公开(公告)号：ZA981418B

公开(公告)日：1999-08-20

申请号：ZA981418

申请日：1998-02-20

Applicant: BASF AG

Inventor： MERKLE HANS RUPERT ,  EVA RONALD R ,  JONES DIRK FRANKE SIMON A ,  MATTMANN WOLFGANG ,  MUNZINGER MANFRED

IPC: C07C51/48 ,  C07C51/02 ,  C07C65/03 ,  C07C65/21 ,  C07C65/24 ,  C07C

Abstract: PCT No. PCT/EP98/00705 Sec. 371 Date Jul. 28, 1999 Sec. 102(e) Date Jul. 28, 1999 PCT Filed Feb. 9, 1998 PCT Pub. No. WO98/37054 PCT Pub. Date Aug. 27, 1998A process for the isolation of 3-[2-chloro-4-(trifluoromethyl)phenoxy]benzoic acid of the formula I from an aqueous solution of its metal salt comprises a) reacting the metal salt of 3-[2-chloro-4-(trifluoromethyl)phenoxy]benzoic acid with an organic or inorganic acid; b) heating the reaction mixture until a liquid two-phase system of organic and aqueous phase has formed; and c) separating the organic phase from the aqueous phase.

公开(公告)号：ZA9801418B

公开(公告)日：1999-08-20

申请号：ZA9801418

申请日：1998-02-20

Applicant: BASF AG

Inventor： MERKLE HANS RUPERT ,  EVA RONALD R ,  JONES DIRK FRANKE SIMON A ,  MATTMANN WOLFGANG ,  MUNZINGER MANFRED

IPC: C07C51/48 ,  C07C51/02 ,  C07C65/03 ,  C07C65/21 ,  C07C65/24 ,  C07C

CPC classification number: C07C65/24 ,  C07C51/02