1: bepromoline hydrochloride With anhydrous iron chloride in dichloromethane 2: 1,1-dimethylpropyl chloride in dichloromethane T=-52 - -20°C; 3: With sodium hydroxide; water Product distribution / selectivity; more than 3 stages;

1: bepromoline hydrochloride With Friedel-Craft catalyst in dichloromethane 2: 1,1-dimethylpropyl chloride in dichloromethane T=-52 - -20°C; Friedel Crafts Alkylation; Product distribution / selectivity;

hydrogen; palladium on kanthal in isopropyl alcohol T=80°C; P=4500.45 Torr; 5 - 15 h; Product distribution / selectivity;