2,3,5,6-Tetrachloro-4-pyridinol

Base Information

• Chemical Name: 2,3,5,6-Tetrachloro-4-pyridinol
• CAS No.: 2322-38-5
• Molecular Formula: C5H Cl4 N O
• Molecular Weight: 232.88
• Hs Code.: 2933399090
• DSSTox Substance ID: DTXSID90177795
• Wikidata: Q83048140
• Mol file: 2322-38-5.mol

Synonyms:2,3,5,6-tetrachloro-4-pyridinol;2,3,5,6-tetrachloro-4-pyridinol sodium salt

Chemical Property of 2,3,5,6-Tetrachloro-4-pyridinol

Chemical Property:

• Boiling Point: 373.8°Cat760mmHg
• Flash Point: 179.8°C
• PSA: 33.12000
• Density: g/cm³
• LogP: 3.40080
• Storage Temp.: 2-8°C
• XLogP3: 3.5
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 232.878274
• Heavy Atom Count: 11
• Complexity: 254

Purity/Quality:

97% ^*data from raw suppliers

2,3,5,6-Tetrachloropyridin-4-ol 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1(=C(NC(=C(C1=O)Cl)Cl)Cl)Cl
• Uses: 2,3,5,6-Tetrachloro-4-pyridinol is used as a reactant in the tautomerization of pyridone-?hydroxypyridine.

Technology Process of 2,3,5,6-Tetrachloro-4-pyridinol

There total 17 articles about 2,3,5,6-Tetrachloro-4-pyridinol 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%

2,3,4,5,6-pentachloropyridine (2176-62-7) → 2,3,5,6-tetrachloro-4-pyridinol (2322-38-5) + Tetrachlor-pyridin-2-ol (17368-22-8)

Guidance literature:

With potassium hydroxide; In tert-butyl alcohol; for 10h; Heating;

DOI:10.1081/SCC-200026626

Reference yield: 83.0%

4-{3-[(2,3,5,6-tetrachloropyridin-4-yl)oxy]propoxy}-2,3,5,6-tetrachloropyridine (81726-44-5) → 2,3,5,6-tetrachloro-4-pyridinol (2322-38-5) + 5,7,8-trichloro-3,4-dihydro-2H-pyrano<3.2-c>pyridine (81706-86-7)

Guidance literature:

With magnesium; In tetrahydrofuran; for 24h;

Reference yield: 54.0%

1-bromo-2-tetrachloro-4-pyridyloxyethane (81706-73-2) → 2,3,5,6-tetrachloro-4-pyridinol (2322-38-5) + 4,6,7-trichloro-2,3-dihydrofuro<3.2-c>pyridine (81706-87-8)

Guidance literature:

With magnesium; In tetrahydrofuran; for 24h;

upstream raw materials:

2,3,4,5,6-pentachloropyridine

heptachloro-2,3-dihydro-1H-pyridin-4-one

2,3,5,6-tetrachloro-4-ethoxypyridine

allyl 2,3,5,6-tetrachloro-4-pyridyl ether

Downstream raw materials:

4-benzyloxytetrachloropyridine

2,3,5,6-Tetrachloro-pyridin-4-olatebenzyl-(2-dimethylamino-ethyl)-dimethyl-ammonium;

2,3,5,6-Tetrachloro-pyridin-4-olatebenzyl-triethyl-ammonium;

1-benzyl-1,1-dimethylhydrazinium 2,3,5,6-tetrachloropyridin-4-olate

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