tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=70°C; Substitution; 5 h;

tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=0 - 5°C; Substitution; 8 h;

1-phenylphospholane-1-oxide; (Ph)2SiH2; N-ethyl-N,N-diisopropylamine in toluene T=100°C; Wittig Olefination; 24 h; Inert atmosphere; Reagent/catalyst;

in dimethyl sulfoxide T=80°C; 20 h;

tetrabutylammonium tetrafluoroborate; phenyl silane; N-ethyl-N,N-diisopropylamine; 1-(n-butyl)phospholane-1-oxide; 4-nitro-benzoic acid in ethyl acetate T=20°C; Wittig Olefination; 24 h; Inert atmosphereSealed tubeSchlenk technique; Overall yield = 61 percent; Overall yield = 198 mg; diastereoselective reaction;

N,N,N',N,-tetramethylethylenediamine; chloroformic acid ethyl ester; lithium diisopropyl amide Yield given. Multistep reaction;

lithium diethylamide 1.) THF, -78 deg C, 1 h, 2.) THF, a.) -78 deg C, 2 h, b.) RT, 1 h; Yield given. Multistep reaction;

sodium methylate; benzene