Global patent index - EP 0986531 A1

EP 0986531 A1 2000-03-22 - CATALYTIC OXIDATIVE PROCESS FOR PREPARING CARBOXYLIC ACIDS FROM ALCOHOLS OR ALDEHYDES

Title (en)

CATALYTIC OXIDATIVE PROCESS FOR PREPARING CARBOXYLIC ACIDS FROM ALCOHOLS OR ALDEHYDES

Title (de)

KATALYTISCHES OXIDATIVES VERFAHREN ZUR HERSTELLUNG VON CARBONSÄUREN AUS ALKOHOLEN ODER ALDEHYDEN

Title (fr)

PROCEDE D'OXYDATION CATALYTIQUE PERMETTANT DE PREPARER DES ACIDES CARBOXYLIQUES A PARTIR D'ALCOOLS OU D'ALDEHYDES

Publication

EP 0986531 A1 (EN)

Application

EP 97921965 A

Priority

GB 9701313 W

Abstract (en)

[origin: WO9851654A1] A process for preparing a carboxylic acid of formula R<1>CO2H, wherein R<1> is optionally substituted aryl, optionally substituted heteroaryl or alkenyl optionally substituted by aryl; the process comprising reacting an alcohol of formula R<1>CH2OH or an aldehyde of formula R<1>CHO with oxygen in the presence of a base, a catalytic amount of a copper salt and a suitable ligand; optionally in the presence of an additive.

IPC 1-7 (main, further and additional classification)

C07C 51/235; C07B 33/00; C07C 51/255; C07C 63/68

IPC 8 full level (invention and additional information)

C07B 33/00 (2006.01); C07B 61/00 (2006.01); C07C 51/235 (2006.01); C07C 51/255 (2006.01); C07C 63/70 (2006.01)

CPC (invention and additional information)

C07B 33/00 (2013.01); C07C 51/235 (2013.01); C07C 51/255 (2013.01)

Citation (search report)

See references of WO 9851654A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE

EPO simple patent family

WO 9851654 A1 19981119; AU 2784297 A 19981208; CA 2288688 A1 19981119; EP 0986531 A1 20000322; JP 2002508750 A 20020319

INPADOC legal status

2002-06-26 [18R] REFUSED

- Ref Legal Event Code: 18R

- Effective date: 20020204

2001-09-05 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010725

2001-03-28 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: SYNGENTA LIMITED

- Ref Legal Event Code: RAP1

2000-03-22 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19991214

2000-03-22 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE