5-IODO-2-METHYL-4(3H)-PYRIMIDINONE

Base Information

• Chemical Name: 5-IODO-2-METHYL-4(3H)-PYRIMIDINONE
• CAS No.: 111079-41-5
• Molecular Formula: C₅H₅IN₂O
• Molecular Weight: 236.012
• Mol file: 111079-41-5.mol

Synonyms:4(1H)-Pyrimidinone,5-iodo-2-methyl- (9CI); 5-Iodo-2-methyl-4(3H)-pyrimidinone

Chemical Property of 5-IODO-2-METHYL-4(3H)-PYRIMIDINONE

Chemical Property:

• Refractive Index: 1.718
• PSA: 46.01000
• LogP: 1.09520

Purity/Quality:

98%min ^*data from raw suppliers

5-Iodo-2-methyl-1,4-dihydropyrimidin-4-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-IODO-2-METHYL-4(3H)-PYRIMIDINONE

There total 1 articles about 5-IODO-2-METHYL-4(3H)-PYRIMIDINONE 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: 46.0%

2-methyl-3H-pyrimidin-4-one (19875-04-8,127892-80-2) → 5-iodo-2-methyl-4(3H)-pyrimidinone (111079-41-5)

Guidance literature:

With iodine; In nitric acid; at 80 ℃; for 6h;

Reference yield: 82.0%

5-iodo-2-methyl-4(3H)-pyrimidinone (111079-41-5) → 2-methyl-4-chloro-5-iodopyrimidine (111079-17-5)

Guidance literature:

With trichlorophosphate; Heating;

Reference yield:

5-iodo-2-methyl-4(3H)-pyrimidinone (111079-41-5) → 2-methyl-thieno[2,3-d]pyrimidine (56844-01-0)

Guidance literature:

Multi-step reaction with 3 steps

1: 82 percent / POCl₃ / Heating

2: 77 percent / Pd(PPh₃)2Cl₂, CuI, Et₃N / 12 h / 80 °C

3: 73 percent / NaOEt, H₂S / ethanol / 1.5 h / Heating

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; hydrogen sulfide; sodium ethanolate; triethylamine; trichlorophosphate; In ethanol;

upstream raw materials:

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

Downstream raw materials:

2-methyl-4-chloro-5-iodopyrimidine

2-methyl-thieno[2,3-d]pyrimidine

Refernces