5-Bromo-2,4-dichloropyridine

Base Information

• Chemical Name: 5-Bromo-2,4-dichloropyridine
• CAS No.: 849937-96-8
• Molecular Formula: C5H2 Br Cl2 N
• Molecular Weight: 226.888
• Hs Code.: 2933399090
• European Community (EC) Number: 810-234-2
• DSSTox Substance ID: DTXSID30479225
• Nikkaji Number: J1.466.778D
• Wikidata: Q72454166
• Mol file: 849937-96-8.mol

Synonyms:5-bromo-2,4-dichloropyridine;849937-96-8;5-Bromo-2,4-dichloro-pyridine;MFCD09031035;2,4-DICHLORO-5-BROMOPYRIDINE;SCHEMBL191637;DTXSID30479225;SGCSNJNPPSSPKZ-UHFFFAOYSA-N;BCP10173;AKOS007930820;AB49334;AC-5987;CS-W009056;GS-6623;SY029662;AM20061793;BB 0260888;FT-0653016;EN300-101261

Chemical Property of 5-Bromo-2,4-dichloropyridine

Chemical Property:

• Vapor Pressure: 0.0512mmHg at 25°C
• Melting Point: 21-22℃
• Boiling Point: 243oC at 760 mmHg
• PKA: -1.31±0.10(Predicted)
• Flash Point: 100.8oC
• PSA: 12.89000
• Density: 1.848g/cm3
• LogP: 3.15090
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• XLogP3: 3.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 224.87477
• Heavy Atom Count: 9
• Complexity: 101

Purity/Quality:

97% ^*data from raw suppliers

5-Bromo-2,4-dichloropyridine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=C(C(=CN=C1Cl)Br)Cl

Technology Process of 5-Bromo-2,4-dichloropyridine

There total 2 articles about 5-Bromo-2,4-dichloropyridine 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: 83.0%

5-bromo-2-chloropyridine (53939-30-3) → 5-bromo-2,4,-dichloropyridine (849937-96-8)

Guidance literature:

5-bromo-2-chloropyridine; With n-butyllithium; diisopropylamine; In tetrahydrofuran; hexane; at -100 ℃; for 0.75h;

With 1,1,2-Trichloro-1,2,2-trifluoroethane; In tetrahydrofuran; hexane; at -75 ℃; for 0.75h;

DOI:10.1021/jo047962z

Reference yield:

5-bromo-pyridine-2,4-diol (80791-79-3) → 5-bromo-2,4,-dichloropyridine (849937-96-8)

Guidance literature:

With trichlorophosphate; at 130 ℃;

Reference yield: 86.0%

5-bromo-2,4,-dichloropyridine (849937-96-8) + aniline (62-53-3) → 5-bromo-4-chloro-N-phenylpyridin-2-amine

Guidance literature:

With 1,1'-bis[bis(dimethylamino)phosphino]ferrocene; bis(dibenzylideneacetone)-palladium⁽⁰⁾; sodium t-butanolate; In 1,4-dioxane; at 70 ℃; for 15h; Sealed tube; Inert atmosphere;

DOI:10.1021/jacs.7b05409

upstream raw materials:

5-bromo-pyridine-2,4-diol

5-bromo-2-chloropyridine

Downstream raw materials:

5-bromo-2-chloropyridin-4-amine

4-chloro-3-(triethylsilyl)pyridine

2,4-dichloro-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine

5-bromo-2-chloro-4-methoxypyridine