(19)
(11) EP 4 824 053 A1

(12)

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

(21) Application number: 24817557.2

(22) Date of filing: 29.11.2024
(51) International Patent Classification (IPC): 
C07D 403/04(2006.01)
(52) Cooperative Patent Classification (CPC):
C07D 403/04
(86) International application number:
PCT/EP2024/084148
(87) International publication number:
WO 2025/124936 (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: 15.12.2023 EP 23217212
25.10.2024 EP 24209010

(71) Applicant: Synthon B.V.
6545 CM Nijmegen (NL)

(72) Inventors:
  • BUCHLOVIC, Marian
    6503 GN Nijmegen (NL)
  • BEDNAR, Lukas
    6503 GN Nijmegen (NL)

(74) Representative: Dobsík, Martin 
Synthon B.V. Microweg 22
6545 CM Nijmegen
6545 CM Nijmegen (NL)

   


(54) A PROCESS FOR MAKING OSIMERTINIB