Application: 4-amino-3-phenylbutyrate hydrochloride, which is often used in the preparation of antidepressants, is a very important pharmaceutical intermediate, which can be used in laboratory research and development process and chemical pharmaceutical production process. Preparation: (1) From benzoyl chloride and ethyl acetoacetate as raw materials, through condensation and hydrolysis of ethyl benzoyl acetate, then benzaldehyde and nitromethane condensation to produce trans-nitrostyrene, and then the two Micheal addition, the addition of Rennie nickel catalytic hydrogenation, and finally in concentrated hydrochloric acid Chemicalbook hydrolyzed into fenibute. Biological activity: Phenibut (Aminophenylbutyricacid Fenibut, Phenigam Phenybut, PhGABA, beta - Phenyl - gamma aminobutyricacid, beta - Phenyl - GABA), as GABA analogs, It is a sedative that targets the central nervous system and has anti-anxiety and sedative effectsEmail : salesexecutive1@yeah.net whatsapp: +8618931626169 wickr: lilywang