Global Patent Index - EP 0850211 A1

EP 0850211 A1 19980701 - PROCESS FOR THE PREPARATION OF 4-BROMO-1,1-DIFLUOROBUT-1-ENE AND 2,4-DIBROMO-1,1,1-TRIFLUOROBUTANE

Title (en)

PROCESS FOR THE PREPARATION OF 4-BROMO-1,1-DIFLUOROBUT-1-ENE AND 2,4-DIBROMO-1,1,1-TRIFLUOROBUTANE

Title (de)

VERFAHREN ZUR HERSTELLUNG VON 4-BROM-1,1-DIFLUORBUT-1-EN UND 4,4-DIBROM-1,1,1-TRIFLUORBUTAN

Title (fr)

PROCEDE DE PRODUCTION DE 4-BROMO-1,1-DIFLUOROBUT-1-ENE ET DE 2,4-DIBROMO-1,1,1-TRIFLUOROBUTANE

Publication

EP 0850211 A1 19980701 (EN)

Application

EP 96928560 A 19960823

Priority

  • GB 9518111 A 19950906
  • GB 9602072 W 19960823

Abstract (en)

[origin: WO9709292A1] A process for the preparation of 4-bromo-1,1-difluorobut-1-ene comprising the step of reacting 2,4-dibromo-1,1,1-trifluorobutane with a defluorobrominating agent in a liquid reaction mass and recovering the desired product therefrom. The product is useful as an intermediate for pesticidal compounds.

IPC 1-7

C07C 21/18; C07C 17/23; C07C 19/14; C07C 17/093

IPC 8 full level

C07C 17/093 (2006.01); C07C 17/23 (2006.01); C07C 19/14 (2006.01); C07C 21/18 (2006.01); C07C 29/143 (2006.01); C07C 29/147 (2006.01); C07C 303/28 (2006.01); C07C 309/73 (2006.01)

CPC (source: EP KR)

C07C 17/093 (2013.01 - EP KR); C07C 17/23 (2013.01 - EP KR); C07C 19/14 (2013.01 - KR); C07C 21/18 (2013.01 - EP KR); C07C 29/143 (2013.01 - EP); C07C 29/147 (2013.01 - EP); C07C 303/28 (2013.01 - EP)

C-Set (source: EP)

  1. C07C 17/093 + C07C 19/14
  2. C07C 17/23 + C07C 21/18
  3. C07C 303/28 + C07C 309/73
  4. C07C 29/143 + C07C 31/42
  5. C07C 29/147 + C07C 31/42

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 9709292 A1 19970313; AU 6828896 A 19970327; CN 1200717 A 19981202; EP 0850211 A1 19980701; GB 9518111 D0 19951108; HU P9802542 A2 19990201; HU P9802542 A3 19990329; IL 123460 A0 19980924; JP H11512110 A 19991019; KR 19990044419 A 19990625; ZA 967262 B 19970306

DOCDB simple family (application)

GB 9602072 W 19960823; AU 6828896 A 19960823; CN 96197873 A 19960823; EP 96928560 A 19960823; GB 9518111 A 19950906; HU P9802542 A 19960823; IL 12346096 A 19960823; JP 51092597 A 19960823; KR 19980701663 A 19980305; ZA 967262 A 19960827