4-Bromo-3-chloropyridine

Base Information

• Chemical Name: 4-Bromo-3-chloropyridine
• CAS No.: 73583-41-2
• Molecular Formula: C5H3BrClN
• Molecular Weight: 192.443
• Hs Code.: 2933399090
• European Community (EC) Number: 836-799-5
• DSSTox Substance ID: DTXSID50376580
• Wikidata: Q72453361
• Mol file: 73583-41-2.mol

Synonyms:4-Bromo-3-chloropyridine;73583-41-2;PYRIDINE, 4-BROMO-3-CHLORO-;MFCD04112577;3-Chloro-4-bromopyridine;SCHEMBL505164;DTXSID50376580;CXXVUKYIBWZKHL-UHFFFAOYSA-N;BBL101348;STL555144;4-Bromo-3-chloropyridine, AldrichCPR;AKOS005145580;AB17643;AM62342;CS-W018730;AC-24909;AS-14930;SY017769;A9487;FT-0648093;EN300-112963;W-203679

Chemical Property of 4-Bromo-3-chloropyridine

Chemical Property:

• Appearance/Colour: Light yellow cryst.
• Vapor Pressure: 0.173mmHg at 25°C
• Refractive Index: 1.581
• Boiling Point: 219.8 °C at 760 mmHg
• PKA: 2.13±0.10(Predicted)
• Flash Point: 86.7 °C
• PSA: 12.89000
• Density: 1.736 g/cm³
• LogP: 2.49750
• Storage Temp.: Inert atmosphere,Store in freezer, under -20°C
• XLogP3: 2.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 190.91374
• Heavy Atom Count: 8
• Complexity: 78.8

Purity/Quality:

99% ^*data from raw suppliers

4-Bromo-3-chloropyridine ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T
• Hazard Codes: T
• Statements: 25-37/38-41
• Safety Statements: 26-39-45

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CN=CC(=C1Br)Cl

Technology Process of 4-Bromo-3-chloropyridine

There total 2 articles about 4-Bromo-3-chloropyridine 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:

3-Chloropyridine (626-60-8) → bromo-4 chloro-3 pyridine (73583-41-2)

Guidance literature:

With bromine; lithium diisopropyl amide; Yield given. Multistep reaction; 1.) THF, hexane, -78 deg C, 30 min, 2.) THF, hexane, -75 deg C to RT;

Reference yield:

→ bromo-4 chloro-3 pyridine (73583-41-2)

Guidance literature:

3-Chlor-4-nitro-pyridin-N-oxyd, PBr3, sd. CHCl3, 30 min;

Reference yield: 100.0%

bromo-4 chloro-3 pyridine (73583-41-2) + 4-amino-phenol (123-30-8) → 4-((3-chloropyridin-4-yl)oxy)aniline

Guidance literature:

4-amino-phenol; With potassium tert-butylate; In N,N-dimethyl acetamide; at 20 ℃; for 0.5h;

bromo-4 chloro-3 pyridine; In N,N-dimethyl acetamide; at 85 ℃; for 4h;

DOI:10.1021/acs.jmedchem.0c02093

upstream raw materials:

3-Chloropyridine

Downstream raw materials:

3-Chloropyridine

2-bromo-3-chloropyridine

bromo-3 chloro-5 deuterio-4 pyridine

3-chloro-4-ethynylpyridine

Refernces