50670-19-4

Upstream product

• 872-85-5 pyridine-4-carbaldehyde 
• 618-40-6 1-Methyl-1-phenylhydrazine 

Downstream Products

• 863638-68-0 compound [28] 
• 1042977-77-4 Br^(1-)*C₁₉H₂₁N₄O₂S⁽¹⁺⁾ 
• 960357-99-7 Br^(1-)*C₁₆H₁₉BrN₃⁽¹⁺⁾ 

Relevant academic research and scientific papers

CATIONIC DYES

Disclosed are dyes of Formula (I) wherein D is the radical of anthraquinone, acridine, azo, azomethine, hydrazomethine, benzodifuranone, coumarine, diketopyrrolopyrrol, dioxaxine, diphenylmethane, formazane, indigoid, indophenol, naphtalimide, naphthaquinone, nitroaryl, merocyanine, methine, oxazine,perinone, perylene, pyrenequinone, phtalocyanine, phenazine, quinoneimine, quinacridone, quinophtalone, stilbene, styryl, triphenylmethane, xanthene, thiazine dye and thioxanthene dye; Q is C 1-C 30alkylene, -C 2-C 12alkenylene, C 5-C10arylene-, C 5-C 10cycloalkylene-or -C 1- C 10alkylene(C5-C10arylene)-which may be interrupted and/or terminated at one or both ends by one or more than one -O-, -S-, -N=, -N(R 1)-, SO2, -(CH 2CH 2-O) 1-5-, -(CH 2CH 2CH 2-O) 1-5-, -C(O)-, -C(O)-C1-C12alkenylene, -C(O)O-, -OCO-, AN+ R 1 R 2, -CON(R 1)-, -C(NR1R2) 2-, -(R1)NC(O)-, -CSR1-or an optionally substituted, saturated or unsaturated, fused or non-fused aromatic or nonaromatic (hetero)cyclic) bivalent radical optionally comprising at least one heteroatom; -O-; -S-; -N(R1)-; SO2; -(CH2CH2-O) 1-5-; -C(O)-; -C(O)-C1-C12alkenylene; -C(O)O-, -OCO-;B N+ R 1 R 2; -CON(R1)-; -C(NR1R 2) 2-; -(R1)NC(O)-; CSR1; saturated or unsaturated, fused or non-fused aromatic or nonaro- matic bivalent radical optionally comprising at least one heteroatom; which is optionally substituted by C1-C30alkyl, C1-C30alkoxy, -C2-C12alkenyl, C5-C10aryl, C5-C10cycloalkyl, C1- C10alkyl(C5-C10arylene), hydroxy or D+; R1and R2 independently from each other are hydrogen; or unsubstituted or substituted, straight-chain or branched, monocyclic or polycyclic, interrupted or uninterrupted C1- C14alkyl; C1-C14hydroxyalkyl; C1-C14 aminoalkyl; C2-C14alkenyl; C6-C10aryl; C6-C10aryl-C1- C10alkyl; or C 5-C 10alkyl(C5-C10aryl).

Polycationic monochromophoric hydrazone compounds, dye compositions comprising such polycationic compounds and dyeing process using them

The present disclosure relates to polycationic monochromophoric hydrazone compounds of following formula (I): wherein W1 is a heteroaromatic radical comprising 5 or 6 ring members, optionally condensed with an aromatic ring comprising 6 ring me

Dicationic bis-hydrazone compound, dye composition comprising at least one such compound, implementation process therefor and uses thereof

The present disclosure relates to a novel family of dicationic bis-hydrazone compounds that may be used as direct dyes, and to a dye composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyein

SULFIDE DYES

Formula (I) wherein R1 and R2 each independently from each other are a residue of an organic dye; Y1 and Y2 each independently from each other are unsubstituted or substituted, straightchain or branched, interrupted or uninterrupted -C1-C10alkylene-; -C5-C10cycloalkylene-; C5-C10arylene; or-C5-C10arylene-(C1-C10alkylene)-; Z1 and Z2 independently from each other are Formula (II) are each independently from each other hydrogen; or unsubstituted or substituted, straight-chain or branched, monocyclic or polycyclic, interrupted or uninterrupted C1-C14alkyl; C2-C14alkenyl; C6-C10aryl; C6-C10aryl-C1-C10alkyl; or C5-C10alkyl(C5-C10aryl); r, q and n independently from each other are 0 or 1, if n is 0, Z3 is hydrogen; and if n is 1, Z3 is -S-; with the proviso that the method does not comprise treating the fiber with an enzyme of the type of a protein disulfidisomerase (EC 5.3.4.1). Further, the present invention relates to novel disulfid compounds, compositions thereof, especially comprising other dyes, and to processes for their preparation.