3-cyclopropyl-5-(difluoromethyl)-1-(2-fluoro-4-nitrophenyl)-1H-pyrazole

Base Information

Chemical Name:3-cyclopropyl-5-(difluoromethyl)-1-(2-fluoro-4-nitrophenyl)-1H-pyrazole
CAS No.:1288340-66-8
Molecular Formula:C₁₃H₁₀F₃N₃O₂
Molecular Weight:297.237
Hs Code.:

Synonyms:3-cyclopropyl-5-(difluoromethyl)-1-(2-fluoro-4-nitrophenyl)-1H-pyrazole

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Chemical Property of 3-cyclopropyl-5-(difluoromethyl)-1-(2-fluoro-4-nitrophenyl)-1H-pyrazole

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Technology Process of 3-cyclopropyl-5-(difluoromethyl)-1-(2-fluoro-4-nitrophenyl)-1H-pyrazole

There total 3 articles about 3-cyclopropyl-5-(difluoromethyl)-1-(2-fluoro-4-nitrophenyl)-1H-pyrazole 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:

: 1062296-03-0,1042768-00-2
5-cyclopropyl-3-(difluoromethyl)-1H-pyrazole

: 367-11-3
ortho-difluorobenzene

: 1288340-67-9
5-cyclopropyl-3-(difluoromethyl)-1-(2-fluoro-4-nitrophenyl)-1H-pyrazole

: 1288340-66-8
3-cyclopropyl-5-(difluoromethyl)-1-(2-fluoro-4-nitrophenyl)-1H-pyrazole

Guidance literature:: 5-cyclopropyl-3-(difluoromethyl)-1H-pyrazole; With caesium carbonate; In acetone; for 0.5h; Reflux;

ortho-difluorobenzene; In acetone; for 1h;

Reference yield:

: 765-43-5
Cyclopropyl methyl ketone

: 1288340-67-9
5-cyclopropyl-3-(difluoromethyl)-1-(2-fluoro-4-nitrophenyl)-1H-pyrazole

: 1288340-66-8
3-cyclopropyl-5-(difluoromethyl)-1-(2-fluoro-4-nitrophenyl)-1H-pyrazole

Guidance literature:: Multi-step reaction with 3 steps

1.1: 1,1,1,3,3,3-hexamethyl-disilazane; n-butyllithium / diethyl ether / 0.75 h / -78 °C / Inert atmosphere

1.2: -78 - 28 °C

2.1: hydrogenchloride; hydrazine hydrate / ethanol; water / 3 h / Reflux

3.1: caesium carbonate / acetone / 0.5 h / Reflux

3.2: 1 h

With hydrogenchloride; n-butyllithium; caesium carbonate; hydrazine hydrate; 1,1,1,3,3,3-hexamethyl-disilazane; In diethyl ether; ethanol; water; acetone;

Reference yield:

: (Z)-1-cyclopropyl-4,4-difluoro-3-hydroxybut-2-en-1-one

: 1288340-67-9
5-cyclopropyl-3-(difluoromethyl)-1-(2-fluoro-4-nitrophenyl)-1H-pyrazole

: 1288340-66-8
3-cyclopropyl-5-(difluoromethyl)-1-(2-fluoro-4-nitrophenyl)-1H-pyrazole

Guidance literature:: Multi-step reaction with 2 steps

1.1: hydrogenchloride; hydrazine hydrate / ethanol; water / 3 h / Reflux

2.1: caesium carbonate / acetone / 0.5 h / Reflux

2.2: 1 h

With hydrogenchloride; caesium carbonate; hydrazine hydrate; In ethanol; water; acetone;