(19)
(11) EP 4 247 826 A1

(12)

(43) Date of publication:
27.09.2023 Bulletin 2023/39

(21) Application number: 21894152.4

(22) Date of filing: 17.11.2021
(51) International Patent Classification (IPC): 
C07H 1/00(2006.01)
C07H 3/06(2006.01)
C07H 3/04(2006.01)
 C07H 1/06(2006.01)
C08B 37/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C07H 3/06; C07H 1/00; C07H 13/12; C07H 15/10; C07H 9/04
(86) International application number:
PCT/IB2021/060650
(87) International publication number:
WO 2022/107013 (27.05.2022 Gazette 2022/21)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 19.11.2020 IN 202021050409

(71) Applicant: Indian Institute Of Science Education And Research
Pune, Maharashtra 411 008 (IN)

(72) Inventors:
  • HOTHA, Srinivas
    Pune Maharashtra 411008 (IN)
  • WALKE, Gulab
    Pune Maharashtra 411008 (IN)
  • KASDEKAR, Niteshlal
    Pune Maharashtra 411008 (IN)
  • SUTAR, Yogesh
    Pune Maharashtra 411008 (IN)

(74) Representative: Isern Patentes y Marcas S.L. 
Avda. Diagonal, 463 Bis, 2°
08036 Barcelona
08036 Barcelona (ES)

   


(54) SILVER ASSISTED GOLD CATALYSIS FOR THE PREPARATION OF FONDAPARINUX PENTASACCHARIDE AND INTERMEDIATES