4H-1,4-Benzothiazine, 4-ethyl-3-phenyl-, 1-oxide

Base Information

Chemical Name:4H-1,4-Benzothiazine, 4-ethyl-3-phenyl-, 1-oxide
CAS No.:93681-69-7
Molecular Formula:C16H15NOS
Molecular Weight:269.367
Hs Code.:

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Chemical Property of 4H-1,4-Benzothiazine, 4-ethyl-3-phenyl-, 1-oxide

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Technology Process of 4H-1,4-Benzothiazine, 4-ethyl-3-phenyl-, 1-oxide

There total 5 articles about 4H-1,4-Benzothiazine, 4-ethyl-3-phenyl-, 1-oxide 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: 78.0%

: 93681-59-5
2-(N-ethylbenzamido)phenyl methyl sulphoxide

: 93681-69-7
4-Ethyl-3-phenyl-4H-benzo[1,4]thiazine 1-oxide

Guidance literature:: With lithium diisopropyl amide; In tetrahydrofuran; 1.) -50 deg C, 1 h, 2.) -50 deg C --> room temperature;

Reference yield:

: 51942-32-6
2-(benzoylamino)-1-(methylthio)benzene

: 93681-69-7
4-Ethyl-3-phenyl-4H-benzo[1,4]thiazine 1-oxide

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) KOH / 1.) acetone, reflux, 2.) 2 h

2: 52 percent / H₂O₂, conc. AcOH, H₂SO₄ / 2 h / 60 °C

3: 78 percent / lithium di-isopropylamide / tetrahydrofuran / 1.) -50 deg C, 1 h, 2.) -50 deg C --> room temperature

With potassium hydroxide; sulfuric acid; dihydrogen peroxide; acetic acid; lithium diisopropyl amide; In tetrahydrofuran;

Reference yield:

: 2987-53-3
2-(Methylthio)aniline

: 93681-69-7
4-Ethyl-3-phenyl-4H-benzo[1,4]thiazine 1-oxide

Guidance literature:: Multi-step reaction with 4 steps

1: 64 percent / pyridine / diethyl ether / 4 h / 0 °C

2: 1.) KOH / 1.) acetone, reflux, 2.) 2 h

3: 52 percent / H₂O₂, conc. AcOH, H₂SO₄ / 2 h / 60 °C

4: 78 percent / lithium di-isopropylamide / tetrahydrofuran / 1.) -50 deg C, 1 h, 2.) -50 deg C --> room temperature

With pyridine; potassium hydroxide; sulfuric acid; dihydrogen peroxide; acetic acid; lithium diisopropyl amide; In tetrahydrofuran; diethyl ether;