2-(3,4-dimethyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-2(4H)-yl)-N-(4-methylbenzyl)acetamide

Base Information

Chemical Name:2-(3,4-dimethyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-2(4H)-yl)-N-(4-methylbenzyl)acetamide
CAS No.:1378520-59-2
Molecular Formula:C₂₁H₂₂N₄O₃S
Molecular Weight:410.497
Hs Code.:

Synonyms:2-(3,4-dimethyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-2(4H)-yl)-N-(4-methylbenzyl)acetamide

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Chemical Property of 2-(3,4-dimethyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-2(4H)-yl)-N-(4-methylbenzyl)acetamide

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Technology Process of 2-(3,4-dimethyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-2(4H)-yl)-N-(4-methylbenzyl)acetamide

There total 6 articles about 2-(3,4-dimethyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-2(4H)-yl)-N-(4-methylbenzyl)acetamide 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: 67.0%

: 1378520-46-7
3,4-dimethyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-2(4H)-yl acetic acid

: 104-84-7
para-methylbenzylamine

: 1378520-59-2
2-(3,4-dimethyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-2(4H)-yl)-N-(4-methylbenzyl)acetamide

Guidance literature:: 3,4-dimethyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-2(4H)-yl acetic acid; With borane-THF; In tetrahydrofuran; toluene; at 20 ℃; for 0.5h;

para-methylbenzylamine; In tetrahydrofuran; toluene; for 5h; Reflux;
DOI:10.1007/s00044-012-0062-6

Reference yield:

: 106346-00-3
1-(4-hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ⁶-benzo[e][1,2]thiazin-3-yl)-ethanone

: 1378520-59-2
2-(3,4-dimethyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-2(4H)-yl)-N-(4-methylbenzyl)acetamide

Guidance literature:: Multi-step reaction with 3 steps

1.1: hydrazine hydrate / 0.17 h / 65 °C / Microwave irradiation

2.1: potassium carbonate / N,N-dimethyl-formamide / 3 h / Inert atmosphere

3.1: borane-THF / toluene; tetrahydrofuran / 0.5 h / 20 °C

3.2: 5 h / Reflux

With borane-THF; potassium carbonate; hydrazine hydrate; In tetrahydrofuran; N,N-dimethyl-formamide; toluene;
DOI:10.1007/s00044-012-0062-6

Reference yield:

: 51015-24-8
1-(4-hydroxy-1,1-dioxo-1,2-dihydro-1λ⁶-benzo[e][1,2]thiazin-3-yl)-ethanone

: 1378520-59-2
2-(3,4-dimethyl-5,5-dioxidopyrazolo[4,3-c][1,2]benzothiazin-2(4H)-yl)-N-(4-methylbenzyl)acetamide

Guidance literature:: Multi-step reaction with 4 steps

1.1: sodium hydroxide / water; acetone / 20 °C

1.2: 0.58 h

2.1: hydrazine hydrate / 0.17 h / 65 °C / Microwave irradiation

3.1: potassium carbonate / N,N-dimethyl-formamide / 3 h / Inert atmosphere

4.1: borane-THF / toluene; tetrahydrofuran / 0.5 h / 20 °C

4.2: 5 h / Reflux

With borane-THF; potassium carbonate; hydrazine hydrate; sodium hydroxide; In tetrahydrofuran; water; N,N-dimethyl-formamide; acetone; toluene;
DOI:10.1007/s00044-012-0062-6