2-(Amino or substituted amino)-3-5-6-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 R3, R5 and R6 are substituted and are independently 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) independently comprising 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 substituents consisting of SA16, SCN, SO2A16, SO3A16, SSA16, SOA16, SO2NA16A17, SNA16A17, and SONA16A17;
• (c) the group of O-linked substituents consisting of OA16, OCN and ONA16A17;
• (d) the group of N-linked substituents consisting of NA16A20, (NA16A17A18)+, NC, NA16OA17, NA16SA17, NCO, NCS, N═NA16, N═NOA16, NA16CN, and NA16NA17A18;
• (e) the group of substituents consisting of COOA19, CON3, CONA162, CONA16COA17, C(═NA16)NA16A17, CHO, CHS, CN, NC, and X;
• and
• (f) the group of fluoroalkyl substituents consisting of mono-, poly-, and per-fluoro alkyl systems comprising from about 1 to about 12 carbon atoms and from about 0 to about 4 heteroatoms,
• wherein, A16, A17, and A18 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 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;
• and wherein X is a halogen selected from the group consisting of F, Cl, Br, and I, and wherein
• A19 is monovalent and independently selected from
• (1) substituted or unsubstituted, straight or branched, alkyl, mono- or poly-unsaturated alkyl, heteroalkyl, aliphatic, heteroaliphatic or heteroolefinic systems,
• (2) sunstituted 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 (2) and (3) comprising independently from about 2 to about 10 carbon atoms and from about 0 to about 5 heteroatoms independently 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
• A20 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) independently comprising 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;
• and wherein X is a halogen selected from the group consisting of F, Cl, Br, and I and wherein
• R is selected from any of the groups (a), (b), (c), (d), (e) and (f) and H.