Pyrimido[5,4-e]-1,2,4-triazin-5(6H)-one (9CI)

Base Information

• Chemical Name: Pyrimido[5,4-e]-1,2,4-triazin-5(6H)-one (9CI)
• CAS No.: 19359-64-9
• Molecular Formula: C₅H₃N₅O
• Molecular Weight: 149.112
• Hs Code.: 2933990090
• Mol file: 19359-64-9.mol

Synonyms:Pyrimido[5,4-e]-as-triazin-5(6H)-one(8CI); 4-Hydroxy-7-azapteridine; NSC 101504; Pyrimido[5,4-e]-as-triazin-5-ol

Chemical Property of Pyrimido[5,4-e]-1,2,4-triazin-5(6H)-one (9CI)

Chemical Property:

• Vapor Pressure: 1.03E-08mmHg at 25°C
• Boiling Point: 461.9°Cat760mmHg
• Flash Point: 233.2°C
• PSA: 84.42000
• Density: 1.94g/cm³
• LogP: -0.89190

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Pyrimido[5,4-e]-1,2,4-triazin-5(6H)-one (9CI)

There total 4 articles about Pyrimido[5,4-e]-1,2,4-triazin-5(6H)-one (9CI) 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: 80.0%

5-chloro-1,2-dihydropyrimido<5,4-e>-1,2,4-triazine hydrochloride (116588-81-9) → 3,5-diaminopyrimido<5,4-e>-1,2,4-triazine (42786-30-1) + pyrimido<5,4-e>-1,2,4-triazin-(6H)-5-one (19359-64-9) + 5-aminopyrimidotriazine (19359-15-0)

Guidance literature:

With potassium permanganate; ammonia; at -70 ℃;

Reference yield:

5-chloro-1,2-dihydropyrimido<5,4-e>-1,2,4-triazine hydrochloride (116588-81-9) → pyrimido<5,4-e>-1,2,4-triazin-(6H)-5-one (19359-64-9) + 5-aminopyrimidotriazine (19359-15-0)

Guidance literature:

With ammonia; at -70 ℃; for 0.166667h; Yield given. Yields of byproduct given;

Reference yield:

→ pyrimido<5,4-e>-1,2,4-triazin-(6H)-5-one (19359-64-9)

Guidance literature:

5-Chlor-1,2-dihydro-pyrimido<5.4-e>-asymm.-triazin, 1N NH4OH;

DOI:10.1021/jo01259a016

upstream raw materials:

5-chloro-1,2-dihydropyrimido<5,4-e>-1,2,4-triazine hydrochloride

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