4-(2,4-dimethylthiophen-3-yl)-3-(2-fluoro-4-hydroxyphenyl)-1-methyl-1H-pyrazole-5-carbonitrile

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Chemical Name:4-(2,4-dimethylthiophen-3-yl)-3-(2-fluoro-4-hydroxyphenyl)-1-methyl-1H-pyrazole-5-carbonitrile
CAS No.:1290138-67-8
Molecular Formula:C₁₇H₁₄FN₃OS
Molecular Weight:327.382
Hs Code.:

Synonyms:4-(2,4-dimethylthiophen-3-yl)-3-(2-fluoro-4-hydroxyphenyl)-1-methyl-1H-pyrazole-5-carbonitrile

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Chemical Property of 4-(2,4-dimethylthiophen-3-yl)-3-(2-fluoro-4-hydroxyphenyl)-1-methyl-1H-pyrazole-5-carbonitrile

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Technology Process of 4-(2,4-dimethylthiophen-3-yl)-3-(2-fluoro-4-hydroxyphenyl)-1-methyl-1H-pyrazole-5-carbonitrile

There total 3 articles about 4-(2,4-dimethylthiophen-3-yl)-3-(2-fluoro-4-hydroxyphenyl)-1-methyl-1H-pyrazole-5-carbonitrile 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: 43.0%

: 1290138-66-7
4-(2,4-dimethylthiophen-3-yl)-3-(2-fluoro-4-methoxyphenyl)-1-methyl-1H-pyrazole-5-carbonitrile

: 1290138-67-8
4-(2,4-dimethylthiophen-3-yl)-3-(2-fluoro-4-hydroxyphenyl)-1-methyl-1H-pyrazole-5-carbonitrile

Guidance literature:: 4-(2,4-dimethylthiophen-3-yl)-3-(2-fluoro-4-methoxyphenyl)-1-methyl-1H-pyrazole-5-carbonitrile; With boron dimethyl-trifluoro sulphide; In dichloromethane; at 20 ℃;

With methanol; In dichloromethane;

Reference yield:

: 1290138-75-8
4-bromo-3-(2-fluoro-4-methoxyphenyl)-1-methyl-1H-pyrazole-5-carbaldehyde

: 1290138-67-8
4-(2,4-dimethylthiophen-3-yl)-3-(2-fluoro-4-hydroxyphenyl)-1-methyl-1H-pyrazole-5-carbonitrile

Guidance literature:: Multi-step reaction with 3 steps

1.1: hydroxylamine hydrochloride; pyridine / ethanol / 0.05 h / 110 °C / microwave irradiation

1.2: 0.83 h / 150 °C / microwave irradiation

2.1: tris-(o-tolyl)phosphine; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾ / N,N-dimethyl-formamide / 85 °C / Inert atmosphere

3.1: boron dimethyl-trifluoro sulphide / dichloromethane / 20 °C

With pyridine; boron dimethyl-trifluoro sulphide; hydroxylamine hydrochloride; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; tris-(o-tolyl)phosphine; In ethanol; dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 1290138-65-6
4-bromo-3-(2-fluoro-4-methoxyphenyl)-1-methyl-1H-pyrazole-5-carbonitrile

: 1290138-67-8
4-(2,4-dimethylthiophen-3-yl)-3-(2-fluoro-4-hydroxyphenyl)-1-methyl-1H-pyrazole-5-carbonitrile

Guidance literature:: Multi-step reaction with 2 steps

1: tris-(o-tolyl)phosphine; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾ / N,N-dimethyl-formamide / 85 °C / Inert atmosphere

2: boron dimethyl-trifluoro sulphide / dichloromethane / 20 °C

With boron dimethyl-trifluoro sulphide; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; tris-(o-tolyl)phosphine; In dichloromethane; N,N-dimethyl-formamide;