methyltrichloromonosilane; triethylamine in benzene T=70°C; 4 h; other reagents: triethylamine/trichlorosilane, triethylamine/dichlorodimethylsilane, triethylamine/chlorotrimethylsilane; Yield given;

pyridine in dichloromethane 3 h; Ambient temperature;

copper(ll) bromide in tetrahydrofuran T=20°C; 3.25 h;