4(3H)-PYRIMIDINONE, 5-BROMO-6-METHYL-2-(METHYLTHIO)-

Base Information

• Chemical Name: 4(3H)-PYRIMIDINONE, 5-BROMO-6-METHYL-2-(METHYLTHIO)-
• CAS No.: 33238-63-0
• Molecular Formula: C6H7BrN2OS
• Molecular Weight: 235.104
• Hs Code.: 2933599590
• Mol file: 33238-63-0.mol

Synonyms:5-bromo-6-methyl-2-(methylsulfanyl)pyrimidin-4(1h)-one;5-bromo-6-methyl-2-methylthiouracil;5-Brom-6-methyl-2-methylmercapto-3H-pyrimidin-4-on;5-bromo-6-methyl-2-methylthio-4(3H)-pyrimidinone;5-bromo-6-methyl-2-methylsulfanyl-3H-pyrimidin-4-one;

Chemical Property of 4(3H)-PYRIMIDINONE, 5-BROMO-6-METHYL-2-(METHYLTHIO)-

Chemical Property:

• Vapor Pressure: 0.00233mmHg at 25°C
• Boiling Point: 288.5°Cat760mmHg
• Flash Point: 128.3°C
• PSA: 71.05000
• Density: 1.77g/cm³
• LogP: 1.56270

Purity/Quality:

97% ^*data from raw suppliers

5-Bromo-6-methyl-2-(methylthio)pyrimidin-4(3H)-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4(3H)-PYRIMIDINONE, 5-BROMO-6-METHYL-2-(METHYLTHIO)-

There total 5 articles about 4(3H)-PYRIMIDINONE, 5-BROMO-6-METHYL-2-(METHYLTHIO)- 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: 87.0%

6-methyl-2-methylsulfanyl-3H-pyrimidin-4-one (6328-58-1) → 5-bromo-6-methyl-2-(methylthio)pyrimidin-4(3H)-one (33238-63-0)

Guidance literature:

With bromine; acetic acid; for 1h; Heating;

Reference yield:

6-methyl-2-thiouracil (56-04-2,91795-77-6) → 5-bromo-6-methyl-2-(methylthio)pyrimidin-4(3H)-one (33238-63-0)

Guidance literature:

Multi-step reaction with 2 steps

1: 82 percent / sodium hydroxide / H₂O / 3 h / Heating

2: 63 percent / Br₂ / acetic acid / 20 °C

With sodium hydroxide; bromine; In water; acetic acid;

DOI:10.1023/A:1024926507658

Reference yield:

2-mercapto-6-methylpyrimidin-4(3H)-one (56-04-2) → 5-bromo-6-methyl-2-(methylthio)pyrimidin-4(3H)-one (33238-63-0)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium hydroxide / ethanol; water / 0.5 h / 0 - 20 °C / Reflux

2: bromine / acetic acid / 1 h / 60 °C

With bromine; sodium hydroxide; In ethanol; water; acetic acid;

DOI:10.1021/acs.jmedchem.0c01727

upstream raw materials:

6-methyl-2-methylsulfanyl-3H-pyrimidin-4-one

5-bromo-6-methyl-2-thiouracil

methyl iodide

6-methyl-2-thiouracil

Downstream raw materials:

5-bromo-2-(4-chloro-anilino)-6-methyl-3H-pyrimidin-4-one

5-bromo-6-methyluracil

5-bromo-4-chloro-6-methyl-2-(methylthio)pyrimidine

4-(4-chloro-anilino)-6-methyl-1H-pyrimidin-2-one