Add: A mixture of 124G ( 150 mg , 0.64 mmol ) , 3,5-dichlorobenzylamine ( 153 mg , 0.87 mmol ) and aluminum chloride ( 27 mg , 0.20 mmol ) in toluene ( 8 mL ) 
Dissolve: aluminum chloride ( 27 mg , 0.20 mmol ) in toluene ( 8 mL ) 
Heat: was refluxed for 4 h under nitrogen 
Cool: After cooling to room temperature 
Add: the reaction mixture was treated with aqueous saturated NaHCO3 solution and ethylenediaminetetraacetic acid ( 1 g , 3.4 mmol ) to pH 7 
Extract: The mixture was extracted with chloroform four times 
Dry: The combined organic phases were dried over Na2SO4 
Concentrate: concentrated 
Purify: The residue was purified by preparative reverse-phase HPLC 
Yield: to give 124H 
