1-[4-(aminosulfonyl)phenyl]-3-(4-bromophenyl)-1H-pyrazole-4-carboxylic acid

Base Information

Chemical Name:1-[4-(aminosulfonyl)phenyl]-3-(4-bromophenyl)-1H-pyrazole-4-carboxylic acid
CAS No.:1293980-88-7
Molecular Formula:C₁₆H₁₂BrN₃O₄S
Molecular Weight:422.259
Hs Code.:

Synonyms:1-[4-(aminosulfonyl)phenyl]-3-(4-bromophenyl)-1H-pyrazole-4-carboxylic acid

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Chemical Property of 1-[4-(aminosulfonyl)phenyl]-3-(4-bromophenyl)-1H-pyrazole-4-carboxylic acid

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Technology Process of 1-[4-(aminosulfonyl)phenyl]-3-(4-bromophenyl)-1H-pyrazole-4-carboxylic acid

There total 5 articles about 1-[4-(aminosulfonyl)phenyl]-3-(4-bromophenyl)-1H-pyrazole-4-carboxylic acid 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: 63.0%

: 1135953-01-3
4-(3-(4-bromophenyl)-4-formyl-1H-pyrazol-1yl)benzenesulfonamide

: 1293980-88-7
1-[4-(aminosulfonyl)phenyl]-3-(4-bromophenyl)-1H-pyrazole-4-carboxylic acid

Guidance literature:: 4-(3-(4-bromophenyl)-4-formyl-1H-pyrazol-1yl)benzenesulfonamide; With pyridine; potassium permanganate; In water; at 20 ℃;

With sodium hydroxide; In water; for 0.5h;

With hydrogenchloride; In water;
DOI:10.1016/j.ejmech.2011.01.060

Reference yield:

: 911003-87-7
C₁₄H₁₄BrN₃O₂S

: 1293980-88-7
1-[4-(aminosulfonyl)phenyl]-3-(4-bromophenyl)-1H-pyrazole-4-carboxylic acid

Guidance literature:: Multi-step reaction with 3 steps

1.1: trichlorophosphate / 5 h / 55 - 60 °C

2.1: methanol; sodium hydroxide / tetrahydrofuran / 14 h / 20 °C

2.2: Cooling

3.1: pyridine; potassium permanganate / water / 20 °C

3.2: 0.5 h

With pyridine; methanol; potassium permanganate; sodium hydroxide; trichlorophosphate; In tetrahydrofuran; water;
DOI:10.1016/j.ejmech.2011.01.060

Reference yield:

: 1135952-96-3
C₁₉H₁₇BrN₄O₃S

: 1293980-88-7
1-[4-(aminosulfonyl)phenyl]-3-(4-bromophenyl)-1H-pyrazole-4-carboxylic acid

Guidance literature:: Multi-step reaction with 2 steps

1.1: methanol; sodium hydroxide / tetrahydrofuran / 14 h / 20 °C

1.2: Cooling

2.1: pyridine; potassium permanganate / water / 20 °C

2.2: 0.5 h

With pyridine; methanol; potassium permanganate; sodium hydroxide; In tetrahydrofuran; water;
DOI:10.1016/j.ejmech.2011.01.060