1,2-bis(3-ethynylphenyl)diazene

Base Information

• Chemical Name: 1,2-bis(3-ethynylphenyl)diazene
• CAS No.: 137024-35-2
• Molecular Formula: C₁₆H₁₀N₂
• Molecular Weight: 230.269
• Mol file: 137024-35-2.mol

Synonyms:1,2-bis(3-ethynylphenyl)diazene

Chemical Property of 1,2-bis(3-ethynylphenyl)diazene

Chemical Property:

Purity/Quality:

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MSDS Files:

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Technology Process of 1,2-bis(3-ethynylphenyl)diazene

There total 4 articles about 1,2-bis(3-ethynylphenyl)diazene 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: 91.3%

1,2-bis[3-[2-(trimethylsilyl)ethynyl]phenyl]diazene → 1,2-bis(3-ethynylphenyl)diazene (137024-35-2)

Guidance literature:

With potassium hydroxide; In tetrahydrofuran; methanol; water; at 20 ℃; for 2h; Inert atmosphere; Schlenk technique;

DOI:10.1021/acs.inorgchem.6b01509

Reference yield: 90.0%

3-acetylenephenylamine (54060-30-9) → 1,2-bis(3-ethynylphenyl)diazene (137024-35-2)

Guidance literature:

With [bis(acetoxy)iodo]benzene; In dichloromethane; at 20 - 25 ℃; for 2h;

DOI:10.1016/j.tet.2012.07.012

Reference yield: 37.0%

3-nitrophenylacetylene (3034-94-4) → 1,2-bis(3-ethynylphenyl)diazene (137024-35-2) + 3-acetylenephenylamine (54060-30-9)

Guidance literature:

With Ru/C; sodium hydroxide; In tetrahydrofuran; ethanol; at 100 ℃; for 24h; Microwave irradiation;

DOI:10.1002/adsc.201200356

upstream raw materials:

3-acetylenephenylamine

3-nitrophenylacetylene

1,2-bis(3-iodophenyl)diazene

Refernces

• 1、 Sogawa, Hiromitsu,Shiotsuki, Masashi,Sanda, Fumio. "Synthesis and photoresponse of helically folded poly(phenyleneethynylene)s bearing azobenzene moieties in the main chains". . p. 4378 - 4387. Retrieved 2013.
• 2、 Ma, Hengchang,Wang, Feng,Li, Wenfeng,Ma, Yuan,Yao, Xiaoqiang,Lu, Dedai,Yang, Yaoxia,Zhang, Zhe,Lei, Ziqiang. "Supramolecular assemblies of azobenzene-β-cyclodextrin dimers and azobenzene modified polycaprolactones". . p. 722 - 728. Retrieved 2014.