1-ethyl-6-fluoro-1,4-dihydro-7-[4-{5-(2-oxo-2-(p-bromophenyl)ethylthio)-1,3,4-thiadiazol-2-yl}piperazin-1-yl]-4-oxoquinoline-3-carboxylic acid

Base Information

Chemical Name:1-ethyl-6-fluoro-1,4-dihydro-7-[4-{5-(2-oxo-2-(p-bromophenyl)ethylthio)-1,3,4-thiadiazol-2-yl}piperazin-1-yl]-4-oxoquinoline-3-carboxylic acid
CAS No.:1378026-90-4
Molecular Formula:C₂₆H₂₃BrFN₅O₄S₂
Molecular Weight:632.534
Hs Code.:

Synonyms:1-ethyl-6-fluoro-1,4-dihydro-7-[4-{5-(2-oxo-2-(p-bromophenyl)ethylthio)-1,3,4-thiadiazol-2-yl}piperazin-1-yl]-4-oxoquinoline-3-carboxylic acid

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Chemical Property of 1-ethyl-6-fluoro-1,4-dihydro-7-[4-{5-(2-oxo-2-(p-bromophenyl)ethylthio)-1,3,4-thiadiazol-2-yl}piperazin-1-yl]-4-oxoquinoline-3-carboxylic acid

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Technology Process of 1-ethyl-6-fluoro-1,4-dihydro-7-[4-{5-(2-oxo-2-(p-bromophenyl)ethylthio)-1,3,4-thiadiazol-2-yl}piperazin-1-yl]-4-oxoquinoline-3-carboxylic acid

There total 4 articles about 1-ethyl-6-fluoro-1,4-dihydro-7-[4-{5-(2-oxo-2-(p-bromophenyl)ethylthio)-1,3,4-thiadiazol-2-yl}piperazin-1-yl]-4-oxoquinoline-3-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: 53.0%

: 1378026-96-0
C₁₀H₆BrClN₂OS₂

: 70458-96-7
1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinoline carboxylic acid

: 1378026-90-4
1-ethyl-6-fluoro-1,4-dihydro-7-[4-{5-(2-oxo-2-(p-bromophenyl)ethylthio)-1,3,4-thiadiazol-2-yl}piperazin-1-yl]-4-oxoquinoline-3-carboxylic acid

Guidance literature:: With sodium hydrogencarbonate; In N,N-dimethyl-formamide; at 120 ℃;
DOI:10.1007/s00044-012-0074-2

Reference yield:

: 99-73-0,132309-76-3
para-bromophenacyl bromide

: 1378026-90-4
1-ethyl-6-fluoro-1,4-dihydro-7-[4-{5-(2-oxo-2-(p-bromophenyl)ethylthio)-1,3,4-thiadiazol-2-yl}piperazin-1-yl]-4-oxoquinoline-3-carboxylic acid

Guidance literature:: Multi-step reaction with 3 steps

1: potassium hydroxide / water; ethanol / 4 h / 20 °C

2: sodium nitrite; hydrogenchloride; copper / water / 1 h / 0 - 75 °C

3: sodium hydrogencarbonate / N,N-dimethyl-formamide / 120 °C

With hydrogenchloride; copper; sodium hydrogencarbonate; potassium hydroxide; sodium nitrite; In ethanol; water; N,N-dimethyl-formamide;
DOI:10.1007/s00044-012-0074-2

Reference yield:

: 99-90-1
para-bromoacetophenone

: 1378026-90-4
1-ethyl-6-fluoro-1,4-dihydro-7-[4-{5-(2-oxo-2-(p-bromophenyl)ethylthio)-1,3,4-thiadiazol-2-yl}piperazin-1-yl]-4-oxoquinoline-3-carboxylic acid

Guidance literature:: Multi-step reaction with 4 steps

1: aluminum (III) chloride; bromine

2: potassium hydroxide / water; ethanol / 4 h / 20 °C

3: sodium nitrite; hydrogenchloride; copper / water / 1 h / 0 - 75 °C

4: sodium hydrogencarbonate / N,N-dimethyl-formamide / 120 °C

With hydrogenchloride; aluminum (III) chloride; bromine; copper; sodium hydrogencarbonate; potassium hydroxide; sodium nitrite; In ethanol; water; N,N-dimethyl-formamide;
DOI:10.1007/s00044-012-0074-2