1-(2-bromo-4,6-difluorophenyl)-5-(4,5-methylenedioxy-2-nitrophenyl)pyrazole

Base Information

Chemical Name:1-(2-bromo-4,6-difluorophenyl)-5-(4,5-methylenedioxy-2-nitrophenyl)pyrazole
CAS No.:1293935-95-1
Molecular Formula:C₁₆H₈BrF₂N₃O₄
Molecular Weight:424.158
Hs Code.:

Synonyms:1-(2-bromo-4,6-difluorophenyl)-5-(4,5-methylenedioxy-2-nitrophenyl)pyrazole

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Chemical Property of 1-(2-bromo-4,6-difluorophenyl)-5-(4,5-methylenedioxy-2-nitrophenyl)pyrazole

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Technology Process of 1-(2-bromo-4,6-difluorophenyl)-5-(4,5-methylenedioxy-2-nitrophenyl)pyrazole

There total 3 articles about 1-(2-bromo-4,6-difluorophenyl)-5-(4,5-methylenedioxy-2-nitrophenyl)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: 88.0%

: 844887-98-5
(E)-3-(N,N-dimethylamino)-1-(4,5-methylenedioxy-2-nitrophenyl)-2-propen-1-one

: 1245010-72-3
2-bromo-4,6-difluorophenylhydrazine hydrochloride

: 1293935-95-1
1-(2-bromo-4,6-difluorophenyl)-5-(4,5-methylenedioxy-2-nitrophenyl)pyrazole

Guidance literature:: In methanol; water; at 135 ℃; for 2h; regioselective reaction; Reflux;
DOI:10.1039/c0ob00812e

Reference yield:

: 444-14-4
2-bromo-4,6-difluoroaniline

: 1293935-95-1
1-(2-bromo-4,6-difluorophenyl)-5-(4,5-methylenedioxy-2-nitrophenyl)pyrazole

Guidance literature:: Multi-step reaction with 2 steps

1: hydrogenchloride; tin(ll) chloride; sodium nitrite / water / 24 h / 20 °C

2: methanol; water / 2 h / 135 °C / Reflux

With hydrogenchloride; tin(ll) chloride; sodium nitrite; In methanol; water;
DOI:10.1039/c0ob00812e

Reference yield:

: 56136-84-6
methyl 3,4-(methylenedioxy)-6-nitrophenyl ketone

: 1293935-95-1
1-(2-bromo-4,6-difluorophenyl)-5-(4,5-methylenedioxy-2-nitrophenyl)pyrazole

Guidance literature:: Multi-step reaction with 2 steps

1: toluene / 110 °C / Inert atmosphere

2: methanol; water / 2 h / 135 °C / Reflux

In methanol; water; toluene;
DOI:10.1039/c0ob00812e