(19)
(11) EP 4 408 828 A1

(12)

(43) Date of publication:
07.08.2024 Bulletin 2024/32

(21) Application number: 22786301.6

(22) Date of filing: 12.09.2022
(51) International Patent Classification (IPC): 
C07D 263/34(2006.01)
(52) Cooperative Patent Classification (CPC):
C07D 263/34
(86) International application number:
PCT/EP2022/075208
(87) International publication number:
WO 2023/052104 (06.04.2023 Gazette 2023/14)
(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: 28.09.2021 WO PCT/CN2021/121355

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

(72) Inventors:
  • DAI, Le
    4303 Kaiseraugst (CH)
  • DAI, Xixiang
    4303 Kaiseraugst (CH)
  • WU, Liuhai
    4303 Kaiseraugst (CH)
  • GU, Qi
    4303 Kaiseraugst (CH)
  • PENG, Kun
    4303 Kaiseraugst (CH)
  • BONRATH, Werner
    4303 Kaiseraugst (CH)

(74) Representative: dsm-firmenich IP 
Wurmisweg 576
4303 Kaiseraugst
4303 Kaiseraugst (CH)

   


(54) A PROCESS FOR PREPARATION OF OXAZOLE COMPOUNDS