1,4-bis-1,3-butadiyne

Base Information

• Chemical Name: 1,4-bis-1,3-butadiyne
• CAS No.: 79109-90-3
• Molecular Formula: C₂₆H₂₆Si₂
• Molecular Weight: 394.663
• Mol file: 79109-90-3.mol

Synonyms:1,4-bis-1,3-butadiyne

Chemical Property of 1,4-bis-1,3-butadiyne

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1,4-bis-1,3-butadiyne

There total 6 articles about 1,4-bis-1,3-butadiyne 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: 81.0%

4-(trimethylsilylethynyl)phenylacetylene (66228-76-0) → 1,4-bis-1,3-butadiyne (79109-90-3)

Guidance literature:

With N,N,N,N,-tetramethylethylenediamine; oxygen; copper(l) chloride; In acetone; at 28 ℃; for 3h;

DOI:10.1016/S0022-328X(99)00399-X

Reference yield:

1,4-Bis(trimethylsilylethynyl)benzene (17938-13-5) + tetrakis-1,3,5,7-(4-iodophenyl)adamantane → 1,3,5-(4-iodophenyl)-7-[4-(1-trimethylsilylethynyl-4-ethynyl-phenyl)phenyl]-adamantane + 1,4-bis-1,3-butadiyne (79109-90-3)

Guidance literature:

1,4-Bis(trimethylsilylethynyl)benzene; With methyllithium lithium bromide; at -78 ℃;

tetrakis-1,3,5,7-(4-iodophenyl)adamantane; With copper(l) iodide; diisopropylamine; triphenylphosphine; bis(dibenzylideneacetone)-palladium⁽⁰⁾; In tetrahydrofuran; benzene; at 20 ℃; for 24h;

DOI:10.1016/j.tet.2004.06.124

Reference yield:

1-Bromo-4-(2,2-dichloro-1-fluoro-vinyl)-benzene (58229-01-9) → 1,4-bis-1,3-butadiyne (79109-90-3)

Guidance literature:

Multi-step reaction with 3 steps

1: 1.) BuLi

2: 1.) n-BuLi, 2.) H₂O

3: 1.) TMEDA, CuCl, O₂ / acetone / 0.65 h

With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; water; oxygen; copper(l) chloride; In acetone;

DOI:10.1246/bcsj.54.2045

upstream raw materials:

4-(trimethylsilylethynyl)phenylacetylene

1,4-Bis(trimethylsilylethynyl)benzene

1,4-diethynylbenzene

1-Bromo-4-(2,2-dichloro-1-fluoro-vinyl)-benzene

Downstream raw materials:

1,4-bis(4-ethynylphenyl)buta-1,3-diyne