1,2,3,4-tetrahydro-4-methyl-3-phenylpyrazolo<4,3-c>-<1,2>-benzothiazine 5,5-dioxide

Base Information

Chemical Name:1,2,3,4-tetrahydro-4-methyl-3-phenylpyrazolo<4,3-c>-<1,2>-benzothiazine 5,5-dioxide
CAS No.:106346-08-1
Molecular Formula:C₁₆H₁₅N₃O₂S
Molecular Weight:313.38
Hs Code.:

Synonyms:1,2,3,4-tetrahydro-4-methyl-3-phenylpyrazolo<4,3-c>-<1,2>-benzothiazine 5,5-dioxide

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Chemical Property of 1,2,3,4-tetrahydro-4-methyl-3-phenylpyrazolo<4,3-c>-<1,2>-benzothiazine 5,5-dioxide

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Technology Process of 1,2,3,4-tetrahydro-4-methyl-3-phenylpyrazolo<4,3-c>-<1,2>-benzothiazine 5,5-dioxide

There total 4 articles about 1,2,3,4-tetrahydro-4-methyl-3-phenylpyrazolo<4,3-c>-<1,2>-benzothiazine 5,5-dioxide 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: 90.0%

: 106346-07-0
1,2,3,3a,4,9b-hexahydro-4-methyl-3-phenylpyrazolo<4,3-c>-<1,2>benzothiazin-9b-ol 5,5-dioxide

: 106346-08-1
1,2,3,4-tetrahydro-4-methyl-3-phenylpyrazolo<4,3-c>-<1,2>-benzothiazine 5,5-dioxide

Guidance literature:: With sodium hydroxide; In 1,4-dioxane; for 12h; Ambient temperature;

Reference yield:

: 1834-57-7
3-benzoyl-2,3-dihydro-2-methyl-1,2-benzothiazin-4-one 1,1-dioxide

: 106346-08-1
1,2,3,4-tetrahydro-4-methyl-3-phenylpyrazolo<4,3-c>-<1,2>-benzothiazine 5,5-dioxide

Guidance literature:: Multi-step reaction with 5 steps

1: 80 percent / potassium carbonate, tetrabutylammonium bromide / toluene / 24 h / 110 °C

2: 90 percent / sodium borohydride / ethanol / 16 h / 50 °C

3: 95 percent / 10percent aqueous sulphuric acid / tetrahydrofuran / 3 h / 65 °C

4: 95 percent / hydrazine hydrate / ethanol / 2 h / Ambient temperature

5: 90 percent / 0.5M NaOH / dioxane / 12 h / Ambient temperature

With sodium hydroxide; sodium tetrahydroborate; sulfuric acid; tetrabutylammomium bromide; potassium carbonate; hydrazine hydrate; In tetrahydrofuran; 1,4-dioxane; ethanol; toluene;

Reference yield:

: 106346-01-4
3-benzoyl-4-benzyloxy-2-methyl-2H-1,2-benzothiazine 1,1-dioxide

: 106346-08-1
1,2,3,4-tetrahydro-4-methyl-3-phenylpyrazolo<4,3-c>-<1,2>-benzothiazine 5,5-dioxide

Guidance literature:: Multi-step reaction with 4 steps

1: 90 percent / sodium borohydride / ethanol / 16 h / 50 °C

2: 95 percent / 10percent aqueous sulphuric acid / tetrahydrofuran / 3 h / 65 °C

3: 95 percent / hydrazine hydrate / ethanol / 2 h / Ambient temperature

4: 90 percent / 0.5M NaOH / dioxane / 12 h / Ambient temperature

With sodium hydroxide; sodium tetrahydroborate; sulfuric acid; hydrazine hydrate; In tetrahydrofuran; 1,4-dioxane; ethanol;