2-(Ethylthio)quinazolin-4(3H)-one

Base Information

• Chemical Name: 2-(Ethylthio)quinazolin-4(3H)-one
• CAS No.: 16802-73-6
• Molecular Formula: C₁₀H₁₀N₂OS
• Molecular Weight: 206.268
• Mol file: 16802-73-6.mol

Synonyms:4(1H)-Quinazolinone,2-(ethylthio)- (9CI); 4(3H)-Quinazolinone, 2-(ethylthio)- (8CI);2-Ethylsulfanyl-3H-quinazolin-4-one; 2-Ethylthioquinazolin-4(3H)-one

Chemical Property of 2-(Ethylthio)quinazolin-4(3H)-one

Chemical Property:

• Vapor Pressure: 1.58E-05mmHg at 25°C
• Melting Point: 162 °C(Solv: chloroform (67-66-3))
• Boiling Point: 365.4°C at 760 mmHg
• PKA: 0.35±0.20(Predicted)
• Flash Point: 174.8°C
• PSA: 71.31000
• Density: 1.31g/cm³
• LogP: 2.44740

Purity/Quality:

2-ETHYLSULFANYL-3H-QUINAZOLIN-4-ONE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-(Ethylthio)quinazolin-4(3H)-one

There total 9 articles about 2-(Ethylthio)quinazolin-4(3H)-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: 90.0%

diethyl sulfate (64-67-5) + 2-mercapto-3H-quinazolin-4-one (13906-09-7) → 2-ethylsulfanyl-3H-quinazolin-4-one (16802-73-6)

Guidance literature:

With potassium carbonate; In neat (no solvent); at 20 ℃; Solvent; Temperature; Time; Reagent/catalyst; Green chemistry;

DOI:10.14233/ajchem.2013.13593

Reference yield: 80.0%

ethyl iodide (75-03-6) + 2-mercapto-3H-quinazolin-4-one (13906-09-7) → 2-ethylsulfanyl-3H-quinazolin-4-one (16802-73-6)

Guidance literature:

With sodium ethanolate; In ethanol; at 20 ℃; for 3h; Heating / reflux;

Reference yield: 75.0%

2-thioxo-2,3-dihydro-1H-quinazolin-4-one (13906-09-7) + ethyl iodide (75-03-6) → 2-ethylsulfanyl-3H-quinazolin-4-one (16802-73-6)

Guidance literature:

With potassium hydroxide; In ethanol; at 100 ℃; for 3h;

DOI:10.1007/BF00663865

upstream raw materials:

2-thioxo-2,3-dihydro-1H-quinazolin-4-one

ethyl iodide

2-mercapto-3H-quinazolin-4-one

ethyl bromide

Downstream raw materials:

2-(morpholin-1-yl)quinazolin-4(3H)-one

2-(piperazin-1-yl)quinazolin-4(3H)-one

2-(4-methylpiperazin-1-yl)quinazolin-4(3H)-one

quinazoline-2,4-diol