4-[3-(4-chlorophenyl)-4-methyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-1(4H)-yl]benzenesulfonamide

Base Information

Chemical Name:4-[3-(4-chlorophenyl)-4-methyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-1(4H)-yl]benzenesulfonamide
CAS No.:1369377-41-2
Molecular Formula:C₂₂H₁₇ClN₄O₄S₂
Molecular Weight:500.986
Hs Code.:

Synonyms:4-[3-(4-chlorophenyl)-4-methyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-1(4H)-yl]benzenesulfonamide

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Chemical Property of 4-[3-(4-chlorophenyl)-4-methyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-1(4H)-yl]benzenesulfonamide

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Technology Process of 4-[3-(4-chlorophenyl)-4-methyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-1(4H)-yl]benzenesulfonamide

There total 5 articles about 4-[3-(4-chlorophenyl)-4-methyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-1(4H)-yl]benzenesulfonamide 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: 83.0%

: 1369377-32-1
4-[3-(4-chlorophenyl)-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-1(4H)-yl]benzenesulfonamide

: 74-88-4
methyl iodide

: 1369377-41-2
4-[3-(4-chlorophenyl)-4-methyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-1(4H)-yl]benzenesulfonamide

Guidance literature:: 4-[3-(4-chlorophenyl)-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-1(4H)-yl]benzenesulfonamide; With potassium carbonate; In N,N-dimethyl-formamide; at 0 ℃; for 1h;

methyl iodide; In N,N-dimethyl-formamide; at 20 ℃;
DOI:10.1021/jm201446h

Reference yield:

: 1369377-26-3
(4-chlorophenyl)(4-hydroxy-1,1-dioxido-2H-1,2-benzothiazin-3-yl)methanone

: 1369377-41-2
4-[3-(4-chlorophenyl)-4-methyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-1(4H)-yl]benzenesulfonamide

Guidance literature:: Multi-step reaction with 2 steps

1.1: sulfuric acid / ethanol / Reflux

2.1: potassium carbonate / N,N-dimethyl-formamide / 1 h / 0 °C

2.2: 20 °C

With sulfuric acid; potassium carbonate; In ethanol; N,N-dimethyl-formamide;
DOI:10.1021/jm201446h

Reference yield:

: 41335-62-0
2-[2-(4-chlorophenyl)-2-oxoethyl]-1,2-benzisothiazol-3(2H)-one 1,1-dioxide

: 1369377-41-2
4-[3-(4-chlorophenyl)-4-methyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-1(4H)-yl]benzenesulfonamide

Guidance literature:: Multi-step reaction with 3 steps

1.1: ethanol; sodium ethanolate / 3 h / 60 °C

2.1: sulfuric acid / ethanol / Reflux

3.1: potassium carbonate / N,N-dimethyl-formamide / 1 h / 0 °C

3.2: 20 °C

With ethanol; sulfuric acid; sodium ethanolate; potassium carbonate; In ethanol; N,N-dimethyl-formamide;
DOI:10.1021/jm201446h