Tris(4-methylphenyl)(phenyl)silane

Base Information

• Chemical Name: Tris(4-methylphenyl)(phenyl)silane
• CAS No.: 18870-40-1
• Molecular Formula: C27H26Si
• Molecular Weight: 378.5808
• NSC Number: 33019
• DSSTox Substance ID: DTXSID00283699
• Wikidata: Q82018366
• Mol file: 18870-40-1.mol

Synonyms:18870-40-1;tris(4-methylphenyl)(phenyl)silane;phenyltri(p-tolyl)silane;NSC33019;DTXSID00283699;NSC-33019;AKOS024433581

Chemical Property of Tris(4-methylphenyl)(phenyl)silane

Chemical Property:

• Vapor Pressure: 2.01E-08mmHg at 25°C
• Refractive Index: 1.618
• Boiling Point: 466.2 °C at 760 mmHg
• Flash Point: 222.6 °C
• Density: 1.07 g/cm³
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 4
• Exact Mass: 378.180377364
• Heavy Atom Count: 28
• Complexity: 400

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC=C(C=C1)[Si](C2=CC=CC=C2)(C3=CC=C(C=C3)C)C4=CC=C(C=C4)C

Technology Process of Tris(4-methylphenyl)(phenyl)silane

There total 2 articles about Tris(4-methylphenyl)(phenyl)silane 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: 75.0%

para-bromotoluene (106-38-7) + Phenyltrichlorosilane (98-13-5) → phenyltri-p-tolylsilane (18870-40-1)

Guidance literature:

para-bromotoluene; With n-butyllithium; In diethyl ether; at 0 ℃; for 4h; Inert atmosphere;

Phenyltrichlorosilane; In diethyl ether; at 20 ℃; Inert atmosphere;

DOI:10.1021/acs.inorgchem.6b00582

Reference yield: 44.0%

p-tolyllithium (2417-95-0) + Phenyltrichlorosilane (98-13-5) → phenyltri-p-tolylsilane (18870-40-1)

Guidance literature:

In diethyl ether; for 15h; Ambient temperature;

DOI:10.1016/0022-328X(93)80065-J

Reference yield: 50.0%

phenyltri-p-tolylsilane (18870-40-1) → 4,4′,4″-(phenylsilanetriyl)tribenzoic acid (61414-17-3)

Guidance literature:

With pyridine; potassium permanganate; In water; at 20 - 95 ℃; for 16h;

DOI:10.1021/ol301734a

upstream raw materials:

p-tolyllithium

Phenyltrichlorosilane

para-bromotoluene

Downstream raw materials:

4,4',4''-(phenylsilanetriyl)tribenzoyl chloride

4,4′,4″-(phenylsilanetriyl)tribenzoic acid

5,5',5''-((phenylsilanetriyl)tris(benzene-4,1-diyl))tris(2-phenyl-1,3,4-oxadiazole)

Refernces

• 1、 Charisse, Michael,Gauthey, Valerie,Draeger, Martin. "Ueber Tetraaryl-Methan-Analoga in der Gruppe 14. II. Ph4-nSi-p-Toln und Ph4-nSn-p-Toln (n = 0 bis 4): Einfluss der p-Tolyl-Substituenten auf Struktur und NMR-chemische Verschiebungen". . p. 47 - 53. Retrieved 2007/10/02.