(19)
(11) EP 4 739 693 A2

(12)

(88) Date of publication A3:
27.02.2025

(43) Date of publication:
13.05.2026 Bulletin 2026/20

(21) Application number: 24745521.5

(22) Date of filing: 03.07.2024
(51) International Patent Classification (IPC): 
C07D 487/04(2006.01)
(52) Cooperative Patent Classification (CPC):
C07D 487/04
(86) International application number:
PCT/IB2024/056518
(87) International publication number:
WO 2025/008772 (09.01.2025 Gazette 2025/02)
(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:
GE KH MA MD TN

(30) Priority: 06.07.2023 US 202363512136 P

(71) Applicant: Pfizer Ireland Pharmaceuticals Unlimited Company
Cork (IE)

(72) Inventors:
  • CUSACK, Declan Thomas Patrick
    Ringaskiddy, P43 RK61 (IE)
  • DEFOREST, Jacob Cole
    San Diego, California 92121 (US)
  • DUBBAKA, Srinivas Reddy
    Mapletree Business City, 117372 (SG)
  • O'NEILL, Padraig Mary
    Ringaskiddy, P43 RK61 (IE)

(74) Representative: Pfizer 
European Patent Department 23-25 avenue du Docteur Lannelongue
75668 Paris Cedex 14
75668 Paris Cedex 14 (FR)

   


(54) IMPROVED MANUFACTURING PROCESS AND INTERMEDIATES FOR A PYRROLO[2,3-D]PYRIMIDINE COMPOUND AND USE THEREOF