2-[5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]-1,3-benzothiazole-6-sulfonamide

Base Information

Chemical Name:2-[5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]-1,3-benzothiazole-6-sulfonamide
CAS No.:1353056-04-8
Molecular Formula:C₁₇H₁₀BrF₃N₄O₂S₂
Molecular Weight:503.323
Hs Code.:

Synonyms:2-[5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]-1,3-benzothiazole-6-sulfonamide

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Chemical Property of 2-[5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]-1,3-benzothiazole-6-sulfonamide

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Technology Process of 2-[5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]-1,3-benzothiazole-6-sulfonamide

There total 4 articles about 2-[5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]-1,3-benzothiazole-6-sulfonamide 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: 65.0%

: 18931-61-8
4,4,4-trifluoro-1-(4-bromophenyl)butane-1,3-dione

: 1353056-08-2
2-hydrazinobenzothiazole-6-sulfonic acid amide

: 1353056-04-8
2-[5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]-1,3-benzothiazole-6-sulfonamide

Guidance literature:: 4,4,4-trifluoro-1-(4-bromophenyl)butane-1,3-dione; 2-hydrazinobenzothiazole-6-sulfonic acid amide; With hydrogenchloride; In water; N,N-dimethyl-formamide; at 50 ℃; for 3h;

With sulfuric acid; In water; N,N-dimethyl-formamide; at 90 ℃; for 6h; regioselective reaction;
DOI:10.1007/s00044-011-9898-4

Reference yield:

: 18101-58-1
2-amino-benzothiazole-6-sulfonic acid amide

: 1353056-04-8
2-[5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]-1,3-benzothiazole-6-sulfonamide

Guidance literature:: Multi-step reaction with 2 steps

1.1: hydrogenchloride; hydrazine hydrate / water / 4 h / Reflux

2.1: hydrogenchloride / water; N,N-dimethyl-formamide / 3 h / 50 °C

2.2: 6 h / 90 °C

With hydrogenchloride; hydrazine hydrate; In water; N,N-dimethyl-formamide;
DOI:10.1007/s00044-011-9898-4

Reference yield:

: 63-74-1
sulfanilamide

: 1353056-04-8
2-[5-(4-bromophenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]-1,3-benzothiazole-6-sulfonamide

Guidance literature:: Multi-step reaction with 4 steps

1.1: hydrogenchloride / water / 3 h / Heating

2.1: bromine / chloroform / 0.25 h / Reflux

3.1: hydrogenchloride; hydrazine hydrate / water / 4 h / Reflux

4.1: hydrogenchloride / water; N,N-dimethyl-formamide / 3 h / 50 °C

4.2: 6 h / 90 °C

With hydrogenchloride; hydrazine hydrate; bromine; In chloroform; water; N,N-dimethyl-formamide;
DOI:10.1007/s00044-011-9898-4