公开(公告)号：YU183870A

公开(公告)日：1979-09-10

申请号：YU183870

申请日：1970-07-20

Applicant: MONTEDISON SPA

Inventor： LUGI CASSAR ,  CASSAR LUGI ,  GIAN PAOLO ,  PAOLO GIAN ,  MARCO FOA ,  FOA MARCO

IPC: C07C51/10 ,  C07C63/54

Abstract: 1,261,474. Preparation of phenylacetic acid. MONTECATINI EDISON S.p.A. 20 July, 1970 [23 July, 1969], No. 35024/70. Heading C2C. Phenylacetic acid is prepared by the carbonylation of benzyl chloride in the presence of a catalyst system consisting of a cobalt salt, an iron-manganese alloy, an alkali metal sulphide or thiosulphate in a solvent comprising a mixture of an alcohol containing 1 to 10 carbon atoms and water and using calcium oxide as a neutralizing agent, and treating the calcium salt thus obtained with a strong mineral acid.