Global Patent Index - EP 1087928 A1

EP 1087928 A1 20010404 - 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 20010404 (DE)

Application

EP 99929280 A 19990618

Priority

  • DE 19827164 A 19980618
  • EP 9904251 W 19990618

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

C07C 209/66; B01J 21/06

IPC 8 full level

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 295/02 (2006.01); C07D 295/03 (2006.01); B01J 21/06 (2006.01); C07C 211/16 (2006.01)

CPC (source: EP KR US)

B01J 31/0212 (2013.01 - EP US); B01J 31/0231 (2013.01 - EP US); B01J 31/0274 (2013.01 - EP US); B01J 31/0275 (2013.01 - EP US); C07C 209/66 (2013.01 - KR); C07C 209/68 (2013.01 - EP US); C07D 295/03 (2013.01 - EP US); B01J 21/06 (2013.01 - EP US); B01J 21/063 (2013.01 - EP US); B01J 2231/341 (2013.01 - EP US); B01J 2231/40 (2013.01 - EP US)

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

DOCDB simple family (publication)

DE 19827164 A1 19991223; EP 1087928 A1 20010404; JP 2002518362 A 20020625; KR 20010052918 A 20010625; US 2003009029 A1 20030109; US 6420302 B1 20020716; WO 9965859 A1 19991223

DOCDB simple family (application)

DE 19827164 A 19980618; EP 9904251 W 19990618; EP 99929280 A 19990618; JP 2000554686 A 19990618; KR 20007014274 A 20001215; US 16225702 A 20020605; US 71981001 A 20010420