2 h; from -78 deg C to RT;

in diethyl ether Ambient temperature-78 deg C to room temp.;

oxygen 1.) 2-MeTHF, -125 deg C; 2.) -125 deg C; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

in tetrahydrofuran T=-78°C; 2 h;

in tetrahydrofuran; diethyl ether under N2, addn. of a soln. of 2-lithiobenzothiazole in Et2O to soln. of triphenylstannylmethyliodide in THF, stirring at -78 ° C for 1 h, warming up to room temp.; evapn. resdue redissolved in cyclohexane/ethyl acetate (1:3), washing with water, organic layer dried over MgSO4, solvent removal, crystn. of Ph3Sn2Ph3 from petroleum ether;

in tetrahydrofuran; diethyl ether under N2, addn. of a soln. of triphenylstannylmethyliodide in THF to a soln. of 2-lithiobenzothiazole in Et2O , stirring for 1 h at -78 ° C, warming up to room temp.; evapn., solving in cyclohexane/ethyl acetate 1/3, washing with water, organic layer dried over MgSO4, crystalline Ph3Sn2Ph3 obtained from petroleum ether;

1-azidostyrene in tetrahydrofuran 2 h; from -78 deg.C to room temp.;

oxygen 1.) 2-MeTHF, -125 deg C; 2.) -125 deg C; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

in diethyl ether

1: in diethyl ether T=-78°C; 4 h; 2: With anhydrous sodium pyrophosphate in pentane T=0 - 4°C;