ethyl 2-(4-oxo-4,5-dihydrothiazol-2-yl)-3-phenyl-4-(p-tolylhydrazono)-2-butenoate

Base Information

• Chemical Name: ethyl 2-(4-oxo-4,5-dihydrothiazol-2-yl)-3-phenyl-4-(p-tolylhydrazono)-2-butenoate
• CAS No.: 1173174-34-9
• Molecular Formula: C₂₂H₂₁N₃O₃S
• Molecular Weight: 407.493

Synonyms:ethyl 2-(4-oxo-4,5-dihydrothiazol-2-yl)-3-phenyl-4-(p-tolylhydrazono)-2-butenoate

Chemical Property of ethyl 2-(4-oxo-4,5-dihydrothiazol-2-yl)-3-phenyl-4-(p-tolylhydrazono)-2-butenoate

Chemical Property:

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Technology Process of ethyl 2-(4-oxo-4,5-dihydrothiazol-2-yl)-3-phenyl-4-(p-tolylhydrazono)-2-butenoate

There total 1 articles about ethyl 2-(4-oxo-4,5-dihydrothiazol-2-yl)-3-phenyl-4-(p-tolylhydrazono)-2-butenoate 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: 76.0%

ethyl 2-(4,5-dihydro-4-oxothiazol-2-yl)-3-phenyl-2-butenoate (1173174-25-8) + p-toluidine (106-49-0,12221-03-3) → ethyl 2-(4-oxo-4,5-dihydrothiazol-2-yl)-3-phenyl-4-(p-tolylhydrazono)-2-butenoate (1173174-34-9)

Guidance literature:

p-toluidine; With hydrogenchloride; sodium nitrite; In water; at 0 - 5 ℃;

ethyl 2-(4,5-dihydro-4-oxothiazol-2-yl)-3-phenyl-2-butenoate; With sodium hydroxide; acetic acid; In ethanol; at 0 - 5 ℃; for 4h;

DOI:10.1002/jccs.200800167

Reference yield: 79.0%

ethyl 2-(4-oxo-4,5-dihydrothiazol-2-yl)-3-phenyl-4-(p-tolylhydrazono)-2-butenoate (1173174-34-9) → 4-(4,5-dihydro-4-oxothiazol-2-yl)-2-(4-methylphenyl)-5-phenylpyridazin-3(2H)-one (1173174-38-3)

Guidance literature:

With sodium hydroxide; In ethanol; for 4h; Reflux;

DOI:10.1002/jccs.200800167

upstream raw materials:

ethyl 2-(4,5-dihydro-4-oxothiazol-2-yl)-3-phenyl-2-butenoate

p-toluidine

Downstream raw materials:

4-(4,5-dihydro-4-oxothiazol-2-yl)-2-(4-methylphenyl)-5-phenylpyridazin-3(2H)-one

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