8-bromoquinazoline-2,4(1H,3H)-dione

Base Information

• Chemical Name: 8-bromoquinazoline-2,4(1H,3H)-dione
• CAS No.: 331646-99-2
• Molecular Formula: C₈H₅BrN₂O₂
• Molecular Weight: 241.044
• Hs Code.: 2933990090
• Mol file: 331646-99-2.mol

Synonyms:8-Bromoquinazoline-2,4-diol;8-Bromoquinazoline-2,4(1H,3H)-dione;

Chemical Property of 8-bromoquinazoline-2,4(1H,3H)-dione

Chemical Property:

• Vapor Pressure: 3.58E-12mmHg at 25°C
• Refractive Index: 1.782
• Boiling Point: 537.6 °C at 760 mmHg
• PKA: 10.29±0.20(Predicted)
• Flash Point: 278.9 °C
• PSA: 66.24000
• Density: 1.959 g/cm³
• LogP: 1.80350
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

99% ^*data from raw suppliers

8-Bromoquinazoline-2,4-diol ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 8-bromoquinazoline-2,4(1H,3H)-dione

There total 8 articles about 8-bromoquinazoline-2,4(1H,3H)-dione 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: 100.0%

2-amino-3-bromo benzoic acid (20776-51-6) + urea (57-13-6) → 8-bromoquinazoline-2,4-(1H,3H)-dione (331646-99-2)

Guidance literature:

at 200 ℃; for 3h;

Reference yield: 98.0%

2-amino-3-bromo benzoic acid (20776-51-6) + urea (57-13-6) → 8-bromoquinazoline-2,4-diol (331646-99-2)

Guidance literature:

at 210 ℃; for 2h;

Reference yield: 91.0%

carbon dioxide (124-38-9,18923-20-1) + 2-amino-3-bromo-benzonitrile (114344-60-4) → 8-bromoquinazoline-2,4-(1H,3H)-dione (331646-99-2)

Guidance literature:

With 1,8-diazabicyclo[5.4.0]undec-7-ene; In N,N-dimethyl-formamide; at 20 ℃; for 24h;

DOI:10.1021/ol102915f

upstream raw materials:

2-amino-3-bromo benzoic acid

sodium isocyanate

urea

7-bromoisatin

Downstream raw materials:

8-bromo-2,4-dichloroquinazoline

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