(4-(2-chloro-4-nitrophenyl)piperazin-1-yl)(5-methyl-3-phenyl-1H-pyrazol-4-yl)methanone

Base Information

Chemical Name:(4-(2-chloro-4-nitrophenyl)piperazin-1-yl)(5-methyl-3-phenyl-1H-pyrazol-4-yl)methanone
CAS No.:1362020-26-5
Molecular Formula:C₂₁H₂₀ClN₅O₃
Molecular Weight:425.875
Hs Code.:

Synonyms:(4-(2-chloro-4-nitrophenyl)piperazin-1-yl)(5-methyl-3-phenyl-1H-pyrazol-4-yl)methanone

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Chemical Property of (4-(2-chloro-4-nitrophenyl)piperazin-1-yl)(5-methyl-3-phenyl-1H-pyrazol-4-yl)methanone

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Technology Process of (4-(2-chloro-4-nitrophenyl)piperazin-1-yl)(5-methyl-3-phenyl-1H-pyrazol-4-yl)methanone

There total 4 articles about (4-(2-chloro-4-nitrophenyl)piperazin-1-yl)(5-methyl-3-phenyl-1H-pyrazol-4-yl)methanone 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: 60.2%

: 54952-71-5
5-methyl-3-phenyl-1H-pyrazole-4-carboxylic acid

: 114878-60-3
1-(2-chloro-4-nitro-phenyl)piperazine

: 1362020-26-5
(4-(2-chloro-4-nitrophenyl)piperazin-1-yl)(5-methyl-3-phenyl-1H-pyrazol-4-yl)methanone

Guidance literature:: With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In dichloromethane; at 20 ℃; for 3h;
DOI:10.1021/jm2013503

Reference yield:

: 569-37-9
ethyl 3-oxo-2-benzoylbutanoate

: 1362020-26-5
(4-(2-chloro-4-nitrophenyl)piperazin-1-yl)(5-methyl-3-phenyl-1H-pyrazol-4-yl)methanone

Guidance literature:: Multi-step reaction with 3 steps

1: hydrazine hydrate / ethanol / 20 °C / Reflux

2: boron tribromide / dichloromethane / 3 h / -10 °C

3: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine / dichloromethane / 3 h / 20 °C

With boron tribromide; benzotriazol-1-ol; hydrazine hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In ethanol; dichloromethane;
DOI:10.1021/jm2013503

Reference yield:

: 98-88-4
benzoyl chloride

: 1362020-26-5
(4-(2-chloro-4-nitrophenyl)piperazin-1-yl)(5-methyl-3-phenyl-1H-pyrazol-4-yl)methanone

Guidance literature:: Multi-step reaction with 4 steps

1.1: sodium hydroxide / Petroleum ether / 0.5 h / 0 °C

1.2: 2 h / 0 - 35 °C

2.1: hydrazine hydrate / ethanol / 20 °C / Reflux

3.1: boron tribromide / dichloromethane / 3 h / -10 °C

4.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine / dichloromethane / 3 h / 20 °C

With boron tribromide; benzotriazol-1-ol; hydrazine hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; sodium hydroxide; In ethanol; dichloromethane; Petroleum ether;
DOI:10.1021/jm2013503