(19)
(11) EP 1 761 548 A1

(12)

(43) Date of publication:
14.03.2007 Bulletin 2007/11

(21) Application number: 05748248.1

(22) Date of filing: 06.06.2005
(51) International Patent Classification (IPC): 
C07F 9/50(2006.01)
B01J 31/24(2006.01)
 C07F 15/00(2006.01)
C07C 43/225(2006.01)
(86) International application number:
PCT/EP2005/006063
(87) International publication number:
WO 2006/002729 (12.01.2006 Gazette 2006/02)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
HR LV YU

(30) Priority: 25.06.2004 EP 04014911

(71) Applicant: Lonza AG
4052 Basel (CH)

(72) Inventors:
  • METTLER, Hanspeter
    CH-3930 Visp (CH)
  • LEROUX, Frédéric
    F-67760 Gambsheim (FR)
  • SCHLOSSER, Manfred
    CH-1018 Lausanne (CH)

   


(54) PROCESS FOR THE PREPARATION OF ASYMMETRICALLY SUBSTITUTED BIARYLDIPHOSPHINES