1-phenyl-3--5-pyrazolone

Base Information

• Chemical Name: 1-phenyl-3--5-pyrazolone
• CAS No.: 137201-91-3
• Molecular Formula: C₁₉H₁₇ClN₄O₃
• Molecular Weight: 384.822

Synonyms:

Chemical Property of 1-phenyl-3--5-pyrazolone

Chemical Property:

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Technology Process of 1-phenyl-3--5-pyrazolone

There total 1 articles about 1-phenyl-3--5-pyrazolone 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: 85.0%

2-[(4-Chloro-phenyl)-hydrazono]-3-oxo-pentanedioic acid diethyl ester (121583-01-5) + phenylhydrazine (100-63-0) → 1-phenyl-3--5-pyrazolone (137201-91-3)

Guidance literature:

In acetic acid;

DOI:10.1007/BF00809248

Reference yield: 60.0%

1-phenyl-3--5-pyrazolone (137201-91-3) → 3,6-bis-(1-phenylpyrazoline-5-one-3-yl)-piperazine-2,5-dione (133405-23-9)

Guidance literature:

With hydrogenchloride; In ethanol; Ambient temperature; controlled potential electrolysis;

DOI:10.1007/BF00809248

upstream raw materials:

2-[(4-Chloro-phenyl)-hydrazono]-3-oxo-pentanedioic acid diethyl ester

phenylhydrazine

Downstream raw materials:

3,6-bis-(1-phenylpyrazoline-5-one-3-yl)-piperazine-2,5-dione

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