2-Bromo-5,6-dimethoxy-3-nitropyridine

Base Information

• Chemical Name: 2-Bromo-5,6-dimethoxy-3-nitropyridine
• CAS No.: 79491-48-8
• Molecular Formula: C₇H₇BrN₂O₄
• Molecular Weight: 263.048
• DSSTox Substance ID: DTXSID10509115
• Wikidata: Q72454799
• Mol file: 79491-48-8.mol

Synonyms:2-BROMO-5,6-DIMETHOXY-3-NITROPYRIDINE;79491-48-8;Pyridine, 2-broMo-5,6-diMethoxy-3-nitro-;SCHEMBL3735675;DTXSID10509115;FVBNYAYTCCNKSG-UHFFFAOYSA-N;FT-0723547;A904317

Chemical Property of 2-Bromo-5,6-dimethoxy-3-nitropyridine

Chemical Property:

• Melting Point: 142-143 °C(Solv: methanol (67-56-1))
• Boiling Point: 312.9±37.0 °C(Predicted)
• PKA: -6.85±0.10(Predicted)
• PSA: 77.17000
• Density: 1.657
• LogP: 2.29270
• XLogP3: 2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 2
• Exact Mass: 261.95892
• Heavy Atom Count: 14
• Complexity: 210

Purity/Quality:

97% ^*data from raw suppliers

2-Bromo-5,6-dimethoxy-3-nitropyridine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COC1=C(N=C(C(=C1)[N+](=O)[O-])Br)OC

Technology Process of 2-Bromo-5,6-dimethoxy-3-nitropyridine

There total 6 articles about 2-Bromo-5,6-dimethoxy-3-nitropyridine 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: 95.0%

2,6-dibromo-3-methoxy-5-nitropyridine (79491-46-6) → 2-bromo-5,6-dimethoxy-3-nitropyridine (79491-48-8)

Guidance literature:

With sodium methylate; In methanol; for 20h;

Reference yield: 89.0%

sodium methylate (124-41-4) + 2,6-dibromo-3-methoxy-5-nitropyridine (79491-46-6) → 2-bromo-5,6-dimethoxy-3-nitropyridine (79491-48-8)

Guidance literature:

In methanol; at 20 ℃; for 1h;

Reference yield: 83.0%

methanol (67-56-1) + 2,6-dibromo-3-methoxy-5-nitropyridine (79491-46-6) → 2-bromo-5,6-dimethoxy-3-nitropyridine (79491-48-8)

Guidance literature:

With sodium methylate; at 20 ℃; for 16h;

DOI:10.1016/j.bmcl.2014.10.085

upstream raw materials:

2,6-dibromo-3-methoxy-5-nitropyridine

3-HYDROXYPYRIDINE

2,6-dibromopyridin-3-ol

2,6-dibromo-3-methoxylpyridine

Downstream raw materials:

3-amino-5,6-dimethoxypyridine