Global patent index - EP 1087931 A1

EP 1087931 A1 2001-04-04 - METHOD FOR SYMMETRICALLY AND ASYMMETRICALLY DISUBSTITUTING CARBOXYLIC ACID AMIDES WITH ORGANOTITANATES AND GRIGNARD REAGENTS

Title (en)

METHOD FOR SYMMETRICALLY AND ASYMMETRICALLY DISUBSTITUTING CARBOXYLIC ACID AMIDES WITH ORGANOTITANATES AND GRIGNARD REAGENTS

Title (de)

VERFAHREN ZUR SYMMETRISCHEN UND UNSYMMETRISCHEN DISUBSTITUTION VON CARBONSÄUREAMIDEN MIT ORGANOTITANATEN UND GRIGNARD-REAGENZIEN

Title (fr)

PROCEDE DE DISUBSTITUTION SYMETRIQUE ET ASYMETRIQUE D'AMIDES D'ACIDE CARBOXYLIQUE AVEC DES ORGANOTITANATES ET DES REACTIFS DE GRIGNARD

Publication

EP 1087931 A1 (DE)

Application

EP 99931109 A

Priority

  • DE 19827167 A
  • DE 19844194 A
  • EP 9904253 W

Abstract (en)

[origin: US6479661B1] The invention relates to a method for disubstituting carboxylic acid amides on a geminal carbonyl-C-atom using a Grignard reagent in the presence of an organotitanate.

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); C07B 61/00 (2006.01); C07C 209/66 (2006.01); C07C 209/68 (2006.01); C07C 211/17 (2006.01); C07C 211/27 (2006.01); C07D 295/023 (2006.01)

CPC (invention and additional information)

C07D 295/023 (2013.01); C07C 209/68 (2013.01)

Citation (search report)

See references of WO 9965861A1

Designated contracting state (EPC)

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

EPO simple patent family

US 6479661 B1 20021112; EP 1087931 A1 20010404; JP 2002518364 A 20020625; WO 9965861 A1 19991223

INPADOC legal status

2004-12-08 [18R] REFUSED

- Ref Legal Event Code: 18R

- Effective date: 20040716

2003-07-02 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20030515

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

- Ref Legal Event Code: 17P

- Effective date: 20001129

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

- Ref Legal Event Code: AK

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