(19)
(11) EP 4 739 664 A1

(12)

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

(21) Application number: 24739498.4

(22) Date of filing: 03.07.2024
(51) International Patent Classification (IPC): 
C07D 309/10(2006.01)
B01D 15/36(2006.01)
 C07C 49/14(2006.01)
(52) Cooperative Patent Classification (CPC):
C07D 309/10; B01D 61/422; B01D 2311/04; B01D 2311/263; B01D 15/362
(86) International application number:
PCT/EP2024/068701
(87) International publication number:
WO 2025/008384 (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: 04.07.2023 FR 2307135

(71) Applicant: L'OREAL
75008 Paris (FR)

(72) Inventors:
  • WAFFLART, Florence
    95500 LE THILLAY (FR)
  • LESEURRE, Lucie
    94152 CHEVILLY-LARUE (FR)
  • SCHOONJANS, Jean-jacques
    95500 LE THILLAY (FR)
  • GUERREIRO, Patricio
    93601 AULNAY-SOUS-BOIS (FR)
  • LE GOFF, Guillaume
    95500 LE THILLAY (FR)
  • TROUILLE, Simon
    93601 AULNAY-SOUS-BOIS (FR)

(74) Representative: Casalonga 
Casalonga & Partners Bayerstraße 71/73
80335 München
80335 München (DE)

   


(54) PROCESS FOR THE PREPARATION OF ONE OR MORE C-GLYCOSIDE DERIVATIVES COMPRISING A CATALYTIC REDUCTION STAGE