1-[(4-bromo-3-methyl-benzene)sulfonyl]-4-[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]piperazine

Base Information

Chemical Name:1-[(4-bromo-3-methyl-benzene)sulfonyl]-4-[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]piperazine
CAS No.:1448334-85-7
Molecular Formula:C₂₀H₂₁BrN₄O₄S
Molecular Weight:493.381
Hs Code.:

Synonyms:1-[(4-bromo-3-methyl-benzene)sulfonyl]-4-[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]piperazine

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Chemical Property of 1-[(4-bromo-3-methyl-benzene)sulfonyl]-4-[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]piperazine

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Technology Process of 1-[(4-bromo-3-methyl-benzene)sulfonyl]-4-[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]piperazine

There total 7 articles about 1-[(4-bromo-3-methyl-benzene)sulfonyl]-4-[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]piperazine 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%

: 1-[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]piperazine hydrochloride

: 72256-93-0
4-bromo-3-methylbenzenesulfonyl chloride

: 1448334-85-7
1-[(4-bromo-3-methyl-benzene)sulfonyl]-4-[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]piperazine

Guidance literature:: With triethylamine; In dichloromethane; at 5 - 20 ℃;
DOI:10.1016/j.ejmech.2013.04.054

Reference yield:

: 94-30-4
ethyl 4-methoxybenzoate

: 1448334-85-7
1-[(4-bromo-3-methyl-benzene)sulfonyl]-4-[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]piperazine

Guidance literature:: Multi-step reaction with 6 steps

1.1: hydrazine hydrate / ethanol / 3 h / 0 °C

2.1: 12 h / 100 - 110 °C

3.1: n-butyllithium / hexane; tetrahydrofuran / 2 h / -70 - -65 °C / Inert atmosphere

3.2: 1 h / -70 - -65 °C

4.1: potassium carbonate / N,N-dimethyl-formamide / 10 h / 20 °C

5.1: 1,4-dioxane; hydrogenchloride / water / 10 h / 0 - 50 °C

6.1: triethylamine / dichloromethane / 5 - 20 °C

With 1,4-dioxane; hydrogenchloride; n-butyllithium; potassium carbonate; hydrazine hydrate; triethylamine; In tetrahydrofuran; ethanol; hexane; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1016/j.ejmech.2013.04.054

Reference yield:

: 100-09-4
4-methoxybenzoic acid

: 1448334-85-7
1-[(4-bromo-3-methyl-benzene)sulfonyl]-4-[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]piperazine

Guidance literature:: Multi-step reaction with 7 steps

1.1: thionyl chloride / 5 h / 0 °C / Reflux

2.1: hydrazine hydrate / ethanol / 3 h / 0 °C

3.1: 12 h / 100 - 110 °C

4.1: n-butyllithium / hexane; tetrahydrofuran / 2 h / -70 - -65 °C / Inert atmosphere

4.2: 1 h / -70 - -65 °C

5.1: potassium carbonate / N,N-dimethyl-formamide / 10 h / 20 °C

6.1: 1,4-dioxane; hydrogenchloride / water / 10 h / 0 - 50 °C

7.1: triethylamine / dichloromethane / 5 - 20 °C

With 1,4-dioxane; hydrogenchloride; n-butyllithium; thionyl chloride; potassium carbonate; hydrazine hydrate; triethylamine; In tetrahydrofuran; ethanol; hexane; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1016/j.ejmech.2013.04.054