ethyl pyruvate 4,4'-dihydrazonodiphenyl sulfone

Base Information

• Chemical Name: ethyl pyruvate 4,4'-dihydrazonodiphenyl sulfone
• CAS No.: 77474-56-7
• Molecular Formula: C₂₂H₂₆N₄O₆S
• Molecular Weight: 474.538
• Mol file: 77474-56-7.mol

Synonyms:ethyl pyruvate 4,4'-dihydrazonodiphenyl sulfone

Chemical Property of ethyl pyruvate 4,4'-dihydrazonodiphenyl sulfone

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

Useful:

Technology Process of ethyl pyruvate 4,4'-dihydrazonodiphenyl sulfone

There total 2 articles about ethyl pyruvate 4,4'-dihydrazonodiphenyl sulfone 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: 97.0%

2-oxo-propionic acid ethyl ester (617-35-6) + 4,4'-dihydrazinodiphenyl sulfone (14052-65-4) → ethyl pyruvate 4,4'-dihydrazonodiphenyl sulfone (77474-56-7)

Guidance literature:

With acetic acid; In ethanol; for 1h;

DOI:10.1007/BF00504111

Reference yield:

4,4'-dichlorodiphenyl sulphone (80-07-9,30605-10-8,85228-26-8,36313-66-3) → ethyl pyruvate 4,4'-dihydrazonodiphenyl sulfone (77474-56-7)

Guidance literature:

Multi-step reaction with 2 steps

1: 90 percent / NH₂NH₂*H₂O, Et₃N / 20 h / Heating

2: 97 percent / CH₃COOH / ethanol / 1 h

With hydrazine hydrate; acetic acid; triethylamine; In ethanol;

DOI:10.1007/BF00504111

upstream raw materials:

2-oxo-propionic acid ethyl ester

4,4'-dihydrazinodiphenyl sulfone

4,4'-dichlorodiphenyl sulphone