Bis(phenylethynyl)dimethylsilane

Base Information

• Chemical Name: Bis(phenylethynyl)dimethylsilane
• CAS No.: 2170-08-3
• Molecular Formula: C18H16Si
• Molecular Weight: 260.411
• Hs Code.: 2931900090
• European Community (EC) Number: 808-089-5
• DSSTox Substance ID: DTXSID70451823
• Nikkaji Number: J648.033K
• Wikidata: Q82272068
• Mol file: 2170-08-3.mol

Synonyms:BIS(PHENYLETHYNYL)DIMETHYLSILANE;2170-08-3;Dimethylbis(phenylethynyl)silane;Dimethyl-bis(2-phenylethynyl)silane;bisphenylethynyldimethylsilane;LRBLIVYQOCFXPX-UHFFFAOYSA-;DTXSID70451823;LRBLIVYQOCFXPX-UHFFFAOYSA-N;MFCD00270967;BS-48845;CS-0128993;D4625;T70574;InChI=1/C18H16Si/c1-19(2,15-13-17-9-5-3-6-10-17)16-14-18-11-7-4-8-12-18/h3-12H,1-2H3

Chemical Property of Bis(phenylethynyl)dimethylsilane

Chemical Property:

• Vapor Pressure: 5.32E-05mmHg at 25°C
• Melting Point: 78-81°C
• Refractive Index: 1.584
• Boiling Point: 358.3 °C at 760 mmHg
• Flash Point: 160.8 °C
• PSA: 0.00000
• Density: 1.03g/cm³
• LogP: 3.87660
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 4
• Exact Mass: 260.102127045
• Heavy Atom Count: 19
• Complexity: 368

Purity/Quality:

97% ^*data from raw suppliers

Dimethyl-bis(2-phenylethynyl)silane ^*data from reagent suppliers

Safty Information:

• Statements: 36/37/38
• Safety Statements: 26-36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C[Si](C)(C#CC1=CC=CC=C1)C#CC2=CC=CC=C2

Technology Process of Bis(phenylethynyl)dimethylsilane

There total 12 articles about Bis(phenylethynyl)dimethylsilane 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: 98.0%

dimethylsilicon dichloride (75-78-5,30107-43-8) + phenylacetylene (536-74-3) → dimethylbis(phenylethynyl)silane (2170-08-3)

Guidance literature:

With zinc; In acetonitrile; at 120 ℃; for 5h; in a sealed tube;

DOI:10.1016/0040-4039(95)00391-O

Reference yield: 98.0%

copper(I) phenylacetylenide (13146-23-1) + dimethylsilicon dichloride (75-78-5,30107-43-8) → dimethylbis(phenylethynyl)silane (2170-08-3)

Guidance literature:

With N,N,N,N,-tetramethylethylenediamine; In acetonitrile; at 100 ℃; for 12h;

DOI:10.1246/cl.1996.379

Reference yield: 92.0%

dimethylsilanediyl bis(3-phenylpropiolate) → dimethylbis(phenylethynyl)silane (2170-08-3)

Guidance literature:

With copper(l) chloride; tricyclohexylphosphine; In N,N-dimethyl-formamide; at 80 ℃; for 6h;

DOI:10.1021/acs.organomet.0c00433

upstream raw materials:

dimethylsilicon dichloride

phenylacetylene

dimethyldibromosilane

1-(trimethylstannyl)-2-phenylethyne

Downstream raw materials:

1,4-diphenyl-1,3-butadiyne

1,1-Dimethyl-4-phenyl-2-[1-phenyl-meth-(Z)-ylidene]-1,2-dihydro-silete

2,5-dilithium-3,4-diphenyl-1,1-dimethylsilole

Bis(4-phenyl-6-tert-butyl-1,2-azaphosphinine-3-yl)dimethylsilane