(Z)-2-(3-fluorobenzylidene)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic acid

Base Information

Chemical Name:(Z)-2-(3-fluorobenzylidene)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic acid
CAS No.:1392139-29-5
Molecular Formula:C₁₆H₁₀FNO₃S
Molecular Weight:315.325
Hs Code.:

Synonyms:(Z)-2-(3-fluorobenzylidene)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic acid

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Chemical Property of (Z)-2-(3-fluorobenzylidene)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic acid

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Technology Process of (Z)-2-(3-fluorobenzylidene)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic acid

There total 3 articles about (Z)-2-(3-fluorobenzylidene)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic 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: 56.0%

: 272437-84-0
3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic acid

: 456-48-4
3-Fluorobenzaldehyde

: 1392139-29-5
(Z)-2-(3-fluorobenzylidene)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic acid

Guidance literature:: With acetic anhydride; triethylamine; at 145 ℃; for 15h;
DOI:10.1021/jm300833h

Reference yield:

: 453-71-4
3-nitro-4-fluorobenzoic acid

: 1392139-29-5
(Z)-2-(3-fluorobenzylidene)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic acid

Guidance literature:: Multi-step reaction with 3 steps

1: sodium acetate / water / 24 h / 90 °C / Inert atmosphere

2: iron; acetic acid / 2.5 h / 80 - 92 °C / Inert atmosphere

3: acetic anhydride; triethylamine / 15 h / 145 °C

With sodium acetate; acetic anhydride; iron; acetic acid; triethylamine; In water;
DOI:10.1021/jm300833h

Reference yield:

: 204863-51-4
4-ethoxycarbonylmethylsulfanyl-3-nitrobenzoic acid

: 1392139-29-5
(Z)-2-(3-fluorobenzylidene)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic acid

Guidance literature:: Multi-step reaction with 2 steps

1: iron; acetic acid / 2.5 h / 80 - 92 °C / Inert atmosphere

2: acetic anhydride; triethylamine / 15 h / 145 °C

With acetic anhydride; iron; acetic acid; triethylamine;
DOI:10.1021/jm300833h