Mesoxalic acid dinitrile (4-bromo-2-cyanophenyl) hydrazone

Base Information

• Chemical Name: Mesoxalic acid dinitrile (4-bromo-2-cyanophenyl) hydrazone
• CAS No.: 352461-95-1
• Molecular Formula: C₁₀H₄BrN₅
• Molecular Weight: 274.079

Synonyms:Mesoxalic acid dinitrile (4-bromo-2-cyanophenyl) hydrazone

Chemical Property of Mesoxalic acid dinitrile (4-bromo-2-cyanophenyl) hydrazone

Chemical Property:

Purity/Quality:

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Technology Process of Mesoxalic acid dinitrile (4-bromo-2-cyanophenyl) hydrazone

There total 2 articles about Mesoxalic acid dinitrile (4-bromo-2-cyanophenyl) hydrazone 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: 83.8%

malononitrile (109-77-3) + 4-bromo-2-cyano-benzenediazonium; hydrogen sulfate → Mesoxalic acid dinitrile (4-bromo-2-cyanophenyl) hydrazone (352461-95-1)

Guidance literature:

With sodium acetate; In ethanol; at 20 ℃; for 1.5h;

DOI:10.1023/A:1017527620923

Reference yield: 83.8%

5-bromoisatin β-hydrazone (2438-71-3) + malononitrile (109-77-3) → Mesoxalic acid dinitrile (4-bromo-2-cyanophenyl) hydrazone (352461-95-1)

Guidance literature:

5-bromoisatin β-hydrazone; With sulfuric acid; acetic acid; sodium nitrite; at 5 - 10 ℃; for 0.5h;

malononitrile; With sodium acetate; In ethanol; at 20 - 25 ℃;

DOI:10.1023/A:1018860207475

Reference yield: 65.4%

Mesoxalic acid dinitrile (4-bromo-2-cyanophenyl) hydrazone (352461-95-1) → 4-(4-Bromo-2-cyanophenyl)azo-3,5-diaminopyrazole

Guidance literature:

With hydrazine hydrate; In ethanol; for 3h; Heating;

DOI:10.1023/A:1017527620923

upstream raw materials:

5-bromoisatin β-hydrazone

malononitrile

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