2-phenylmalonic acid dihydrazide

Base Information

• Chemical Name: 2-phenylmalonic acid dihydrazide
• CAS No.: 25457-59-4
• Molecular Formula: C₉H₁₂N₄O₂
• Molecular Weight: 208.22
• Mol file: 25457-59-4.mol

Synonyms:2-phenylmalonic acid dihydrazide

Chemical Property of 2-phenylmalonic acid dihydrazide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2-phenylmalonic acid dihydrazide

There total 2 articles about 2-phenylmalonic acid dihydrazide 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:

dimethyl 2-phenylmalonate (37434-59-6) → 2-phenylmalonic acid dihydrazide (25457-59-4)

Guidance literature:

With hydrazine;

Reference yield:

→ 2-phenylmalonic acid dihydrazide (25457-59-4)

Guidance literature:

Phenylmalonsaeurediester, N2H4*H2O;

Reference yield: 90.0%

2-phenylmalonic acid dihydrazide (25457-59-4) + acetylacetone (123-54-6,81235-32-7) → anhydro-5,7-dimethyl-1-hydroxy-3-oxo-2-phenylpyrazolo<1,2-a>pyrazolium hydroxide (76434-58-7)

Guidance literature:

In ethanol; at 20 ℃; for 14h;

DOI:10.1002/jhet.5570420217

upstream raw materials:

dimethyl 2-phenylmalonate

Downstream raw materials:

anhydro-1-hydroxy-5-methyl-3-oxo-2-phenyl-6,7,8,9-tetrahydropyrazolo<1,2-a>indazolium hydroxide

anhydro-5,7-dimethyl-1-hydroxy-3-oxo-2-phenylpyrazolo<1,2-a>pyrazolium hydroxide

Phenylmalonsaeure-di-(N'-isopropyl)-hydrazid