(19)
(11) EP 1 687 252 A2

(12)

(88) Date of publication A3:
12.05.2005

(43) Date of publication:
09.08.2006 Bulletin 2006/32

(21) Application number: 04764595.7

(22) Date of filing: 28.08.2004
(51) International Patent Classification (IPC): 
C07C 67/343(2006.01)
(86) International application number:
PCT/EP2004/009621
(87) International publication number:
WO 2005/026096 (24.03.2005 Gazette 2005/12)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

(30) Priority: 18.09.2003 DE 10343097

(71) Applicant: Degussa AG
40474 Düsseldorf (DE)

(72) Inventors:
  • MOST, Dieter
    63486 Bruchköbel (DE)
  • JAKUBEC, Pavol
    02201 Cadca (SK)
  • ROSSEN, Kai
    63452 Hanau (DE)

   


(54) PROCESS FOR THE PRODUCTION OF ALPHA-ALKOXY/HYDROXY-BETA-(P-HYDROXYPHENYL) PROPIONIC ACID DERIVATIVES