2,5-Bis(phenylethynyl)-1,4-dibromobenzene

Base Information

• Chemical Name: 2,5-Bis(phenylethynyl)-1,4-dibromobenzene
• CAS No.: 97094-33-2
• Molecular Formula: C₂₂H₁₂Br₂
• Molecular Weight: 436.145
• Mol file: 97094-33-2.mol

Synonyms:((2,5-dibromo-1,4-phenylene)bis(ethyne-2,1-diyl))dibenzene

Chemical Property of 2,5-Bis(phenylethynyl)-1,4-dibromobenzene

Chemical Property:

Purity/Quality:

99.0% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,5-Bis(phenylethynyl)-1,4-dibromobenzene

There total 3 articles about 2,5-Bis(phenylethynyl)-1,4-dibromobenzene 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: 92.0%

1,4-dibromo-2,5-diiodobenzene (63262-06-6) + phenylacetylene (536-74-3) → ((2,5-dibromo-1,4-phenylene)bis(ethyne-2,1-diyl))dibenzene (97094-33-2)

Guidance literature:

1,4-dibromo-2,5-diiodobenzene; With bis-triphenylphosphine-palladium(II) chloride; triethylamine; In tetrahydrofuran; at 20 ℃; for 0.166667h; Schlenk technique; Inert atmosphere;

phenylacetylene; With copper(l) iodide; In tetrahydrofuran; at 20 ℃; for 2h; Schlenk technique; Inert atmosphere;

DOI:10.1002/chem.202102134

Reference yield:

1.4-dibromobenzene (106-37-6) → ((2,5-dibromo-1,4-phenylene)bis(ethyne-2,1-diyl))dibenzene (97094-33-2)

Guidance literature:

Multi-step reaction with 2 steps

1: I₂; H₂SO₄ / 120 - 135 °C

With sulfuric acid; iodine; 2: Sonogashira reaction;

DOI:10.1016/j.tetlet.2005.09.107

Reference yield:

→ ((2,5-dibromo-1,4-phenylene)bis(ethyne-2,1-diyl))dibenzene (97094-33-2)

Guidance literature:

upstream raw materials:

1,4-dibromo-2,5-diiodobenzene

phenylacetylene

1.4-dibromobenzene

Downstream raw materials:

1,1'-(2,5-dibromo-1,4-phenylene)bis(2-phenylethanedione)

(2,5-bis(phenylethynyl)-1,4-phenylene)bis(methylsulfane)

1,4-bis(phenylethynyl)-2,5-bis(diphenylhydroxymethyl)benzene