Patent ID: 11919834
Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 10:
11. The method of claim 8, wherein G″ is C1-C3 alkyl group, and wherein Step (c) comprises at least one step selected from the group consisting of:
a Step (C-6) of oxidation of a compound of formula (IV) to provide for compounds of formula (I) wherein G and G′ are groups of formula —COY, wherein said groups of formula —COY are optionally reacted with an ortho-amino-phenol derivative of formula, so as to provide for compounds of formula (I) wherein G and G′ are groups of formula, with Xz being —NH2; —NO2; —OH, —Xoo, —C(O)X# with X# being —OH, or being —Xoo; with Xoo being a halogen selected from F, Cl, Br, I.