2-phenylpyrazolo[1,5-d][1,2,4]triazin-4(5H)-one

Base Information

• Chemical Name: 2-phenylpyrazolo[1,5-d][1,2,4]triazin-4(5H)-one
• CAS No.: 135104-20-0
• Molecular Formula: C₁₁H₈N₄O
• Molecular Weight: 212.211
• DSSTox Substance ID: DTXSID70159256
• Nikkaji Number: J406.395C
• Wikidata: Q83027572
• Mol file: 135104-20-0.mol

Synonyms:2-phenylpyrazolo[1,5-d][1,2,4]triazin-4(5H)-one;135104-20-0;BRN 4748472;Pyrazolo(1,5-d)(1,2,4)triazin-4(5H)-one, 2-phenyl-;2-Phenylpyrazolo(1,5-d)(1,2,4)triazin-4(5H)-one;DTXSID70159256;MFCD01692950;STL080986;AKOS000276363;LS-129401;8-phenylpyrazolo[1,5-d][1,2,4]triazinone;CS-0337690;F3379-1025;2-phenyl-5,8-dihydro-pyrazolo[1,5-d][1,2,4]triazin-4-one

Chemical Property of 2-phenylpyrazolo[1,5-d][1,2,4]triazin-4(5H)-one

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Density: 1.44g/cm³
• XLogP3: 1.4
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 1
• Exact Mass: 212.06981089
• Heavy Atom Count: 16
• Complexity: 311

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)C2=NN3C=NNC(=O)C3=C2

Technology Process of 2-phenylpyrazolo[1,5-d][1,2,4]triazin-4(5H)-one

There total 1 articles about 2-phenylpyrazolo[1,5-d][1,2,4]triazin-4(5H)-one 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: 78.0%

2-Phenyl-3,3a-dihydro-5H-pyrazolo[1,5-d][1,2,4]triazin-4-one (135131-00-9) → 2-Phenyl-5H-pyrazolo[1,5-d][1,2,4]triazin-4-one (135104-20-0)

Guidance literature:

In N,N-dimethyl-formamide; for 60h; Heating;

Reference yield: 95.0%

formaldehyd (50-00-0,30525-89-4,61233-19-0) + 2-Phenyl-5H-pyrazolo[1,5-d][1,2,4]triazin-4-one (135104-20-0) + 1-(4-Fluorophenyl)piperazine (2252-63-3) → 5-[4-(4-Fluoro-phenyl)-piperazin-1-ylmethyl]-2-phenyl-5H-pyrazolo[1,5-d][1,2,4]triazin-4-one (148680-62-0)

Guidance literature:

With water; for 6h; Heating;

Reference yield:

2-Phenyl-5H-pyrazolo[1,5-d][1,2,4]triazin-4-one (135104-20-0) → (4-Oxo-2-phenyl-4H-pyrazolo[1,5-d][1,2,4]triazin-5-yl)-acetic acid (144836-09-9)

Guidance literature:

Multi-step reaction with 2 steps

1: K₂CO₃ / acetone / 4 h / Heating

2: NaOH / ethanol / 2 h / Heating

With sodium hydroxide; potassium carbonate; In ethanol; acetone;

DOI:10.1248/cpb.40.1411

upstream raw materials:

2-Phenyl-3,3a-dihydro-5H-pyrazolo[1,5-d][1,2,4]triazin-4-one

Downstream raw materials:

5-[4-(4-Fluoro-phenyl)-piperazin-1-ylmethyl]-2-phenyl-5H-pyrazolo[1,5-d][1,2,4]triazin-4-one

(4-Oxo-2-phenyl-4H-pyrazolo[1,5-d][1,2,4]triazin-5-yl)-acetic acid

3-(4-Oxo-2-phenyl-4H-pyrazolo[1,5-d][1,2,4]triazin-5-yl)-propionic acid

4-(4-Oxo-2-phenyl-4H-pyrazolo[1,5-d][1,2,4]triazin-5-yl)-butyric acid