copper(I) bromide in tetrahydrofuran T=0°C; 1.5 h;

copper(I) bromide in tetrahydrofuran T=0°C; 15 h; other temperature, reaction in the presence of copper(I) benzothiazole-2-thiolate; reactions of 2-allylthiobenzothiazoles with organocopper reagents; effect of ratio of Grignard reagent:CuBr on the regioselectivity and SN2:SN2'product ratio; Product distribution;