Abstract:
Cationic compound (I) or their additive salts with an acid are new. Cationic compounds (I) of formula Col1-LK-Col2 or their additive salts with an acid are new (where the electro neutrality of compound is ensured by one or more anions (An ->). Col1 : a compounds of formulae (I) and (II); Col2 : compounds of formulae (III) and (IV); W 1, W 6-NR 1- or -O; Wa 1, Wa 6-NRa 1Ra 2 or -ORa 3; either R 1, Ra 1, Ra 2, Ra 3H or 1-20 (preferably 1-16)C hydrocarbonated chain forming one or more carbonated cycles (optionally substituted by 3-7 chains and optionally interrupted by one or more heteroatoms or groups carrying at least a heteroatom (preferably O or N)); or Ra 1Ra 2 or NRa 1Ra 2optionally substituted 5-7C heterocyclic chain (optionally comprising another heteroatom, identical or different from nitrogen); or Ra 1+Ra 2+Ra 3, NRa 1, NRa 2, NRa 3forms the entire or part of LK group or 5-7C heterocyclic chain; or R 1, NR 15-7C heterocyclic chain (optionally comprising another heteroatom (optionally substituted by N or O); W 2, W 5, Wa 2, Wa 5phenyl compound of formula (a), pyrrole compound of formula (b) or naphthalene compound of formula (c); X 1N or CR 7 group; X 2N or CR 8 group; Z 1N or CR 10 group; Z 2N or CR 11 group; either R 4, R 5, R 6, Ra 6, R 7, R 8, R 10, R 111-16C hydrocarbonated chain forming one or more carbon cycles comprising 3-6 chains (optionally substituted and interrupted by one or more heteroatoms or groups carrying at least a heteroatom (preferably O or N), OH, 1-4C alkoxy, 2-4C (poly)hydroxyalkoxy, alkoxycarbonyl (RO-CO-) (where R is 1-4C alkyl radical), alkylcarbonyloxy (RCO-O-) radical (where R is 1-4C alkyl radical), amino, amino group substituted by one or more 1-4C alkyl radicals (optionally carrying OH), two alkyl radicals optionally with nitrogen atom forming 5-6C heterocyclic chain optionally carrying another heteroatom identical or different from nitrogen, alkylcarbonylamino (RCO-NR-) group (where R is 1-4C alkyl radical), carbamoyl ((R) 2N-CO) group (where R is H or 1-4C alkyl radical), ureido (N(R) 2-CO-NRa-) group (where R, Ra are H or 1-4C alkyl radical), sulfonamide ((R) 2N-SO 2-) group (where R is 1-4C alkyl radical), alkylsulfonylamino (RSO 2-NRa-) group (where R, Ra is H or 1-4C alkyl), guanidinium ((Ra) 2N-C(=NH 2 +>)-NR-) group (where R, Ra is H or 1-4C alkyl radical), NO 2, CN or halo (Cl or Fl); or R 4, R 5, R 6, Ra 6, R 7, R 8, R 10, R 11H or 5-7C heterocyclic chain, a bond of Wa 2 and Wa 1 with LK group or Wa 5 and Wa 6 with LK group; a : bond of W 2, W 5, Wa 2, Wa 5 with nitrogen group (-N=N-); b : bond of W 2 with W 1, W 5 with W 6, Wa 2 with Wa 1 with LK group or Wa 5 with Wa 6 with LK group; R 9H or 1-6C hydrocarbonated chain forming one or more carbons cycles comprising 3-7 chains (optionally substituted); n, na : lower or equal to 6; W 3, W 4a heteroaromatic cationic radical of formulae (1-11); Ra 41-16C hydrocarbonated chain, forming one or more carbon cycles comprising 3-6 chains (optionally substituted and interrupted by one or more heteroatoms or groups carrying at least a heteroatom (preferably O or N), OH, 1-4C alkoxy, 2-4C (poly)hydroxyalkoxy, alkoxycarbonyl (RO-CO-) (where R is 1-4C alkyl radical), alkylcarbonyloxy (RCO-O-) radical (where R is 1-4C alkyl radical), amino group, amino group substituted by one or more 1-4C alkyl radicals (identical or different) (optionally carrying OH), two alkyl radicals optionally with nitrogen atom forming a 5-6C heterocyclic chain optionally carrying another heteroatom identical or different from nitrogen, alkylcarbonylamino (RCO-NR-) group (where R is 1-4C alkyl radical), carbamoyl ((R) 2N-CO) group (where R is optionally identical H or 1-4C alkyl radical), ureido (N(R) 2-CO-NRa-) group (where R, Ra are H or 1-4C alkyl radical), sulfonamide ((R) 2N-SO 2-) group (where R is 1-4C alkyl radical), alkylsulfonylamino (RSO 2-NRa-) group (where R, Ra = H or 1-4C alkyl radical), guanidinium ((Ra) 2N-C(=NH 2 +>)-NR-) group ((where R, Ra = H or 1-4C alkyl radical), NO 2, CN, halo (preferably Cl or Fl), two radicals Ra4 carried by two adjacent carbon atoms of the main cycle optionally forming a secondary cycle with 5-6 (preferably 6) chains (optionally aromatic and substituted by at least H), OH, 1-4C alkyl radical, 1-4C alkoxy radical, 2-4C (poly)hydroxyalkoxy radical, amino radical, amino radical substituted by 1-4C alkyl radicals (optionally carrying at least OH group); Ra 5an atom (carbon) directly linked to quarternized nitrogen atom representing 1-16C hydrocarbonated chain, forming one or more carbon cycles comprising 3-6 chains (optionally substituted and interrupted by one or more heteroatoms or groups carrying at least a heteroatom (preferably O, N or S); R 71-4C alkyl, phenyl or benzyl (all optionally substituted); c : a bond linking the cationic radical with the nitrogen group on the main (preferred) or secondary cycle; p : 0-4; p1 : 0-2; p2 : 0-3; and LK : 2-40 (preferably 2-20)C hydrocarbon chain carrying cationic charge (optionally substituted or interrupted by a heteroatom or group comprising a heteroatom (O or N). Provided that: if the main cycle does not carry the number of maximum substituent, then the unsubstituted position(s) carry a hydrogen atom; LK is terminated by a heteroatom or group carrying a heteroatom (O or N) if LK is linked to Wa 2, Wa 5 and LK is terminated by a group carrying at least a heteroatom (-CO- or -SO 2) if LK is linked to W 6 and W 1. Independent claims are also included for: (1) tinctorial composition comprising (I) as a direct dye or its additive salts with an acid in a medium for dyeing of keratinous fibers; (2) coloring process of keratinous fiber comprising contacting the composition with the dry or wet keratinous fibers to obtain the desired effect; and (3) a device comprising several compartments in which the first compartment contains the composition and the second compartment contains an oxidizing composition. [Image] [Image] [Image] [Image] [Image] [Image].
Abstract:
본 발명은 하기 화학식 (I) 의 대칭 양이온성 디아조 화합물, 그들의 공명형, 및 그들의 산 부가염 및 그의 용매화물에 관한 것이다:
(식 중, 상동인 W 1 라디칼은 수소 원자; 브롬, 염소 및 불소, 바람직하게는 염소 및 불소로부터 선택되는 할로겐 원자; 또는 -NR 5 R 6 , OR 7 , -NR 4 -Ph-NR 5 R 6 , -NR 4 -Ph-OR 7 , -O-Ph-OR 7 또는 -O-Ph-NR 5 R 6 기를 나타내고, 2 개의 상동인 아조 발색단을 연결하는 비양이온성 링커 L 은 양이온성이거나 아닐 수 있음). 케라틴 섬유의 염색에 적당한 매질 내에 직접 염료로서 그러한 화합물을 함유하는 염색 조성물, 이 조성물을 이용하는 케라틴 섬유 착색 방법, 및 복수의 구획을 가지는 장치에 관한 것이다. 염색 조성물, 염료
Abstract:
Diazoic cationic compounds of specified formula and their acid addition salts. The compounds are of Formula Col1-LK-Col2 (I); W1, W'6-NR1R2, -OR3; Col1 : compound of formula (i); Col2 : compound of formula (ii) or (iii); R1, R2, R3H, 1-20C (preferably 1-16C) hydrocarbon chain optionally forming one or more optionally substituted 3-7 link carbon cycles optionally interrupted by one or more heteroatoms or by one or more groups bearing a heteroatom preferably O or N, optionally when part of W'6 independently together with part of LK and the N or O to which they are attached an optionally substituted 5-7 link heterocycle; R1 + R2optionally with the N to which they are attached a 5-7 link cycle optionally substituted and optionally comprising N or another heteroatom; W6-NR'1, -O-; R'11-20C (preferably 1-16C) hydrocarbon chain optionally forming one or more optionally substituted 3-7 link carbon cycles optionally interrupted by one or more heteroatoms or by one or more groups bearing a heteroatom preferably O or N, optionally together with the N to which it is attached and part of LK a 5-7 link cycle optionally substituted and optionally comprising N or another heteroatom; W2, W5, W'5formulae (a), (b), (c); X1N, CR7; X2N, CR8; Z1N, CR10; Z2N, CR11; R4, R5, R6, R'6, R7, R8, R10, R111-16C hydrocarbon chain optionally forming one or more optionally substituted 3- 7 link carbon cycles optionally interrupted by one or more heteroatoms or by one or more groups bearing a heteroatom preferably O or N, OH, 1-4C alkoxy, 2-4C (poly)hydroxyalkoxy, alkoxy(1-4C)carbonyl, alkyl(1-4C)carbonyloxy, amino optionally substituted with one or more 1-4C alkyl optionally bearing at least one hydroxyl the two alkyl radicals optionally forming together with the N to which they are attached a 5-6 link heterocycle optionally bearing N or another heteroatom, alkylcarbonylamino (RCO-NR), carbamoyl ((R)2N-CO), ureido (N(R))2-CO-NR'-), alkylsulfonylamino (RSO2-NR'), guanidium ((R')2N-C(=NH2+>)- NR-), nitro, cyano, halogen (preferably Cl or F), optionally all or part of W1, W6 or W'6 a 5-7 link optionally substituted heterocycle, the bond W2 to W1 or W5 to W or W'5 to W'6 or the group LK; R, R' : H, 1-4C alkyl; a : the bond of W2, W5 and W'5 to the azoic group - N=N-; b : the bond W5 to W'6 or the group LK; R9H, 1-16C hydrocarbon chain optionally forming one or more optionally substituted 3-7 link cycles; n, n' : sum of integers, 6 or less; W3, W4formulae (1) to (11); R'41-16C hydrocarbon chain optionally forming one or more optionally substituted 3-7 link carbon cycles optionally interrupted by one or more heteroatoms or by one or more groups bearing a heteroatom preferably O or N, OH, 1-4C alkoxy, 2-4C (poly)hydroxyalkoxy, alkoxy(1-4C)carbonyl, alkyl(1-4C)carbonyloxy, amino optionally substituted with one or more 1-4C alkyl optionally bearing at least one hydroxyl the two alkyl radicals optionally forming together with the N to which they are attached a 5-6 link heterocycle optionally bearing N or another heteroatom, alkylcarbonylamino (RCO-NR), carbamoyl ((R)2N-CO), ureido (N(R))2-CO-NR'-), alkylsulfonylamino (RSO2-NR'), guanidium ((R')2N-C(=NH2+>)- NR-), nitro, cyano, halogen (preferably Cl or F), together when borne by adjacent carbon atoms a 5-6 link secondary cycle optionally substituted with at least one H or hydroxyl or 1- 4C alkyl or alkoxy or 2-4C (poly)hydroxyalkoxy or amino or amino substituted with one or more identical or different radicals and preferably a substituted 6 link cycle; R'5when borne by W4 1-16C hydrocarbon chain optionally forming one or more optionally substituted 3-7 link carbon cycles optionally interrupted by one or more heteroatoms or by one or more groups bearing a heteroatom preferably O or N and is linked to the quaternized N by a carbon atom, when borne by W3 a link to LK; R'71-4C alkyl, optionally substituted phenyl, optionally substituted benzyl; c : a linkage to the azoic group on either the principal (preferred) or secondary cycle; p : 0-4; p' : 0-2; p" : 0-3; LK : 2- 40C (preferably 2-20C) hyd
Abstract:
본 발명은 하기식 (1) 염료1-LK-염료2의 양이온성 디아조 화합물에 관한 것이다 상기 식 중 염료1 및 염료2는 식 1의 화합물이 대칭이 되지 않도록 하는 것으로서, 다음과 같다: 염료1:
염료2:
상기 식 중, W 1 , W 6 : -NR 1 , -O-; W' 1 , W' 6 : -NR' 1 R' 2 , -OR' 3 ; W 2 , W 5 , W' 2 , W' 5 : 하기식 (a) 내지 (c)의 기;
W 3 , W 4 : 양이온성 헤테로사이클 라디칼; 비치환된 이미다졸리엄 고리 이외에 하나 이상 LK: 하나 이상의 헤테로 원자 또는 하나 이상의 헤테로 원자를 포함하는 기가 임의 개입된, 포화 또는 불포화, 선형 또는 분지형, 고리 또는 비고리, 방향족 또는 비방향족, 임의 치환된 C 2 -C 40 탄화수소-기재 사슬. 본 발명은 또한 상기 화합물을 직접 염료로 포함하는 염료 조성물과, 또한 본 조성물 및 다중 구획 장치를 사용한 케라틴 섬유 염색 방법에 관한 것이다.
Abstract:
본 발명은 하기 화학식 (I) 의 대칭 양이온성 디아조 화합물, 이들의 공명 형태, 및 이들의 산 부가염 및/또는 이들의 용매화물에 관한 것이다:
[식 중, 상동인 W 1 라디칼은, 할로겐 원자 또는 -NR 5 R 6 , OR 7 , -NR 4 -Ph-NR 5 R 6 , -NR 4 -Ph-OR 7 , -O-Ph-OR 7 또는 -O-Ph-NR 5 R 6 기를 나타내고; 2 개의 상동인 아조 발색단을 연결하는 양이온성 링커인 L 은, 하나 이상의 양이온성 전하를 수반하는 C 2 -C 40 알킬 라디칼을 나타내고, 하나 이상의 포화 또는 불포화 (헤테로)사이클로 임의 치환되고/치환되거나 임의 삽입된다 (링커 L 은 아조, 니트로, 니트로소 또는 퍼옥소 결합을 함유하지 않음)]. 본 발명은 추가로, 케라틴 섬유의 염색에 적당한 매질 내에 직접 염료로서 그러한 화합물을 함유하는 염색 조성물, 또한 이 조성물을 이용하는 케라틴 섬유 착색 방법, 및 복수의 구획을 가지는 장치에 관한 것이다.
Abstract:
본 발명은 하기 화학식 (I) 의 대칭 양이온성 디아조 화합물, 그들의 공명형, 및 그들의 산 부가염 및 그의 용매화물에 관한 것이다:
(식 중, 상동인 W 1 라디칼은 수소 원자; 브롬, 염소 및 불소, 바람직하게는 염소 및 불소로부터 선택되는 할로겐 원자; 또는 -NR 5 R 6 , OR 7 , -NR 4 -Ph-NR 5 R 6 , -NR 4 -Ph-OR 7 , -O-Ph-OR 7 또는 -O-Ph-NR 5 R 6 기를 나타내고, 2 개의 상동인 아조 발색단을 연결하는 비양이온성 링커 L 은 양이온성이거나 아닐 수 있음). 케라틴 섬유의 염색에 적당한 매질 내에 직접 염료로서 그러한 화합물을 함유하는 염색 조성물, 이 조성물을 이용하는 케라틴 섬유 착색 방법, 및 복수의 구획을 가지는 장치에 관한 것이다. 염색 조성물, 염료
Abstract:
Cationic dissymmetrical diazo compounds (I), their resonance forms, acid addition salts an acid and/or their solvates are new. Cationic dissymmetrical diazo compounds of formula (I) (where electroneutrality of (I) is ensured by one or more anions (An)), their resonance forms, acid addition salts an acid and/or their solvates are new. R11-4C alkyl, phenyl or benzyl (all optionally substituted); R3X or 1-16C alkyl (optionally substituted, and optionally interrupted by one or more heteroatoms or groups containing heteroatoms (preferably O, N, S, -CO and/or -SO2)); X : OH, 1-4C alkoxy, 2-4C (poly)hydroxyalkoxy, RO-CO-, RCO-O-, R-CO-, amino (optionally substituted by one or two radicals 1-4C alkyl (optionally carrying OH), where the two alkyl radicals with N optionally form T), alkylcarbonylamino (RCO-NR1-), aminocarbonyl ((R1)2N-CO), ureido (N(R1)2-CO-NR1), aminosulfonyl ((R1)2N-SO2), alkylsulfonylamino (RSO2-NR1-), alkylsulfinyl (R-SO-), alkylsulfonyl (R-SO2-), nitro, CN, halo (Cl or F), HS- or RS; R2X, 1-16C alkyl (optionally substituted by HS, 1-4C thioalkyl, 1-4C alkylsulfinyl or 1-4C alkylsulfonyl, and optionally interrupted by one or more heteroatoms or groups containing heteroatoms (preferably O, N, S, -CO and/or -SO2)), substituted aryl or 1-4C arylalkyl (optionally substituted); e, m1 : 0-4; T : 5-7 membered optionally aromatic heterocycle (containing 1-3 (preferably 1-2) heteroatoms N (preferred), O or S); W1H, halo (Br, Cl or F (preferably Cl or F)), NR5R6, OR7, -NR4-Ph-NR5R6, -NR4-Ph-OR7, -O-Ph-OR7 or -O-Ph-NR5R6; R4, R71-20C (preferably 1-16C) alkyl, 1-3C aralkyl, phenyl (all optionally substituted) or H; either R5, R61-20C (preferably 1-16C) alkyl, 1-3C aralkyl, phenyl (all optionally substituted), H or R-CO-; or NR5R6T; or R5 + R6 + C (of aromatic cycle adjacent to that to which -NR5R6 is attached) : 5-6 membered saturated heterocycle; Ph : optionally substituted phenyl; L : covalent bond, 1-40C (preferably 1-20C) alkyl (optionally substituted and optionally interrupted by 3-7 membered optimally aromatic heterocycle (optionally fused and optionally substituted), one or more heteroatoms or groups containing heteroatoms (O, N, S, CO and/or SO2)) or optionally substituted phenyl; R : 1-4C alkyl; and R1H or R. Provided that when e is 2, then two adjacent R2 together forms with carbon atom to which they are attached a 5-6 (preferably 6) membered secondary cycle (optionally substituted by 1-4C alkyl, 1-4C alkoxy, 2-4C (poly)hydroxyalkoxy or amino (optionally substituted by 1-4C alkyl (optionally carrying OH)). Provided that when m1 is 2, then two adjacent R3 together forms with carbon atom to which they are attached a 6 membered secondary cycle (optionally substituted by OH, 1-4C alkyl, 1-4C alkoxy, 2-4C (poly)hydroxyalkoxy or amino (optionally substituted by 1-4C alkyl (optionally carrying OH)). Provided that when e and m1 are lower than 4, the carbon atoms of unsubstituted heterocycle carry a hydrogen atom. Provided that OR7 and NR5R6 groups form substitutions i.e. when two adjacent R3 form a 6-membered aromatic ring, which is optionally substituted by NR4-Ph, NR4-Ph-OR7 or NR4-Ph-NR5R6. Provided that L is not azo, nitro, nitroso or peroxo. Independent claims are included for: (1) a tinctorial composition (A) comprising (I), in a medium for the dyeing of keratinous fibers, as direct dye; (2) a process of dyeing keratinous fiber comprising contacting (A) with the dry or wet fibers to obtain the desired effect; and (3) a device with several compartments, comprising a first compartment comprising (A) and a second compartment containing an oxidizing composition. [Image]
Abstract:
A dissymmetrical cationic diazo compound is provided to secure effective resistance against an external application agent such as shampoo and provide improved dyeing characteristics such as chromaticity, coloring powder and low distinction, thereby capable of more uniform coloration between the tip and root of hair. A dissymmetrical cationic diazo compound is represented by the formula(I), (II), (III) or (IV), wherein R1 is independently C1-4 alkyl radical, phenyl radical, or benzyl radical; R2 is independently C1-16 alkyl radical optionally interrupted by at least one heteroatom and/or at least one group containing at least one heteroatom, hydroxyl, C1-4 alkoxy, C2-4 (poly)hydroxyalkoxy, alkoxycarbonyl, alkylcarbonyloxy radical, alkylcarbonyl radical, amino group, amino group substituted by at least one C1-4 alkyl radical optionally carrying at least one hydroxyl, alkylcarbonylamino, aminocarbonyl, ureido, aminosulfonyl, alkylsulphonylamino, aryl radical, (C1-4)alkylaryl radical, alkylsulphinyl, alkylsulphonyl, nitro, cyano, halogen, thio, alkylthio group; R3 is independently selected from C1-16 alkyl radical optionally interrupted by at least one heteroatom or by at least one group containing at least one heteroatom, hydroxyl, C1-4 alkoxy, C2-4 (poly)hydroxyalkoxy, alkoxycarbonyl, alkylcarbonyloxy, alkylcarbonyl, amino group, amino group substituted by at least one C1-4 alkyl radical optionally carrying at least one hydroxyl, alkylcarbonylamino, aminocarbonyl, ureido, aminosulfonyl, alkylsulphonylamino, alkylthio, alkylsulfinyl, alkylsulfonyl, nitro, cyano, and halogen group. A dyeing composition comprises at least one compound selected from the formulae(I), (II), (III), and (IV), acid addition salts thereof and solvates thereof in a medium appropriate for dyeing keratin fibers.
Abstract:
본 발명은 하기식 (1) 염료1-LK-염료2의 양이온성 디아조 화합물에 관한 것이다: 염료1 및 염료2는 식 1의 화합물이 대칭이 되지 않도록 하는 것으로서, 다음과 같다: 염료 1 :
염료 2 :
상기 식 중, W 1 , W 6 : -NR 1 , -O-; W' 1 , W' 6 : -NR' 1 R' 2 , -OR' 3 ; W 2 , W 5 , W' 2 , W' 5 : 하기식 (a) 내지 (c)의 기;
W 3 , W 4 : 4차 암모늄을 함유하는 헤테로사이클 라디칼; LK: 하나 이상의 헤테로 원자 또는 하나 이상의 헤테로 원자를 포함하는 기가 임의로 중간에 삽입된 하나 이상의 양이온성 전하를 갖는, 임의 치환된 C 2 -C 40 탄화수소-기재 사슬. 본 발명은 또한 상기 화합물을 직접 염료로 포함하는 염료 조성물 및, 또한 본 조성물 및 다중 구획 장치를 사용한 케라틴 섬유 염색 방법에 관한 것이다.
Abstract:
Cationic dissymmetrical diazo compounds (I), their resonance forms, acid addition salts an acid and/or their solvates are new. Cationic dissymmetrical diazo compounds of formula (I) (where electroneutrality of (I) is ensured by one or more anions (An)), their resonance forms, acid addition salts an acid and/or their solvates are new. R11-4C alkyl, phenyl or benzyl (all optionally substituted); R3X or 1-16C alkyl (optionally substituted, and optionally interrupted by one or more heteroatoms or groups containing heteroatoms (preferably O, N, S, -CO and/or -SO2)); X : OH, 1-4C alkoxy, 2-4C (poly)hydroxyalkoxy, RO-CO-, RCO-O-, R-CO-, amino (optionally substituted by one or two radicals 1-4C alkyl (optionally carrying OH), where the two alkyl radicals with N optionally form T), alkylcarbonylamino (RCO-NR1-), aminocarbonyl ((R1)2N-CO), ureido (N(R1)2-CO-NR1), aminosulfonyl ((R1)2N-SO2), alkylsulfonylamino (RSO2-NR1-), alkylsulfinyl (R-SO-), alkylsulfonyl (R-SO2-), nitro, CN, halo (Cl or F), HS- or RS; R2X, 1-16C alkyl (optionally substituted by HS, 1-4C thioalkyl, 1-4C alkylsulfinyl or 1-4C alkylsulfonyl, and optionally interrupted by one or more heteroatoms or groups containing heteroatoms (preferably O, N, S, -CO and/or -SO2)), substituted aryl or 1-4C arylalkyl (optionally substituted); e, m1 : 0-4; T : 5-7 membered optionally aromatic heterocycle (containing 1-3 (preferably 1-2) heteroatoms N (preferred), O or S); W1H, halo (Br, Cl or F (preferably Cl or F)), NR5R6, OR7, -NR4-Ph-NR5R6, -NR4-Ph-OR7, -O-Ph-OR7 or -O-Ph-NR5R6; R4, R71-20C (preferably 1-16C) alkyl, 1-3C aralkyl, phenyl (all optionally substituted) or H; either R5, R61-20C (preferably 1-16C) alkyl, 1-3C aralkyl, phenyl (all optionally substituted), H or R-CO-; or NR5R6T; or R5 + R6 + C (of aromatic cycle adjacent to that to which -NR5R6 is attached) : 5-6 membered saturated heterocycle; Ph : optionally substituted phenyl; L : covalent bond, 1-40C (preferably 1-20C) alkyl (optionally substituted and optionally interrupted by 3-7 membered optimally aromatic heterocycle (optionally fused and optionally substituted), one or more heteroatoms or groups containing heteroatoms (O, N, S, CO and/or SO2)) or optionally substituted phenyl; R : 1-4C alkyl; and R1H or R. Provided that when e is 2, then two adjacent R2 together forms with carbon atom to which they are attached a 5-6 (preferably 6) membered secondary cycle (optionally substituted by 1-4C alkyl, 1-4C alkoxy, 2-4C (poly)hydroxyalkoxy or amino (optionally substituted by 1-4C alkyl (optionally carrying OH)). Provided that when m1 is 2, then two adjacent R3 together forms with carbon atom to which they are attached a 6 membered secondary cycle (optionally substituted by OH, 1-4C alkyl, 1-4C alkoxy, 2-4C (poly)hydroxyalkoxy or amino (optionally substituted by 1-4C alkyl (optionally carrying OH)). Provided that when e and m1 are lower than 4, the carbon atoms of unsubstituted heterocycle carry a hydrogen atom. Provided that OR7 and NR5R6 groups form substitutions i.e. when two adjacent R3 form a 6-membered aromatic ring, which is optionally substituted by NR4-Ph, NR4-Ph-OR7 or NR4-Ph-NR5R6. Provided that L is not azo, nitro, nitroso or peroxo. Independent claims are included for: (1) a tinctorial composition (A) comprising (I), in a medium for the dyeing of keratinous fibers, as direct dye; (2) a process of dyeing keratinous fiber comprising contacting (A) with the dry or wet fibers to obtain the desired effect; and (3) a device with several compartments, comprising a first compartment comprising (A) and a second compartment containing an oxidizing composition. [Image]