ethyl 2-[4-(2-aminoethyl)-phenyl]-2-methylpropionate hydrochloride   、                                                                                      
5-氯-2-甲氧基苯甲酰氯                                                                                                                                                                                                                                                                                                          以there is obtained, via ethyl 2-{4-[2-(5-chloro-2-methoxybenzamido)-ethyl]-phenyl}-2-methylpropionate (oil), 2-{4-[2-(5-chloro-2-methoxybenzamido)-ethyl]-phenyl}-2-methylpropionic acid的产率得到2-{4-[2-(5-Chloro-2-methoxy-benzoylamino)-ethyl]-phenyl}-2-methyl-propionic acid ethyl ester