1,3-Diphenyl-1,3-dimethyldisiloxane

Base Information

• Chemical Name: 1,3-Diphenyl-1,3-dimethyldisiloxane
• CAS No.: 6689-22-1
• Molecular Formula: C14H18OSi2
• Molecular Weight: 258.467
• Hs Code.: 2934999090
• DSSTox Substance ID: DTXSID501293289
• Mol file: 6689-22-1.mol

Synonyms:1,3-Diphenyl-1,3-dimethyldisiloxane;6689-22-1;1,3-Dimethyl-1,3-diphenyldisiloxane;dimethyldiphenylsiloxane;Disiloxane, 1,3-dimethyl-1,3-diphenyl-,;SCHEMBL1147891;DTXSID501293289;MFCD00053850

Chemical Property of 1,3-Diphenyl-1,3-dimethyldisiloxane

Chemical Property:

• Refractive Index: 1.5282
• Boiling Point: 120℃ (2 torr)
• PSA: 9.23000
• Density: 1.09
• LogP: 1.52460
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 4
• Exact Mass: 256.07396820
• Heavy Atom Count: 17
• Complexity: 188

Purity/Quality:

97%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C[Si](C1=CC=CC=C1)O[Si](C)C2=CC=CC=C2
• Isomeric SMILES: C[Si@@](C1=CC=CC=C1)O[Si@@](C)C2=CC=CC=C2

Technology Process of 1,3-Diphenyl-1,3-dimethyldisiloxane

There total 18 articles about 1,3-Diphenyl-1,3-dimethyldisiloxane 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: 99.0%

methylphenylsilane (766-08-5,146088-00-8) → bis(phenyl methyl hydrido)disiloxane (6689-22-1)

Guidance literature:

With indium(III) bromide; oxygen; In tetrahydrofuran; at 20 ℃; for 4h;

DOI:10.1016/j.tetlet.2009.10.020

Reference yield: 83.0%

2-iodochlorobenzene (615-41-8) + chloro(methyl)phenylsilane (1631-82-9) → o-chlorophenylmethylphenylsilane (18081-04-4) + bis(phenyl methyl hydrido)disiloxane (6689-22-1)

Guidance literature:

2-iodochlorobenzene; With TurboGrignard; In tetrahydrofuran; 1,2-dimethoxyethane; at -20 ℃; Inert atmosphere;

chloro(methyl)phenylsilane; With N,N,N,N,-tetramethylethylenediamine; In tetrahydrofuran; 1,2-dimethoxyethane; at -20 - 20 ℃; Inert atmosphere;

With water; ammonium chloride; In tetrahydrofuran; 1,2-dimethoxyethane; Inert atmosphere;

DOI:10.1021/jo802433t

Reference yield: 74.0%

chloro(methyl)phenylsilane (1631-82-9) → 1,2-dimethyl-1,2-diphenyldisilane (18410-59-8) + bis(phenyl methyl hydrido)disiloxane (6689-22-1)

Guidance literature:

With Mg-anode; stainless steel cathode; In tetrahydrofuran; for 144h; Electrolysis;

DOI:10.1016/j.jorganchem.2005.08.016

upstream raw materials:

chloro(methyl)phenylsilane

methyl magnesium iodide

Ph(1-Np)SiHCl

n-butyllithium

Downstream raw materials:

cis-[trans-1,3-diphenyl-1,3-dimethyldisiloxanediyl]bis(triphenylphosphine)platinum(II)

1,3-dimethoxy-1,3-dimethyl-1,3-diphenylsiloxane

1,3-bis-[3-(2,3-epoxy-propoxy)-propyl]-1,3-dimethyl-1,3-diphenyl-disiloxane

[3-(1,3-Dimethyl-1,3-diphenyl-disiloxanyl)-propyl]-dimethyl-amine

Refernces

• 1、 Shankar, Ravi,Sharma, Asmita,Jangir, Bhawana,Chaudhary, Manchal,Kociok-K?hn, Gabriele. "Catalytic oxidation of diorganosilanes to 1,1,3,3-tetraorganodisiloxanes with gold nanoparticle assembly at the water-chloroform interface". supporting information. p. 813 - 819. Retrieved 2019/01/09.
• 2、 Murakami, Kei,Yorimitsu, Hideki,Oshima, Koichiro. "Zinc-catalyzed nucleophilic substitution reaction of chlorosilanes with organomagnesium reagents". experimental part. p. 1415 - 1417. Retrieved 2009/06/28.