hydrogenchloride; dibutylzirconocene 1.) THF, a) -78 deg C, 1 h, b) 20 deg C, 20 h, 2.) 0 deg C; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

hydrogenchloride; dibutylzirconocene 1.) THF, a) -78 deg C, 1 h, b) 20 deg C, 20 h, 2.) 0 deg C; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;