Global Patent Index - EP 0869950 A1

EP 0869950 A1 19981014 - STEREOSELECTIVE PROCESS

Title (en)

STEREOSELECTIVE PROCESS

Title (de)

STEREOSELEKTIVES VERFAHREN

Title (fr)

PROCEDE STEREOSELECTIF

Publication

EP 0869950 A1 19981014 (EN)

Application

EP 96943713 A 19961209

Priority

  • GB 9602833 A 19960213
  • GB 9608928 A 19960429
  • US 9619782 W 19961209
  • US 875895 P 19951212
  • US 1328896 P 19960312

Abstract (en)

[origin: WO9721693A1] This invention relates to a method for the stereoselective synthesis of a 2-aryloxycarboxylic acid using a chiral auxiliary to enhance the stereoselectivity of the alkylation of the alpha -halo acid with an aryloxy group.

IPC 1-7

C07D 295/18; C07D 317/50; C07D 307/32; C07C 69/712; C07C 69/675; C07C 235/06

IPC 8 full level

C07D 295/18 (2006.01); C07C 67/31 (2006.01); C07C 69/712 (2006.01); C07C 235/06 (2006.01); C07D 295/185 (2006.01); C07D 317/60 (2006.01); C07D 317/68 (2006.01)

CPC (source: EP)

C07C 235/06 (2013.01); C07D 295/185 (2013.01); C07D 317/60 (2013.01)

Citation (search report)

See references of WO 9721693A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 9721693 A1 19970619; AU 1287897 A 19970703; AU 703380 B2 19990325; CA 2238960 A1 19970619; EP 0869950 A1 19981014; JP 2000501737 A 20000215

DOCDB simple family (application)

US 9619782 W 19961209; AU 1287897 A 19961209; CA 2238960 A 19961209; EP 96943713 A 19961209; JP 52220097 A 19961209