155601-07-3

Upstream product

• 100-46-9 benzylamine 
• 155600-99-0 3,5-di-bromo-1-methyl-4-nitropyrazole 

Downstream Products

• 1196686-02-8 N-benzyl-1-methyl-4-nitro-3-phenoxy-1H-pyrazol-5-amine 
• 1196686-00-6 1-benzyl-3-(ethylthio)-N,N-dimethyl-4-nitro-1H-pyrazol-5-amine 
• 1196685-97-8 1-benzyl-3-(ethylthio)-N⁵,N⁵-dimethyl-1H-pyrazole-4,5-diamine 

Relevant academic research and scientific papers

KERATIN DYEING COMPOUNDS, KERATIN DYEING COMPOSITIONS CONTAINING SAID COMPOUNDS, AND USE THEREOF

Compositions for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and at least one 3-substituted pyrazole keratin dyeing compound and derivatives thereof. A method for oxidative dyeing of keratin fibers, comprising applying

Keratin Dyeing Compounds, Keratin Dyeing Compositions Containing Said Compounds, and Use Thereof

Compositions for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and at least one 3-substituted pyrazole keratin dyeing compound and derivatives thereof. A method for oxidative dyeing of keratin fibers, comprising applying

Process for the synthesis of 4,5-diaminopyrazole derivatives useful for dyeing hair

The subject matter of the present invention is directed to a process for producing 4,5-diaminopyrazole derivatives of the general formula (I) STR1 where R1 and R2 independently designate hydrogen, a C1 - to C6 -