2-[2-(3,5-bis(trifluoromethyl)benzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid

Base Information

Chemical Name:2-[2-(3,5-bis(trifluoromethyl)benzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid
CAS No.:1349171-20-5
Molecular Formula:C₁₉H₁₃F₆NO₄S
Molecular Weight:465.373
Hs Code.:

Synonyms:2-[2-(3,5-bis(trifluoromethyl)benzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid

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Chemical Property of 2-[2-(3,5-bis(trifluoromethyl)benzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid

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Technology Process of 2-[2-(3,5-bis(trifluoromethyl)benzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid

There total 8 articles about 2-[2-(3,5-bis(trifluoromethyl)benzyl)-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: 82.0%

: 1349171-04-5
2-[2-(3,5-bis(trifluoromethyl)benzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid methyl ester

: 1349171-20-5
2-[2-(3,5-bis(trifluoromethyl)benzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid

Guidance literature:: 2-[2-(3,5-bis(trifluoromethyl)benzyl)-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:

: 5510-31-6
2,3-dihydro-spiro[benzo[e][1,2]thiazine-4,2'-[1,3]dioxolane] 1,1-dioxide

: 1349171-20-5
2-[2-(3,5-bis(trifluoromethyl)benzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid

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:

: C₁₉H₁₅F₆NO₄S

: 1349171-20-5
2-[2-(3,5-bis(trifluoromethyl)benzyl)-1,1-dioxido-2H-1,2-benzothiazin-4(3H)-ylidene]acetic acid

Guidance literature:: Multi-step reaction with 3 steps

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

2: toluene / 2 h / 100 °C

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

With hydrogenchloride; water; sodium hydroxide; In tetrahydrofuran; 1,4-dioxane; toluene;
DOI:10.1016/j.bmc.2011.07.051