Global Patent Index - EP 0923509 A1

EP 0923509 A1 19990623 - BROMINATION OF AROMATIC COMPOUNDS WITH OZONE

Title (en)

BROMINATION OF AROMATIC COMPOUNDS WITH OZONE

Title (de)

BROMIERUNG VON AROMATISCHEN VERBINDUNGEN MIT OZON

Title (fr)

BROMATION DE COMPOSES AROMATIQUES AVEC DE L'OZONE

Publication

EP 0923509 A1 19990623 (DE)

Application

EP 97944766 A 19970818

Priority

  • DE 19635297 A 19960830
  • EP 9704499 W 19970818

Abstract (en)

[origin: WO9808785A1] The invention concerns a process for the bromination of aromatic compounds with ozone, wherein the aromatic compound is reacted with a bromide source in the presence of ozone at a pH of less than or equal to 7. The process according to the invention is also suitable for reaction in non-aqueous media.

IPC 1-7

C07B 39/00

IPC 8 full level

C07B 39/00 (2006.01); C07C 41/22 (2006.01); C07C 43/225 (2006.01); C07C 209/74 (2006.01); C07C 211/52 (2006.01); C07C 231/12 (2006.01); C07C 233/15 (2006.01); C07C 211/45 (2006.01)

CPC (source: EP)

C07B 39/00 (2013.01); C07C 41/22 (2013.01); C07C 209/74 (2013.01); C07C 231/12 (2013.01)

C-Set (source: EP)

  1. C07C 209/74 + C07C 211/45
  2. C07C 231/12 + C07C 233/15
  3. C07C 41/22 + C07C 43/225

Citation (search report)

See references of WO 9808785A1

Designated contracting state (EPC)

BE DE FR GB IT NL

DOCDB simple family (publication)

WO 9808785 A1 19980305; EP 0923509 A1 19990623; JP 2000516941 A 20001219

DOCDB simple family (application)

EP 9704499 W 19970818; EP 97944766 A 19970818; JP 51123998 A 19970818