5-Methanesulfonyl-1H-pyridin-2-one

Base Information

• Chemical Name: 5-Methanesulfonyl-1H-pyridin-2-one
• CAS No.: 18085-51-3
• Molecular Formula: C₆H₇NO₃S
• Molecular Weight: 173.192
• Mol file: 18085-51-3.mol

Synonyms:5-Methanesulfonyl-1H-pyridin-2-one;5-(methylsulfonyl)pyridin-2(1H)-one;5-(methylsulfonyl)-2(1H)-Pyridinone

Chemical Property of 5-Methanesulfonyl-1H-pyridin-2-one

Chemical Property:

• Melting Point: 247-248.5 °C
• Boiling Point: 461.4±38.0 °C(Predicted)
• PKA: 8.49±0.10(Predicted)
• PSA: 75.38000
• Density: 1.43±0.1 g/cm3(Predicted)
• LogP: 0.85920

Purity/Quality:

97% ^*data from raw suppliers

5-methanesulfonyl-1,2-dihydropyridin-2-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-Methanesulfonyl-1H-pyridin-2-one

There total 2 articles about 5-Methanesulfonyl-1H-pyridin-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: 100.0%

2-Methoxy-5-(methylsulfonyl)pyridine (98627-16-8) → 5-methanesulfonyl-1H-pyridin-2-one (18085-51-3)

Guidance literature:

With chloro-trimethyl-silane; sodium iodide; In acetonitrile; at 23 ℃; for 4h;

DOI:10.1016/j.bmcl.2010.08.095

Reference yield:

2,5-bis-methanesulfonyl-pyridine (85330-63-8) → 5-methanesulfonyl-1H-pyridin-2-one (18085-51-3)

Guidance literature:

With sulfuric acid; for 2.5h; Heating;

Reference yield:

5-methanesulfonyl-1H-pyridin-2-one (18085-51-3) → 2-(3,4-Dichlorophenyl)-3,4-dihydro-6-(methylsulfonyl)-2H-pyrano<2,3-b>pyridine (102830-69-3)

Guidance literature:

Multi-step reaction with 5 steps

1: 1.) potassium iodate, aq. H₂SO₄, 2.) potassium iodide; / 1.) 90-100 deg C, 30 min, 2.) water, 1.5 h;

2: 79 percent / phosphorus oxychloride / 4 h / Heating

3: 53 percent / N,N-diisopropylethylamine, tri-o-tolylphosphine / palladium acetate / dimethylformamide / 1.) 100 deg C, 20 min, 2.) 116 deg C, 20 min;

4: 0.36 g / diisobutylaluminium hydride / CH₂Cl₂; toluene / 0.08 h / -65 °C

5: NaH / dimethylsulfoxide / 0.25 h

With potassium iodate; sulfuric acid; sodium hydride; diisobutylaluminium hydride; N-ethyl-N,N-diisopropylamine; tris-(o-tolyl)phosphine; potassium iodide; trichlorophosphate; palladium diacetate; In dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene;

upstream raw materials:

2,5-bis-methanesulfonyl-pyridine

2-Methoxy-5-(methylsulfonyl)pyridine

Downstream raw materials:

2-(3,4-Dichlorophenyl)-3,4-dihydro-6-(methylsulfonyl)-2H-pyrano<2,3-b>pyridine

3-<2-Chloro-5-(methylsulfonyl)-3-pyridinyl>-1-(3,4-dichlorophenyl)propan-1-one

3-[2-chloro-5-(methylsulfonyl)-3-pyridinyl]-1-(3,4-dichlorophenyl)propan-1-ol