5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(methylthio)-1H-pyrazole-3-carbohydrazide

Base Information

Chemical Name:5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(methylthio)-1H-pyrazole-3-carbohydrazide
CAS No.:1219737-03-7
Molecular Formula:C₁₇H₁₃Cl₃N₄OS
Molecular Weight:427.741
Hs Code.:

Synonyms:5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(methylthio)-1H-pyrazole-3-carbohydrazide

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Chemical Property of 5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(methylthio)-1H-pyrazole-3-carbohydrazide

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Technology Process of 5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(methylthio)-1H-pyrazole-3-carbohydrazide

There total 4 articles about 5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(methylthio)-1H-pyrazole-3-carbohydrazide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 70.0%

: ethyl 5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methylsulfanyl-1H-pyrazole-3-carboxylate

: 1219737-03-7
5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(methylthio)-1H-pyrazole-3-carbohydrazide

Guidance literature:: With hydrazine hydrate; In ethanol; at 90 ℃; for 2h; Inert atmosphere;

Reference yield:

: 24437-53-4
1-(4-chlorophenyl)-2-methylthio ethanone

: 1219737-03-7
5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(methylthio)-1H-pyrazole-3-carbohydrazide

Guidance literature:: Multi-step reaction with 3 steps

1.1: lithium hexamethyldisilazane / tert-butyl methyl ether / 1.5 h / -40 °C / Inert atmosphere

1.2: 0 - 20 °C / Inert atmosphere

2.1: ethanol / 17 h / 20 °C / Reflux

3.1: hydrazine hydrate / ethanol / 2 h / 90 °C

With hydrazine hydrate; lithium hexamethyldisilazane; In ethanol; tert-butyl methyl ether;

Reference yield:

: 536-38-9
4-chlorobenzoylmethyl bromide

: 1219737-03-7
5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-(methylthio)-1H-pyrazole-3-carbohydrazide

Guidance literature:: Multi-step reaction with 4 steps

1.1: tetrahydrofuran / 1 h / -40 °C

2.1: lithium hexamethyldisilazane / tert-butyl methyl ether / 1.5 h / -40 °C / Inert atmosphere

2.2: 0 - 20 °C / Inert atmosphere

3.1: ethanol / 17 h / 20 °C / Reflux

4.1: hydrazine hydrate / ethanol / 2 h / 90 °C

With hydrazine hydrate; lithium hexamethyldisilazane; In tetrahydrofuran; ethanol; tert-butyl methyl ether;