5-Ethyl-7-oxo-1-phenyl-N-2-pyridinyl-1,7-dihydropyrazolo(1,5-a)pyrimidine-6-carboxamide

Base Information

• Chemical Name: 5-Ethyl-7-oxo-1-phenyl-N-2-pyridinyl-1,7-dihydropyrazolo(1,5-a)pyrimidine-6-carboxamide
• CAS No.: 87948-83-2
• Molecular Formula: C₂₀H₁₇N₅O₂
• Molecular Weight: 359.387
• DSSTox Substance ID: DTXSID10236717
• Wikidata: Q83118738

Synonyms:5-Ethyl-7-oxo-1-phenyl-N-2-pyridinyl-1,7-dihydropyrazolo(1,5-a)pyrimidine-6-carboxamide;Pyrazolo(1,5-a)pyrimidine-6-carboxamide, 1,7-dihydro-5-ethyl-7-oxo-1-phenyl-N-2-pyridinyl-;87948-83-2;DTXSID10236717;LS-129220

Chemical Property of 5-Ethyl-7-oxo-1-phenyl-N-2-pyridinyl-1,7-dihydropyrazolo(1,5-a)pyrimidine-6-carboxamide

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Density: 1.33g/cm³
• XLogP3: 2.5
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 4
• Exact Mass: 359.13822480
• Heavy Atom Count: 27
• Complexity: 705

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCC1=C(C(=O)N2C(=N1)C=CN2C3=CC=CC=C3)C(=O)NC4=CC=CC=N4

Technology Process of 5-Ethyl-7-oxo-1-phenyl-N-2-pyridinyl-1,7-dihydropyrazolo(1,5-a)pyrimidine-6-carboxamide

There total 1 articles about 5-Ethyl-7-oxo-1-phenyl-N-2-pyridinyl-1,7-dihydropyrazolo(1,5-a)pyrimidine-6-carboxamide 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:

2-ethoxycarbonyl-3-N-(1-phenyl-1H-pyrazol-3-yl)amino-2-pentenoic acid, ethyl ester → 5-ethyl-1-phenyl-7-oxo-1H,7H-pyrazolo<1,5-a>pyrimidine-6-N-(2-pyridyl)carboxamide (87948-83-2)

Guidance literature:

Multi-step reaction with 2 steps

1: polyphosphoric acid, phosphorus oxychloride / 0.5 h / Heating

2: 77.2 percent / polyphosphoric acid / 2 h / 120 °C

With PPA; trichlorophosphate;

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