Tetrakis(4-ethynylphenyl)methane

Base Information

• Chemical Name: Tetrakis(4-ethynylphenyl)methane
• CAS No.: 177991-01-4
• Molecular Formula: C33H20
• Molecular Weight: 416.522
• European Community (EC) Number: 967-674-4
• Nikkaji Number: J1.081.297F
• Mol file: 177991-01-4.mol

Synonyms:tetrakis(4-ethynylphenyl)methane;177991-01-4;Benzene, 1,1',1'',1'''-methanetetrayltetrakis[4-ethynyl-;1-ETHYNYL-4-[TRIS(4-ETHYNYLPHENYL)METHYL]BENZENE;YSZC226;CHA99101;MFCD24873189;AKOS025149161;AS-70127;CS-0111132;T3151;L10196;10.14272/JGUCYLISNORQFW-UHFFFAOYSA-N.1;doi:10.14272/JGUCYLISNORQFW-UHFFFAOYSA-N.1

Chemical Property of Tetrakis(4-ethynylphenyl)methane

Chemical Property:

• Melting Point: 300°C(dec.)(lit.)
• Boiling Point: 537.0±50.0 °C(Predicted)
• PSA: 0.00000
• Density: 1.17±0.1 g/cm3(Predicted)
• LogP: 5.99450
• XLogP3: 8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 8
• Exact Mass: 416.156500638
• Heavy Atom Count: 33
• Complexity: 685

Purity/Quality:

97% ^*data from raw suppliers

Tetrakis(4-ethynylphenyl)methane >98.0%(GC) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C#CC1=CC=C(C=C1)C(C2=CC=C(C=C2)C#C)(C3=CC=C(C=C3)C#C)C4=CC=C(C=C4)C#C

Technology Process of Tetrakis(4-ethynylphenyl)methane

There total 14 articles about Tetrakis(4-ethynylphenyl)methane 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: 96.0%

tetrakis(4-((trimethylsilyl)ethynyl)phenyl)methane (177991-00-3) → tetrakis(4-ethynylphenyl)methane (177991-01-4)

Guidance literature:

With methanol; potassium carbonate; In tetrahydrofuran; at 20 ℃; for 1h; Inert atmosphere;

DOI:10.1002/cplu.201800214

Reference yield: 74.0%

tetrakis[4-(3-hydroxy-3-methyl-1-butyn-1-yl)phenyl]methane → tetrakis(4-ethynylphenyl)methane (177991-01-4)

Guidance literature:

With sodium; In isopropyl alcohol; for 6h; Inert atmosphere; Reflux;

DOI:10.1039/b904889h

Reference yield: 72.0%

tetrakis(4-iodophenyl)methane (134080-67-4) + trimethylsilylacetylene (1066-54-2) → tetrakis(4-ethynylphenyl)methane (177991-01-4)

Guidance literature:

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; In N,N-dimethyl-formamide; at 35 ℃; for 15h; Inert atmosphere;

DOI:10.1055/a-1695-0820

upstream raw materials:

tetrakis(4-((trimethylsilyl)ethynyl)phenyl)methane

tetrakis(4-bromophenyl)methane

tetrakis(4-iodophenyl)methane

tetraphenylmethane

Downstream raw materials:

C₇₇H₆₈Si₄