Abstract An investigation has been made of the synthesis of two new organofunctional disilanes,(dichloromethyl) pentamethyldisilane and 1, 2-bis (chloromethyl) tetramethyldisilane, and some reactions of these and the previously reported (chloromethyl) pentamethyldisilane.(Dichloromethyl) pentamethyldisilane undergoes intramolecular rearrangement with anhydrous aluminum chloride to give either (trimethylsilyl)( ...