Global Patent Index - EP 1086070 A1

EP 1086070 A1 2001-03-28 - METHOD FOR CONDENSING ONE OR MORE CARBONYL COMPOUNDS ON CARBOCYLIC AROMATIC THIOETHERS OR ETHERS IN AN ACID MEDIUM

Title (en)

METHOD FOR CONDENSING ONE OR MORE CARBONYL COMPOUNDS ON CARBOCYLIC AROMATIC THIOETHERS OR ETHERS IN AN ACID MEDIUM

Title (de)

VERFAHREN ZUM KONDENSIEREN IN SAUREM MEDIUM VON CARBONYLVERBINDUNGEN MIT AROMATISCHEN CARBOCYCLISCHEN ETHERN ODER THIOETHERN

Title (fr)

PROCEDE POUR LA CONDENSATION, EN MILIEU ACIDE, D'UN OU PLUSIEURS COMPOSES CARBONYLES SUR DES ETHERS OU THIOETHERS AROMATIQUES CARBOCYCLIQUES

Publication

EP 1086070 A1 (FR)

Application

EP 99923717 A

Priority

  • FR 9901379 W
  • FR 9807372 A

Abstract (en)

[origin: FR2779717A1] The present invention relates to a method for condensing at least one carbonyl compound on an electroattractor radical on a carbocyclic aromatic thioether or ether, characterised in that the electroattractor radical present on said carbonyl compound is a fluoroalkyl radical and in that said condensation is carried out in the presence of an effective quantity of a heterogeneous acid catalyst.

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

C07C 41/30; C07C 43/225; C07C 43/23; C07C 319/20; C07C 323/19

IPC 8 full level (invention and additional information)

C07C 41/30 (2006.01); C07C 43/225 (2006.01); C07C 43/23 (2006.01); C07C 319/20 (2006.01); C07C 323/19 (2006.01)

CPC (invention and additional information)

C07C 41/30 (2013.01); C07C 319/20 (2013.01); C07C 323/19 (2013.01)

Combination set (CPC)

  1. C07C 319/20 + C07C 323/19
  2. C07C 41/30 + C07C 43/23
  3. C07C 41/30 + C07C 43/225

Designated contracting state (EPC)

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

EPO simple patent family

FR 2779717 A1 19991217; FR 2779717 B1 20010622; AU 4048999 A 19991230; EP 1086070 A1 20010328; WO 9964385 A1 19991216

INPADOC legal status


2004-05-12 [18W] WITHDRAWN

- Effective date: 20040316

2003-08-20 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030704

2001-03-28 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001206

2001-03-28 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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