2-[2-(3-nitrobenzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid

Base Information

• Chemical Name: 2-[2-(3-nitrobenzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid
• CAS No.: 1349171-22-7
• Molecular Formula: C₁₇H₁₄N₂O₆S
• Molecular Weight: 374.374
• Mol file: 1349171-22-7.mol

Synonyms:2-[2-(3-nitrobenzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid

Chemical Property of 2-[2-(3-nitrobenzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-[2-(3-nitrobenzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid

There total 8 articles about 2-[2-(3-nitrobenzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid 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%

2-[2-(3-nitrobenzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid methyl ester (1349171-09-0) → 2-[2-(3-nitrobenzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid (1349171-22-7)

Guidance literature:

2-[2-(3-nitrobenzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid methyl ester; With water; sodium hydroxide; In 1,4-dioxane; at 20 ℃; for 12h;

With hydrogenchloride; In 1,4-dioxane; water;

DOI:10.1016/j.bmc.2011.07.051

Reference yield:

2,3-dihydro-spiro[benzo[e][1,2]thiazine-4,2'-[1,3]dioxolane] 1,1-dioxide (5510-31-6) → 2-[2-(3-nitrobenzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid (1349171-22-7)

Guidance literature:

Multi-step reaction with 4 steps

1: potassium carbonate / acetonitrile / 2 h / 70 °C

2: hydrogenchloride; water / tetrahydrofuran / 6 h / 80 °C

3: toluene / 2 h / 100 °C

4: water; sodium hydroxide / 1,4-dioxane / 12 h / 20 °C

With hydrogenchloride; water; potassium carbonate; sodium hydroxide; In tetrahydrofuran; 1,4-dioxane; toluene; acetonitrile;

DOI:10.1016/j.bmc.2011.07.051

Reference yield:

2-(3-nitrobenzyl)-2H-1,2-benzothiazin-4(3H)-one 1,1-dioxide (1349171-02-3) → 2-[2-(3-nitrobenzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid (1349171-22-7)

Guidance literature:

Multi-step reaction with 2 steps

1: toluene / 2 h / 100 °C

2: water; sodium hydroxide / 1,4-dioxane / 12 h / 20 °C

With water; sodium hydroxide; In 1,4-dioxane; toluene;

DOI:10.1016/j.bmc.2011.07.051

upstream raw materials:

2,3-dihydro-spiro[benzo[e][1,2]thiazine-4,2'-[1,3]dioxolane] 1,1-dioxide

2-(3-nitrobenzyl)-2H-1,2-benzothiazin-4(3H)-one 1,1-dioxide

2-[2-(3-nitrobenzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid methyl ester

methyl 3-oxo-2,3-dihydrobenzo[d][1,2]thiazol-2-acetate 1,1-dioxide