H5)2C3H2N2(C6H2(CH3)3)2)] in methanol β-boration; 87percent conversion; 99percent chemoselectivity; 40percent ee (of S enantiomer);

1: pinacolato(diisopropanolaminato)diboron With copper(l) chloride in dichloromethane 0.0833333 h; Inert atmosphere; 2: 3-phenyl-propenal With 2,2,2-trifluoroethanol in dichloromethane T=40°C; 3 h; Inert atmosphere; regioselective reaction;

methanol; [Pd2(μ-C9H7NPPh2)(μ-O2CCH3)]2; water; caesium carbonate in toluene T=25°C; 6 h; Inert atmosphere;

α,α-diphenylprolinol O-TMS ether; potassium tert-butylate; copper(II) bis(trifluoromethanesulfonate); triphenylphosphine; 2-Fluoro-benzoic Acid in methanol; diethyl ether T=22°C; 1 h; Inert atmosphere; regioselective reaction;