2-ethyl-3-methyl-5-trifluoromethyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid (4-cyano-3-trifluoromethyl-phenyl)-amide

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Chemical Name:2-ethyl-3-methyl-5-trifluoromethyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid (4-cyano-3-trifluoromethyl-phenyl)-amide
CAS No.:888072-79-5
Molecular Formula:C₁₆H₁₄F₆N₄O
Molecular Weight:392.304
Hs Code.:

Synonyms:2-ethyl-3-methyl-5-trifluoromethyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid (4-cyano-3-trifluoromethyl-phenyl)-amide

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Chemical Property of 2-ethyl-3-methyl-5-trifluoromethyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid (4-cyano-3-trifluoromethyl-phenyl)-amide

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Technology Process of 2-ethyl-3-methyl-5-trifluoromethyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid (4-cyano-3-trifluoromethyl-phenyl)-amide

There total 3 articles about 2-ethyl-3-methyl-5-trifluoromethyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid (4-cyano-3-trifluoromethyl-phenyl)-amide 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: 30.0%

: 888071-58-7
3-methyl-5-trifluoromethyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid (4-cyano-3-trifluoromethyl-phenyl)-amide

: 368-39-8
triethyloxonium fluoroborate

: 888072-79-5
2-ethyl-3-methyl-5-trifluoromethyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid (4-cyano-3-trifluoromethyl-phenyl)-amide

: N-(4-cyano-3-trifluoromethyl-phenyl)-3-methyl-5-trifluoromethyl-4,5-dihydro-3H-pyrazole-3-carboxylic acid ethyl ester

Guidance literature:: With disodium hydrogenphosphate; In dichloromethane; at 0 - 20 ℃;
DOI:10.1021/jm0613976

Reference yield:

: 90357-53-2
N-[4-cyano-3-(trifluoromethyl)phenyl]-2-methylacrylamide

: 888072-79-5
2-ethyl-3-methyl-5-trifluoromethyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid (4-cyano-3-trifluoromethyl-phenyl)-amide

Guidance literature:: Multi-step reaction with 2 steps

1.1: NaH / tetrahydrofuran / 0.33 h / 0 °C

1.2: tetrahydrofuran / 55 °C

2.1: 30 percent / Na₂HPO₄ / CH₂Cl₂ / 0 - 20 °C

With disodium hydrogenphosphate; sodium hydride; In tetrahydrofuran; dichloromethane;
DOI:10.1021/jm0613976

Reference yield:

: C₁₄H₁₀F₆N₄O

: 888072-79-5
2-ethyl-3-methyl-5-trifluoromethyl-3,4-dihydro-2H-pyrazole-3-carboxylic acid (4-cyano-3-trifluoromethyl-phenyl)-amide

Guidance literature:: Multi-step reaction with 2 steps

1: trifluoroacetic acid / 0.5 h / 20 °C

2: 30 percent / Na₂HPO₄ / CH₂Cl₂ / 0 - 20 °C

With disodium hydrogenphosphate; trifluoroacetic acid; In dichloromethane;
DOI:10.1021/jm0613976