(19)
(11) EP 4 486 751 A1

(12)

(43) Date of publication:
08.01.2025 Bulletin 2025/02

(21) Application number: 23708793.7

(22) Date of filing: 03.03.2023
(51) International Patent Classification (IPC): 
C07H 1/00(2006.01)
 C07H 19/048(2006.01)
(52) Cooperative Patent Classification (CPC):
C07H 1/00; C07H 19/048
(86) International application number:
PCT/EP2023/055401
(87) International publication number:
WO 2023/166160 (07.09.2023 Gazette 2023/36)
(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: 04.03.2022 IN 202221011812

(71) Applicant: Bohan & Co AS.
1367 Snarøya (NO)

(72) Inventors:
  • MALKANNAGARI, Ramani
    Hyderabad Telangana 500076 (IN)
  • GUNDAPUNENI, Raghava Rao
    Hyderabad Telangana 500076 (IN)
  • BOHAN, Frode
    1367 Snarøya (NO)

(74) Representative: Isarpatent 
Patent- und Rechtsanwälte Barth Hassa Peckmann & Partner mbB Friedrichstraße 31
80801 München
80801 München (DE)

   


(54) PROCESS FOR SYNTHESIS OF 1,4-DIHYDRONICOTINAMIDE RIBOSIDE (NRH) FROM NICOTINAMIDE-BETA-RIBOSIDE TRIACETATE CHLORIDE (NRA-CL)