2,2'-Diethynylbiphenyl

Base Information

• Chemical Name: 2,2'-Diethynylbiphenyl
• CAS No.: 18442-29-0
• Molecular Formula: C16H10
• Molecular Weight: 202.255
• Hs Code.: 2902909090
• Mol file: 18442-29-0.mol

Synonyms:2,2'-DIETHYNYL-1,1'-BIPHENYL;1,1'-Biphenyl,2,2'-diethynyl;2,2'-diethynylbiphenyl;2,2'-diethinyldiphenyl;

Chemical Property of 2,2'-Diethynylbiphenyl

Chemical Property:

• Boiling Point: 348oC at 760 mmHg
• Flash Point: 156.5oC
• PSA: 0.00000
• Density: 1.09g/cm3
• LogP: 3.31620

Purity/Quality:

99% ^*data from raw suppliers

2,2'-Diethynyl-1,1'-biphenyl 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,2'-Diethynylbiphenyl

There total 11 articles about 2,2'-Diethynylbiphenyl 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: 100.0%

2,2′-bis[(trimethylsilyl)ethynyl]biphenyl (18238-34-1) → 2,2′-bis(ethynyl)-1,1′-biphenyl (18442-29-0)

Guidance literature:

With methanol; potassium carbonate; Inert atmosphere; Schlenk technique;

DOI:10.1002/chem.201504937

Reference yield: 78.0%

2,2'-bis(2,2-dibromoethenyl)biphenyl (841244-84-6) → 2,2′-bis(ethynyl)-1,1′-biphenyl (18442-29-0)

Guidance literature:

With lithium diisopropyl amide; In tetrahydrofuran; at -78 - 20 ℃;

DOI:10.1002/ejoc.200600675

Reference yield: 41.0%

dimethyl 1-(1-diazo-2-oxopropyl)phosphonate (90965-06-3) + Biphenyl-2,2'-dicarbaldehyde (1210-05-5) → 2,2′-bis(ethynyl)-1,1′-biphenyl (18442-29-0)

Guidance literature:

With potassium carbonate; In tetrahydrofuran; methanol; at 20 ℃; for 16h;

DOI:10.1021/ja106599j

upstream raw materials:

2,2'-divinylbiphenyl

2,2'-diacetylbiphenyl

2,2′-bis[(trimethylsilyl)ethynyl]biphenyl

2,2'-bis(2,2-dibromoethenyl)biphenyl

Downstream raw materials:

9,10,15,16-Tetradehydro-11,12,13,14-tetrahydro-dibenzocyclododecen

C₂₁H₁₈

C₆₈H₄₂

C₅₆H₅₀

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