butyl-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-carbamoyl chloride 、
苯佐卡因 在
SiO2 、
methanol-dichloromethane 作用下,
以
吡啶 为溶剂,
反应 15.0h,
以yielded 131 mg (54%) of ethyl 4-[3-butyl-3-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-ureido]-benzoate (11) as a pale yellow oil的产率得到ethyl 4-[3-butyl-3-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-ureido]-benzoate