4,4'-Bis(triethoxysilyl)-1,1'-biphenyl

Base Information

• Chemical Name: 4,4'-Bis(triethoxysilyl)-1,1'-biphenyl
• CAS No.: 123640-93-7
• Molecular Formula: C24H38 O6 Si2
• Molecular Weight: 478.733
• European Community (EC) Number: 628-157-6
• DSSTox Substance ID: DTXSID60565963
• Nikkaji Number: J1.281.139J
• Wikidata: Q82451338
• Mol file: 123640-93-7.mol

Synonyms:4,4'-Bis(triethoxysilyl)-1,1'-biphenyl;123640-93-7;4,4'-Bis(triethoxysilyl)biphenyl;4 4'-BIS(TRIETHOXYSILYL)-1 1'-BIPHENYL;triethoxy-[4-(4-triethoxysilylphenyl)phenyl]silane;1,1'-Biphenyl, 4,4'-bis(triethoxysilyl)-;SCHEMBL545299;Silane, [1,1'-biphenyl]-4,4'-diylbis[triethoxy-;DTXSID60565963;MFCD06798075;4,4-Bis(triethoxysilyl)biphenyl,95%;AKOS016014638;AM808128;AS-76022;4,4'-Bis(triethoxysilyl)-1,1'-biphenyl, 95%;([1,1'-Biphenyl]-4,4'-diyl)bis(triethoxysilane);4 4/'-BIS(TRIETHOXYSILYL)-1 1/'-BIPHENYL;4,4?-Bis(triethoxysilyl)-1,1?-biphenyl,4,4?-Bis(triethoxysilyl)biphenyl

Chemical Property of 4,4'-Bis(triethoxysilyl)-1,1'-biphenyl

Chemical Property:

• Refractive Index: 1.5039
• Boiling Point: 203-206oC0.3 mm Hg(lit.)
• Flash Point: >230 °F
• PSA: 55.38000
• Density: 1.047 g/mL at 25oC(lit.)
• LogP: 3.86440
• Storage Temp.: Inert atmosphere,Room Temperature
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 15
• Exact Mass: 478.22069200
• Heavy Atom Count: 32
• Complexity: 415

Purity/Quality:

99%, ^*data from raw suppliers

4,4′-Bis(triethoxysilyl)-1,1′-biphenyl 95% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCO[Si](C1=CC=C(C=C1)C2=CC=C(C=C2)[Si](OCC)(OCC)OCC)(OCC)OCC
• Uses: suzuki reaction 4,4′-Bis(triethoxysilyl)-1,1′-biphenyl (BTESB) can be used as an indicator to determine the chirality of helical silica nanotubes. BTESB can also be utilized as a precursor to prepare: Helical 4, 4′-biphenylene-silica nanotubes and nanoribbons using 3-aminopropyltrimethoxysilane as a co-structure-directing agent. Biphenyl-bridged alkoxysilane-based crosslinked polyalkoxysilane by condensation with linear aliphatic diols. Biphenylene-bridged silsesquioxane thin films by the sol-gel method.

Technology Process of 4,4'-Bis(triethoxysilyl)-1,1'-biphenyl

There total 1 articles about 4,4'-Bis(triethoxysilyl)-1,1'-biphenyl 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: 34.0%

tetraethoxy orthosilicate (78-10-4) + 4-(4-bromophenyl)bromobenzene (92-86-4) → 4,4'-bis(triethoxysilyl)-1,1'-biphenyl (123640-93-7)

Guidance literature:

With magnesium; In tetrahydrofuran; at 75 ℃; for 120h;

DOI:10.1021/ja00043a014

Reference yield: 60.0%

1.4-dibromobenzene (106-37-6) + 4,4'-bis(triethoxysilyl)-1,1'-biphenyl (123640-93-7) → 4,4'-bis(tris(4-bromophenyl)silyl)-1,1'-biphenyl

Guidance literature:

1.4-dibromobenzene; With n-butyllithium; In diethyl ether; at -78 ℃; for 1.25h; Inert atmosphere;

4,4'-bis(triethoxysilyl)-1,1'-biphenyl; In diethyl ether; for 12h; Inert atmosphere; Cooling;

DOI:10.1016/j.chempr.2018.10.005

upstream raw materials:

tetraethoxy orthosilicate

4-(4-bromophenyl)bromobenzene

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