4-[3-(5-amino-[1,3,4]oxadiazol-2-yl)-5-(4-chloro-phenyl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide

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Chemical Name:4-[3-(5-amino-[1,3,4]oxadiazol-2-yl)-5-(4-chloro-phenyl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide
CAS No.:1345041-91-9
Molecular Formula:C₁₇H₁₅ClN₆O₃S
Molecular Weight:418.864
Hs Code.:

Synonyms:4-[3-(5-amino-[1,3,4]oxadiazol-2-yl)-5-(4-chloro-phenyl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide

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Chemical Property of 4-[3-(5-amino-[1,3,4]oxadiazol-2-yl)-5-(4-chloro-phenyl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide

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Technology Process of 4-[3-(5-amino-[1,3,4]oxadiazol-2-yl)-5-(4-chloro-phenyl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide

There total 5 articles about 4-[3-(5-amino-[1,3,4]oxadiazol-2-yl)-5-(4-chloro-phenyl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide 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: 74.0%

: cyanogen bromide

: 1345041-78-2
4-[5-(4-chlorophenyl)-3-hydrazinocarbonyl-4,5-dihydro-pyrazol-1-yl]-benzenesulfonamide

: 1345041-91-9
4-[3-(5-amino-[1,3,4]oxadiazol-2-yl)-5-(4-chloro-phenyl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide

Guidance literature:: With sodium carbonate; In 1,4-dioxane; water; at 25 - 30 ℃; for 3.08333h;
DOI:10.1016/j.bmcl.2011.08.061

Reference yield:

: 133678-11-2
ethyl 2-oxo-4-(p-chlorophenyl)but-3-enoate

: 1345041-91-9
4-[3-(5-amino-[1,3,4]oxadiazol-2-yl)-5-(4-chloro-phenyl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide

Guidance literature:: Multi-step reaction with 3 steps

1.1: ethanol / 2 h / 25 - 30 °C / Inert atmosphere

1.2: 10 h / Inert atmosphere; Reflux

2.1: hydrazine hydrate / ethanol / 4 h / Reflux

3.1: sodium carbonate / 1,4-dioxane; water / 3.08 h / 25 - 30 °C

With sodium carbonate; hydrazine hydrate; In 1,4-dioxane; ethanol; water;
DOI:10.1016/j.bmcl.2011.08.061

Reference yield:

: 1000400-63-4
potassium 4-(4-chlorophenyl)-2-oxobut-3-enoate

: 1345041-91-9
4-[3-(5-amino-[1,3,4]oxadiazol-2-yl)-5-(4-chloro-phenyl)-4,5-dihydro-pyrazol-1-yl]benzenesulfonamide

Guidance literature:: Multi-step reaction with 4 steps

1.1: thionyl chloride / 0 °C / Reflux

2.1: ethanol / 2 h / 25 - 30 °C / Inert atmosphere

2.2: 10 h / Inert atmosphere; Reflux

3.1: hydrazine hydrate / ethanol / 4 h / Reflux

4.1: sodium carbonate / 1,4-dioxane; water / 3.08 h / 25 - 30 °C

With thionyl chloride; sodium carbonate; hydrazine hydrate; In 1,4-dioxane; ethanol; water;
DOI:10.1016/j.bmcl.2011.08.061