3-(4-bromophenyl)-5-(4-chlorophenyl)-1-(2,4-dinitrophenyl)-1H-pyrazole

Base Information

Chemical Name:3-(4-bromophenyl)-5-(4-chlorophenyl)-1-(2,4-dinitrophenyl)-1H-pyrazole
CAS No.:1365693-30-6
Molecular Formula:C₂₁H₁₂BrClN₄O₄
Molecular Weight:499.708
Hs Code.:

Synonyms:3-(4-bromophenyl)-5-(4-chlorophenyl)-1-(2,4-dinitrophenyl)-1H-pyrazole

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Chemical Property of 3-(4-bromophenyl)-5-(4-chlorophenyl)-1-(2,4-dinitrophenyl)-1H-pyrazole

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Technology Process of 3-(4-bromophenyl)-5-(4-chlorophenyl)-1-(2,4-dinitrophenyl)-1H-pyrazole

There total 4 articles about 3-(4-bromophenyl)-5-(4-chlorophenyl)-1-(2,4-dinitrophenyl)-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: 75.0%

: 1380821-00-0
C₂₁H₁₄BrClN₄O₄

: 1365693-30-6
3-(4-bromophenyl)-5-(4-chlorophenyl)-1-(2,4-dinitrophenyl)-1H-pyrazole

Guidance literature:: With 2,3-dicyano-5,6-dichloro-p-benzoquinone; In dichloromethane; at 20 ℃; for 2h; regioselective reaction;
DOI:10.1080/00397911.2010.531492

Reference yield: 66.0%

: C₂₁H₁₄BrClN₄O₄

: 1365693-30-6
3-(4-bromophenyl)-5-(4-chlorophenyl)-1-(2,4-dinitrophenyl)-1H-pyrazole

Guidance literature:: With silica supported molybdic acid; In neat (no solvent); at 120 ℃; for 1.5h; regioselective reaction; Green chemistry;
DOI:10.1007/s00044-018-2282-x

Reference yield:

: 126443-16-1
(E)-1-(4-bromophenyl)-3-(4-chlorophenyl)-prop-2-en-1-one

: 119-26-6
(2,4-dinitro-phenyl)-hydrazine

: 1365693-30-6
3-(4-bromophenyl)-5-(4-chlorophenyl)-1-(2,4-dinitrophenyl)-1H-pyrazole

Guidance literature:: Multi-step reaction with 2 steps

1: sulfuric acid / methanol / 0.17 h / 50 - 60 °C

2: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane / 2 h / 20 °C

With sulfuric acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In methanol; dichloromethane;
DOI:10.1080/00397911.2010.531492