公开(公告)号：PT788475E

公开(公告)日：2000-04-28

申请号：PT95917966

申请日：1995-04-26

Applicant: BASF AG

Inventor： ALBRECHT HARREUS DR ,  HARTMANN HORST ,  NORBERT GOTZ DR ,  HARALD RANG DR ,  HEIMANN FRANK ,  BORCHERS DIRK ,  MAYWALD VOLKER ,  BUSCHULTE THOMAS

IPC: B01J23/02 ,  B01J31/02 ,  C07B61/00 ,  C07C239/20 ,  C07C249/12 ,  C07C251/54 ,  C07C309/66

Abstract: PCT No. PCT/EP95/01581 Sec. 371 Date Nov. 4, 1996 Sec. 102(e) Date Nov. 4, 1996 PCT Filed Apr. 26, 1995 PCT Pub. No. WO95/30648 PCT Pub. Date Nov. 16, 1995Preparation of mixtures of O-phenoxyalkylhydroxylamines Ia and Ib (Ia): H2NOCH2CH(R1)OAr (Ib): H2NOCH(R1)CH2OAr and the corresponding salt mixtures by a) converting mixtures of isomers of O-(2-hydroxyethyl)oximes IIa and IIb (IIa): (III): into a mixture of sulfonates IVa and IVb (IVa): (IVb): b) reacting this mixture of IVa and IVb with a phenol HO-Ar (V) to give a mixture of O-phenoxyalkoximes VIa and VIb (VIa): (VIb): c) hydrolyzing this mixture in the presence of an acid and, if desired d) liberating the O-phenoxyalkylhydroxylamines Ia and Ib from the resulting salts using a mineral acid. Compounds Ia/Ib and VIa/VIb are important intermediates for crop protection agents.

公开(公告)号：PT871609E

公开(公告)日：2002-04-29

申请号：PT96939936

申请日：1996-11-28

Applicant: BASF AG

Inventor： WESTPHALEN KARL-OTTO ,  HARALD RANG DR ,  BRATZ MATTHIAS ,  MISSLITZ ULF ,  JAGER KARL-FRIEDRICH ,  BENOIT REMY

IPC: A01N35/10 ,  A01N43/10 ,  A01N43/14 ,  A01N43/16 ,  A01N43/18 ,  C07C239/20 ,  C07C251/42 ,  C07C251/50 ,  C07C323/47 ,  C07D309/06 ,  C07D335/02

Abstract: PCT No. PCT/EP96/05255 Sec. 371 Date Jun. 5, 1998 Sec. 102(e) Date Jun. 5, 1998 PCT Filed Nov. 28, 1996 PCT Pub. No. WO97/20807 PCT Pub. Date Jun. 12, 1997Herbicidally active cyclohexenone oxime ether metal salts of formula I where Ra, Rb, Rc, Rd, Re, Alk and Rf are as defined in the specification disclosure, having an improved shelf life and thermal stability and reduced water vapor uptake.