2-(3-benzoyl-4-hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-2-yl)-N-(m-tolyl)acetamide

Base Information

Chemical Name:2-(3-benzoyl-4-hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-2-yl)-N-(m-tolyl)acetamide
CAS No.:1310459-60-9
Molecular Formula:C₂₄H₂₀N₂O₅S
Molecular Weight:448.499
Hs Code.:

Synonyms:2-(3-benzoyl-4-hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-2-yl)-N-(m-tolyl)acetamide

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Chemical Property of 2-(3-benzoyl-4-hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-2-yl)-N-(m-tolyl)acetamide

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Technology Process of 2-(3-benzoyl-4-hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-2-yl)-N-(m-tolyl)acetamide

There total 8 articles about 2-(3-benzoyl-4-hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-2-yl)-N-(m-tolyl)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: 78.0%

: 61018-80-2
(4-hydroxy-1,1-dioxo-1,2-dihydro-1λ⁶-benzo[e][1,2]thiazin-3-yl)-phenyl-methanone

: 5439-17-8
2-bromo-N-(3-methylphenyl)acetamide

: 1310459-60-9
2-(3-benzoyl-4-hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-2-yl)-N-(m-tolyl)acetamide

Guidance literature:: With potassium carbonate; In N,N-dimethyl-formamide; at 80 - 100 ℃;
DOI:10.3390/molecules26103043

Reference yield:

: 15246-95-4
1,1-dioxo-2-(2-oxo-2-phenyl-ethyl)-1,2-dihydro-1λ⁶-benzo[d]isothiazol-3-one

: 1310459-60-9
2-(3-benzoyl-4-hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-2-yl)-N-(m-tolyl)acetamide

Guidance literature:: Multi-step reaction with 4 steps

1.1: ethanol; sodium / 3 h / 40 - 55 °C

1.2: 25 - 35 °C

2.1: sodium hydroxide / ethanol; water / 12 h / 20 °C

3.1: lithium hydroxide / tetrahydrofuran; methanol; water / 5 h

3.2: pH 3 / Cooling with ice

4.1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 5 h / 20 °C

With dmap; ethanol; sodium; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; sodium hydroxide; lithium hydroxide; In tetrahydrofuran; methanol; ethanol; dichloromethane; water;
DOI:10.1248/cpb.59.46

Reference yield:

: 70-11-1
α-bromoacetophenone

: 1310459-60-9
2-(3-benzoyl-4-hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-2-yl)-N-(m-tolyl)acetamide

Guidance literature:: Multi-step reaction with 5 steps

1.1: N,N-dimethyl-formamide / 4 h / 100 °C

2.1: ethanol; sodium / 3 h / 40 - 55 °C

2.2: 25 - 35 °C

3.1: sodium hydroxide / ethanol; water / 12 h / 20 °C

4.1: lithium hydroxide / tetrahydrofuran; methanol; water / 5 h

4.2: pH 3 / Cooling with ice

5.1: dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 5 h / 20 °C

With dmap; ethanol; sodium; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; sodium hydroxide; lithium hydroxide; In tetrahydrofuran; methanol; ethanol; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1248/cpb.59.46