(19)
(11) EP 4 100 385 A1

(12)

(43) Date of publication:
14.12.2022 Bulletin 2022/50

(21) Application number: 21703197.0

(22) Date of filing: 01.02.2021
(51) International Patent Classification (IPC): 
C07C 45/54(2006.01)
C07C 49/825(2006.01)
(52) Cooperative Patent Classification (CPC):
C07C 45/54
 
C-Sets:
C07C 45/54, C07C 49/825;
(86) International application number:
PCT/EP2021/052341
(87) International publication number:
WO 2021/156214 (12.08.2021 Gazette 2021/32)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 03.02.2020 EP 20155082

(71) Applicant: DSM IP Assets B.V.
6411 TE Heerlen (NL)

(72) Inventors:
  • BONRATH, Werner
    4303 Kaiseraugst (CH)
  • MEDLOCK, Jonathan Alan
    4303 Kaiseraugst (CH)
  • NETSCHER, Thomas
    4303 Kaiseraugst (CH)
  • MITCHELL, Sharon
    8093 ZURICH (CH)
  • LIN, Ronghe
    8093 ZURICH (CH)
  • PÉREZ-RAMIREZ, Javier
    8093 ZURICH (CH)

(74) Representative: Dux, Roland 
DSM Nutritional Products Ltd Patent Department Wurmisweg 576
4303 Kaiseraugst
4303 Kaiseraugst (CH)

   


(54) REARRANGEMENT OF DIMETHYLPHENYLACYLATES USING ZEOLITES