Imidazo[1,5-a]pyrazine

Base Information

• Chemical Name: Imidazo[1,5-a]pyrazine
• CAS No.: 274-49-7
• Molecular Formula: C₆H₅N₃
• Molecular Weight: 119.126
• NSC Number: 157973
• DSSTox Substance ID: DTXSID30303354
• Wikidata: Q82048582
• Mol file: 274-49-7.mol

Synonyms:imidazo(1,5-a)pyrazine

Chemical Property of Imidazo[1,5-a]pyrazine

Chemical Property:

• Boiling Point: °Cat760mmHg
• PKA: 5.00±0.30(Predicted)
• Flash Point: °C
• PSA: 30.19000
• Density: 1.29g/cm³
• LogP: 0.72930
• Storage Temp.: Inert atmosphere,Room Temperature
• XLogP3: 0.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 119.048347172
• Heavy Atom Count: 9
• Complexity: 105

Purity/Quality:

97% ^*data from raw suppliers

Imidazo[1,5-a]pyrazine 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CN2C=NC=C2C=N1

Technology Process of Imidazo[1,5-a]pyrazine

There total 1 articles about Imidazo[1,5-a]pyrazine 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:

→ imidazo[1,5-a]pyrazine (274-49-7)

Guidance literature:

6a, 1. POCl3, 2. wss. NaOH;

DOI:10.1021/jo00951a017

Reference yield:

p-toluidine (106-49-0,12221-03-3) + imidazo[1,5-a]pyrazine (274-49-7) → 6-(p-tolyl)imidazo[1,5-a]pyrazine + 5-(p-tolyl)imidazo[1,5-a]pyrazine

Guidance literature:

p-toluidine; With tetrafluoroboric acid; tert.-butylnitrite; In ethanol; water; at 0 - 20 ℃; for 1h;

imidazo[1,5-a]pyrazine; With tetrabutylammonium tetrafluoroborate; trifluoroacetic acid; In dimethyl sulfoxide; at 20 ℃; for 4.5h; Overall yield = 50 percent; Electrochemical reaction;

DOI:10.1002/anie.201909600

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