Global Patent Index - EP 1087928 A1

EP 1087928 A1 2001-04-04 - CATALYTIC TITANIUM(IV) OXIDE INDUCED GEMINAL SYMMETRIC DIALKYLATION OF CARBOXYLIC ACID AMIDES

Title (en)

CATALYTIC TITANIUM(IV) OXIDE INDUCED GEMINAL SYMMETRIC DIALKYLATION OF CARBOXYLIC ACID AMIDES

Title (de)

KATALYTISCH TITAN(IV)-OXID VERMITTELTE GEMINALE SYMMETRISCHE DIALKYLIERUNG VON CARBONSÄUREAMIDEN

Title (fr)

DIALKYLATION D'AMIDES D'ACIDE CARBOXYLIQUE, SYMETRIQUE GEMINEE, INDUITE PAR VOIE CATALYTIQUE PAR OXYDE TITANIQUE

Publication

EP 1087928 A1 (DE)

Application

EP 99929280 A

Priority

  • DE 19827164 A
  • EP 9904251 W

Abstract (en)

[origin: DE19827164A1] The invention relates to a method for symmetrically disubstituting carboxylic acid amides on the geminal carbonyl-C-atom using grignard reagents in the presence of titanium dioxide.

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

C07C 209/66; B01J 21/06

IPC 8 full level (invention and additional information)

C07D 295/02 (2006.01); B01J 31/02 (2006.01); C07B 61/00 (2006.01); C07C 209/66 (2006.01); C07C 209/68 (2006.01); C07C 211/27 (2006.01); C07D 295/03 (2006.01); B01J 21/06 (2006.01); C07C 211/16 (2006.01)

CPC (invention and additional information)

C07D 295/03 (2013.01); B01J 31/0212 (2013.01); B01J 31/0231 (2013.01); B01J 31/0274 (2013.01); B01J 31/0275 (2013.01); C07C 209/68 (2013.01); B01J 21/06 (2013.01); B01J 21/063 (2013.01); B01J 2231/341 (2013.01); B01J 2231/40 (2013.01)

Combination set (CPC)

  1. C07C 209/68 + C07C 211/16
  2. C07C 209/68 + C07C 211/27

Citation (search report)

See references of WO 9965859A1

Designated contracting state (EPC)

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

EPO simple patent family

DE 19827164 A1 19991223; EP 1087928 A1 20010404; JP 2002518362 A 20020625; US 2003009029 A1 20030109; US 6420302 B1 20020716; WO 9965859 A1 19991223

INPADOC legal status


2005-05-04 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20041019

2003-07-09 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030522

2001-04-04 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001129

2001-04-04 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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