4-methoxycarbonylphenyl-pentyl-carbamoyl chloride 、
5,6,7,8-四氢-5,5,8,8-四甲基-2-萘胺 在
SiO2 、 ethyl acetate hexanes 作用下,
以
吡啶 为溶剂,
反应 15.0h,
以to provide 190 mg (67%) of methyl 4-[1-pentyl-3-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-ureido]-benzoate (47) as a colorless oil的产率得到methyl 4-[1-pentyl-3-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-ureido]-benzoate