4-bromo-2-(3-methyl-1-((4-nitrophenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)phenol

Base Information

Chemical Name:4-bromo-2-(3-methyl-1-((4-nitrophenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)phenol
CAS No.:1620753-62-9
Molecular Formula:C₁₆H₁₄BrN₃O₅S
Molecular Weight:440.274
Hs Code.:

Synonyms:4-bromo-2-(3-methyl-1-((4-nitrophenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)phenol

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Chemical Property of 4-bromo-2-(3-methyl-1-((4-nitrophenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)phenol

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Technology Process of 4-bromo-2-(3-methyl-1-((4-nitrophenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)phenol

There total 3 articles about 4-bromo-2-(3-methyl-1-((4-nitrophenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)phenol 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: 80.0%

: 1620753-59-4
4-bromo-2-(3-methyl-4,5-dihydro-1H-pyrazol-5-yl)phenol

: 98-74-8
4-Nitrobenzenesulfonyl chloride

: 1620753-62-9
4-bromo-2-(3-methyl-1-((4-nitrophenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)phenol

Guidance literature:: With dmap; In chloroform; at 10 ℃; for 3h;

Reference yield:

: 1761-61-1
5-bromosalicyclaldehyde

: 1620753-62-9
4-bromo-2-(3-methyl-1-((4-nitrophenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)phenol

Guidance literature:: Multi-step reaction with 3 steps

1: sodium ethanolate / 12 h / 20 - 30 °C

2: hydrazine hydrate / ethanol / 1 h / Reflux

3: dmap / chloroform / 3 h / 10 °C

With dmap; sodium ethanolate; hydrazine hydrate; In ethanol; chloroform;

Reference yield:

: 40469-00-9
4-(5-bromo-2-hydroxyphenyl)-3-buten-2-one

: 1620753-62-9
4-bromo-2-(3-methyl-1-((4-nitrophenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)phenol

Guidance literature:: Multi-step reaction with 2 steps

1: hydrazine hydrate / ethanol / 1 h / Reflux

2: dmap / chloroform / 3 h / 10 °C

With dmap; hydrazine hydrate; In ethanol; chloroform;