Patent ID: 11896700
Assignee: L'OREAL
Field: Pharmaceuticals (Chemistry)
Classification: CPC A  C | IPC A  C

Claim 1:
2. The process according to claim 1, wherein R1 and R′1 are chosen from the following groups:
i) C1-C6 alkyl;
ii) C1-C10 alkyl substituted with one or more hydroxyl groups;
iii) C1-C6 alkyl substituted with one or more amino or (di)(C1-C4) alkylamino groups;
iv) C1-C6 alkyl substituted with a nitrogenous heterocycle; or
v) —[(CH2)m—O]p-L-Y, with:
p=1, 2, or 3,
m=1, 2, or 3,
L chosen from linear or branched, saturated C1-C6 divalent hydrocarbon-based groups, and
Y chosen from hydroxyl groups or a hydrogen atom.