(19)

(11)

EP 4 551 561 A1

(12)

(43) Date of publication: 14.05.2025 Bulletin 2025/20 (21) Application number: 23738683.4 (22) Date of filing: 04.07.2023

(51) International Patent Classification (IPC):  C07D 251/24(2006.01) C07C 39/08(2006.01) C07C 35/02(2006.01) (52) Cooperative Patent Classification (CPC): C07D 251/24; C07C 39/08; C07C 35/02 (86) International application number: PCT/EP2023/068323 (87) International publication number: WO 2024/008686 (11.01.2024 Gazette 2024/02)

(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: KH MA MD TN (30) Priority: 04.07.2022 WO PCT/EP2022/068414 (71) Applicant: Symrise AG 37603 Holzminden (DE)	(72) Inventors: BRAESE, Stefan 53842 Troisdorf (DE) BUGDAHN, Nikolas 37603 Holzminden (DE) STAHLBERGER, Mareen 76571 Gaggenau (DE) (74) Representative: Global IP Europe Patentanwaltskanzlei  Pfarrstraße 14 80538 München 80538 München (DE)