sulfuric acid; N-trityl-aziridine diphenylcarbinol; potassium hydride 1.) PhCH3, 70 deg C, 60 min, 2.) PhCH3, 105 deg C; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

sulfuric acid; N-trityl-aziridine diphenylcarbinol; potassium hydride 1.) PhCH3, 70 deg C, 60 min, 2.) PhCH3, 105 deg C; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;