1,3-dimethyl-4-sulfanylidene-pyrimidin-2-one

Base Information

• Chemical Name: 1,3-dimethyl-4-sulfanylidene-pyrimidin-2-one
• CAS No.: 49785-67-3
• Molecular Formula: C6H8N2OS
• Molecular Weight: 156.208
• Mol file: 49785-67-3.mol

Synonyms:1,2,3,4-Tetrahydro-1,3-dimethyl-2-oxo-4-thio-pyrimidin;1,3-DM-4-TU;1,3-dimethyl-4-thioxo-3,4-dihydro-1H-pyrimidin-2-one;1,3-DIMETHYL-4-SULFANYLIDENE-PYRIMIDIN-2-ONE;1,3-Dimethyl-4-thiouracil;1,3-Dimethyl-4-thioxo-3,4-dihydro-1H-pyrimidin-2-on;1,3-dimethyl-4-thioxo-1,2,3,4-tetrahydro-2-pyrimidinone;

Chemical Property of 1,3-dimethyl-4-sulfanylidene-pyrimidin-2-one

Chemical Property:

• Vapor Pressure: 0.118mmHg at 25°C
• Boiling Point: 219.6°Cat760mmHg
• Flash Point: 86.6°C
• PSA: 59.02000
• Density: 1.32g/cm³
• LogP: 0.45330

Purity/Quality:

1,3-DIMETHYL-4-SULFANYLIDENE-PYRIMIDIN-2-ONE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,3-dimethyl-4-sulfanylidene-pyrimidin-2-one

There total 4 articles about 1,3-dimethyl-4-sulfanylidene-pyrimidin-2-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: 92.0%

1,3-dimethyluracil (874-14-6,156398-76-4) → 1,3-dimethyl-4-thiouracil (49785-67-3)

Guidance literature:

With pyridine; tetraphosphorus decasulfide; for 72h; Heating;

DOI:10.1002/(SICI)1521-3765(19991203)5:12<3549::AID-CHEM3549>3.0.CO;2-V

Reference yield: 41.0%

trimethyl phosphite (512-56-1) + 4-thiouracil (591-28-6) → 1-methyl-4-(methylsulfanyl)pyrimidin-2(1H)-one (49844-94-2) + 1,3-dimethyl-4-thiouracil (49785-67-3)

Guidance literature:

In N,N-dimethyl-formamide; at 100 ℃; for 40h;

Reference yield:

tetrachloromethane (56-23-5) + 1,3-dimethyluracil (874-14-6,156398-76-4) + toluene (108-88-3,15644-74-3,16713-13-6) → 1,3-dimethyl-4-thiouracil (49785-67-3)

Guidance literature:

DOI:10.1021/ja01201a025

upstream raw materials:

1,3-dimethyluracil

trimethyl phosphite

4-thiouracil

tetrachloromethane

Downstream raw materials:

N,N'-Dimethylurea

1,3-dimethyl-7-mercaptopyrido<2,3-d>pyrimidine-2,4-(1H,3H)-dione

1,3-dimethyluracil