2,5-Bis(4-methoxyphenyl)pyrazine

Base Information

• Chemical Name: 2,5-Bis(4-methoxyphenyl)pyrazine
• CAS No.: 24294-82-4
• Molecular Formula: C18H16N2O2
• Molecular Weight: 292.337
• DSSTox Substance ID: DTXSID00489836
• Nikkaji Number: J1.447.552D
• Wikidata: Q82333328
• Mol file: 24294-82-4.mol

Synonyms:2,5-Bis(4-methoxyphenyl)pyrazine;24294-82-4;SCHEMBL13996093;DTXSID00489836;2,5-Bis-(4-methoxy-phenyl)-pyrazine

Chemical Property of 2,5-Bis(4-methoxyphenyl)pyrazine

Chemical Property:

• XLogP3: 3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 4
• Exact Mass: 292.121177757
• Heavy Atom Count: 22
• Complexity: 291

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COC1=CC=C(C=C1)C2=CN=C(C=N2)C3=CC=C(C=C3)OC

Technology Process of 2,5-Bis(4-methoxyphenyl)pyrazine

There total 8 articles about 2,5-Bis(4-methoxyphenyl)pyrazine 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: 86.0%

(Z)-2-bromo-1-(4-methoxyphenyl)vinyl acetate (1233843-45-2) → 2,5-bis(4-methoxyphenyl)pyrazine (24294-82-4)

Guidance literature:

With ammonium formate; In N,N-dimethyl-formamide; at 120 ℃; for 6h; regioselective reaction; Schlenk technique;

DOI:10.1039/c3ob41164h

Reference yield: 75.0%

2-5-dibromopyrazine (23229-26-7) + 4-methoxyphenylboronic acid (5720-07-0) → 2,5-bis(4-methoxyphenyl)pyrazine (24294-82-4)

Guidance literature:

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium carbonate; In ethanol; toluene; at 70 ℃; for 0.5h; Microwave irradiation;

DOI:10.1016/j.dyepig.2020.108254

Reference yield: 68.0%

2-Bromo-4'-methoxyacetophenone (2632-13-5) → 2,5-bis(4-methoxyphenyl)pyrazine (24294-82-4)

Guidance literature:

With ammonium hydroxide; In water; at 105 ℃; for 0.166667h; Microwave irradiation;

upstream raw materials:

N-(4-methoxyphenacyl)-2,6-dimethylisonicotinamide

ammonia

2-chloro-1-(4-methoxyphenyl)ethanone

2-Bromo-4'-methoxyacetophenone