(19)
(11) EP 4 824 029 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24827756.8

(22) Date of filing: 13.12.2024
(51) International Patent Classification (IPC): 
C07C 51/36(2006.01)
C07D 311/72(2006.01)
 C07C 51/373(2006.01)
(52) Cooperative Patent Classification (CPC):
C07C 51/373; C07C 51/36; C07D 311/72
 
C-Sets:
  1. C07C 51/373, C07C 59/76;
  2. C07C 51/36, C07C 59/185;
(86) International application number:
PCT/EP2024/086230
(87) International publication number:
WO 2025/125573 (19.06.2025 Gazette 2025/25)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 14.12.2023 EP 23216797

(71) Applicant: DSM IP Assets B.V.
6221 BE Maastricht (NL)

(72) Inventors:
  • AQUINO, Fabrice
    4303 Kaiseraugst (CH)
  • BONRATH, Werner
    4303 Kaiseraugst (CH)
  • GOETZINGER, Alissa
    4303 Kaiseraugst (CH)
  • HAESS, Stefan
    4303 Kaiseraugst (CH)
  • LEHMANN, Hajo
    4303 Kaiseraugst (CH)
  • MEDLOCK, Jonathan Alan
    4303 Kaiseraugst (CH)
  • PACE, Francesco
    4303 Kaiseraugst (CH)
  • SORIANO, Domenico
    4303 Kaiseraugst (CH)
  • STEMMLER, René Tobias
    4303 Kaiseraugst (CH)

(74) Representative: DSM IP ANH 
DSM Nutritional Products AG Wurmisweg 576
4303 Kaiseraugst
4303 Kaiseraugst (CH)

   


(54) MANUFACTURE OF ALPHA, BETA, GAMMA, DELTA OR BETA, GAMMA, DELTA DI-UNSATURATED KETONES CARRYING A TERMINAL CARBOXYL GROUP