US Patent 7227036 Production process of aminomethyl group-containing benzamide compound

There is provided a process for producing an aminomethyl group-containing benzamide compound represented by the general formula (II): wherein —CONH2 and —X represent a substituent on the benzene ring and —CONH2 exists at the meta- or para-position of —CH2NH2, and X and n are as defined below, which comprises hydrating an aminomethyl group-containing benzonitrile compound represented by the general formula (I): wherein —CN and —X represent a substituent on the benzene ring and —CN exists at the meta- or para-position of —CH2NH2, X represents a chlorine atom or a fluorine atom, and n represents an integer of 0 to 4, provided that, when n is 2 or more, X may be the same or different