2-(Amino or substituted amino)-5, 6-substituted phenol compounds, dyeing compositions containing them, and use thereof

A compound of the formula (I), or its salts with an inorganic or organic acid,

• wherein both R5 and R6 are substituted and R5 is selected from:
• (a) the group of C-linked monovalent substituents consisting of:
• (i) substituted or unsubstituted, straight or branched, alkyl, mono- or poly-unsaturated alkyl, heteroalkyl, aliphatic, heteroaliphatic, or heteroolefinic systems, (ii) substituted or unsubstituted, mono- or poly-cyclic aliphatic, aryl, or heterocyclic systems, and (iii) substituted or unsubstituted, mono-, poly-, or per-fluoro alkyl systems;
• said systems of (i), (ii) and (iii) comprising independently from about 1 to about 10 carbon atoms and from about 0 to about 5 heteroatoms independently selected from O, S and Si;
• (b) the group of S-linked monovalent substituents consisting of SA6, SCN, SO3A6, SSA6, SOA6, SNA6A7, and SONA6A7;
• (c) the group of O-linked monovalent substituents consisting of OA9, OCN and ONA6A7;
• (d) the group of N-linked monovalent substituents consisting of NA6A10, (NA6A7A8)+, NA6OA7, NA6SA7, NCO, NCS, N═NA6, N═NOA6, NA6CN, and NA6NA7A8;
• (e) the group of monovalent substituents consisting of CON3, CONA6COA7, C(═NA6)NA6A7, CHO, and CHS;
• and
• (f) the group of fluoroalkyl monovalent substituents consisting of mono-, poly-, and per-fluoro alkyl systems comprising from about 1 to about 12 carbon atoms and about 0 to about 4 heteroatoms,
• wherein for the groups (b) to (e), A6, A7, and A8 are monovalent and are independently selected from:
• (1) H,
• (2) substituted or unsubstituted, straight or branched, alkyl, mono- or poly-unsaturated alkyl, heteroalkyl, aliphatic, heteroaliphatic, or heteroolefinic systems,
• (3) substituted or unsubstituted, mono- or poly-cyclic aliphatic, aryl, or heterocyclic systems, and
• (4) substituted or unsubstituted, mono-, poly-, or per-fluoro alkyl systems;
• said systems of (2), (3) and (4) comprising from about 1 to about 10 carbon atoms and about 0 to about 5 heteroatoms selected from O, S, N, P, and Si;
• wherein A9 is monovalent and is independently selected from:
• (1) substituted or unsubstituted, straight or branched, alkyl, mono- or poly-unsaturated alkyl, heteroalkyl, aliphatic, heteroaliphatic, or heteroolefinic systems,
• (2) substituted or unsubstituted, mono- or poly-cyclic aliphatic, aryl, or heterocyclic systems, and
• (3) substituted or unsubstituted, mono-, poly-, or per-fluoro alkyl systems;
• said systems of (1), (2) and (3) comprising independently from about 2 to about 10 carbon atoms and from about 0 to about 5 heteroatoms selected from O, S, N, P, and Si, and
• wherein A10 is monovalent and is independently selected from:
• (1) substituted or unsubstituted, straight or branched, alkyl, mono- or poly-unsaturated alkyl, heteroalkyl, aliphatic, heteroaliphatic, or heteroolefinic systems,
• (2) substituted or unsubstituted, mono- or poly-cyclic aliphatic, aryl, or heterocyclic systems, and
• (3) substituted or unsubstituted, mono-, poly-, or per-fluoro alkyl systems;
• said systems of (1), (2) and (3) comprising independently from about 1 to about 10 carbon atoms and from about 0 to about 5 heteroatoms selected from O, S, N, P, and Si;
• and wherein X is a halogen selected from the group consisting of F, Cl, Br, and I, and
• wherein the substituent R6 is selected from:
• (a) the group of C-linked monovalent substituents consisting of:
• (i) substituted or unsubstituted, straight or branched, alkyl, mono- or poly-unsaturated alkyl, heteroalkyl, aliphatic, heteroaliphatic, or heteroolefinic systems, (ii) substituted or unsubstituted, mono- or poly-cyclic aliphatic, aryl, or heterocyclic systems, and (iii) substituted or unsubstituted, mono-, poly-, or per-fluoro alkyl systems;
• said systems of (i), (ii) and (iii) comprising independently from about 1 to about 10 carbon atoms and from about 0 to about 5 heteroatoms independently selected from O, S, N, P, and Si;
• (b) the group of S-linked monovalent substituents consisting of SA11, SCN, SO3A11, SSA11, SOA11, SNA11A12, and SONA11A12;
• (c) the group of O-linked monovalent substituents consisting of OA14, OCN and ONA11A12;
• (d) the group of N-linked monovalent substituents consisting of NA11A15, (NA11A12A13)+, NA11OA12, NA11SA12, NCO, NCS, NO2, N═NA11, N═NOA11, NA11CN, and NA11NA12A13;
• (e) the group of monovalent substituents consisting of CON3, CONA11COA12, C(═NA11)NA11A12, CHO, and CHS and
• (f) the group of fluoroalkyl monovalent substituents consisting of mono-, poly-, or per-fluoro alkyl systems comprising from about 1 to about 12 carbon atoms and from about 0 to about 4 heteroatoms,
• wherein for the groups (b) to (e), A11, A12, and A13 are monovalent and are independently selected from:
• (1) H,
• (2) substituted or unsubstituted, straight or branched, alkyl, mono- or poly-unsaturated alkyl, heteroalkyl, aliphatic, heteroaliphatic, or heteroolefinic systems,
• (3) substituted or unsubstituted, mono- or poly-cyclic aliphatic, aryl, or heterocyclic systems, and
• (4) substituted or unsubstituted, mono-, poly-, or per-fluoro alkyl systems;
• wherein said systems of (2), (3) and (4) comprising independently from about 1 to about 10 carbon atoms and from about 0 to about 5 heteroatoms selected from O, S, N, P, and Si and
• wherein A14 is monovalent and is independently selected from:
• (1) substituted or unsubstituted, straight or branched, alkyl, mono- or poly-unsaturated alkyl, heteroalkyl, aliphatic, heteroaliphatic, or heteroolefinic systems,
• (2) substituted or unsubstituted, mono- or poly-cyclic aliphatic, aryl, or heterocyclic systems, and
• (3) substituted or unsubstituted, mono-, poly-, or per-fluoro alkyl systems;
• wherein said systems of (1), (2) and (3) comprising independently from about 2 to about 10 carbon atoms and from about 0 to about 5 heteroatoms selected from O, S, N, P, and Si, and
• wherein A15 is monovalent and is independently selected from:
• (1) substituted or unsubstituted, straight or branched, alkyl, mono- or poly-unsaturated alkyl, heteroalkyl, aliphatic, heteroaliphatic, or heteroolefinic systems,
• (2) substituted or unsubstituted, mono- or poly-cyclic aliphatic, aryl, or heterocyclic systems, and
• (3) substituted or unsubstituted, mono-, poly-, or per-fluoro alkyl systems;
• wherein said systems of (1), (2) and (3) comprising independently from about 1 to about 10 carbon atoms and from about 0 to about 5 heteroatoms selected from O, S, N, P, and Si;
• and wherein X is a halogen selected from the group consisting of F, Cl, Br, and I and
• wherein R5 and R6 are not both methyl and wherein R2 is selected from H and any of the groups defined for R5 and R6.