(19)
(11) EP 4 565 570 A1

(12)

(43) Date of publication:
11.06.2025 Bulletin 2025/24

(21) Application number: 23755294.8

(22) Date of filing: 24.07.2023
(51) International Patent Classification (IPC): 
C07D 257/02(2006.01)
(52) Cooperative Patent Classification (CPC):
C07D 257/02
(86) International application number:
PCT/US2023/070859
(87) International publication number:
WO 2024/030772 (08.02.2024 Gazette 2024/06)
(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: 01.08.2022 US 202263394133 P

(71) Applicant: Portland State University
Portland, Oregon 97207-0751 (US)

(72) Inventors:
  • WOODS, Mark
    Portland, Oregon 97207 (US)
  • MAIER, Karley B.
    Portland, Oregon 97207 (US)
  • RUST, Lauren N.
    Portland, Oregon 97207 (US)

(74) Representative: J A Kemp LLP 
80 Turnmill Street
London EC1M 5QU
London EC1M 5QU (GB)

   


(54) HIGH RELAXIVITY CONTRAST AGENTS AND STEREOSELECTIVE PREPARATION