(19)
(11) EP 4 824 041 A1

(12)

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

(21) Application number: 24901861.5

(22) Date of filing: 12.12.2024
(51) International Patent Classification (IPC): 
C07D 209/16(2006.01)
A61K 31/4045(2006.01)
A61P 25/24(2006.01)
A61K 31/485(2006.01)
A61P 25/00(2006.01)
C07D 221/28(2006.01)
(52) Cooperative Patent Classification (CPC):
A61K 31/4045; A61P 25/00; A61P 25/24; C07D 209/16; A61K 45/06
(86) International application number:
PCT/CA2024/051651
(87) International publication number:
WO 2025/123137 (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 US 202363610614 P

(71) Applicant: 10763942 CANADA INC. (DBA. PURMINDS NEUROPHARMA)
Bolton, Ontario L7E 1J9 (CA)

(72) Inventor:
  • KOZIKOWSKI, Alan P.
    Wallace, Michigan 49893 (US)

(74) Representative: Aera A/S 
Niels Hemmingsens Gade 10, 5th Floor
1153 Copenhagen K
1153 Copenhagen K (DK)

   


(54) HETEROCYCLIC COMPOUNDS AND METHODS OF PREPARATION THEREOF