aluminium trichloride in dichloromethane added at -70 deg C, then at room temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
J. Gen. Chem. USSR (Engl. Transl.), , vol. 52, # 6 p. 1328 - 1334,1170 - 1175