Phosphine, tris[p-(trimethylsilyl)phenyl]-

Base Information

• Chemical Name: Phosphine, tris[p-(trimethylsilyl)phenyl]-
• CAS No.: 18848-96-9
• Molecular Formula: C27H39 P Si3
• Molecular Weight: 478.837
• Hs Code.: 2931900090
• Mol file: 18848-96-9.mol

Synonyms:Phosphine,tris[p-(trimethylsilyl)phenyl]- (8CI); Tris[4-(trimethylsilyl)phenyl]phosphine

Chemical Property of Phosphine, tris[p-(trimethylsilyl)phenyl]-

Chemical Property:

• Vapor Pressure: 2.2E-09mmHg at 25°C
• Boiling Point: 493.1°Cat760mmHg
• Flash Point: 252°C
• PSA: 13.59000
• Density: g/cm³
• LogP: 5.08040

Purity/Quality:

Safty Information:

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MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Phosphine, tris[p-(trimethylsilyl)phenyl]-

There total 10 articles about Phosphine, tris[p-(trimethylsilyl)phenyl]- 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%

chloro-trimethyl-silane (75-77-4) + tris-para-bromophenylphosphane (29949-81-3) → tris[(p-trimethylsilyl)phenyl]phosphine (18848-96-9)

Guidance literature:

tris-para-bromophenylphosphane; With tert.-butyl lithium; In diethyl ether; hexane; at -78 ℃;

chloro-trimethyl-silane; In diethyl ether; hexane; at 20 ℃; for 15h; Further stages.;

DOI:10.1021/jo991548v

Reference yield: 75.0%

1-bromo-4-(trimethylsilyl)benzene (6999-03-7) → tris[(p-trimethylsilyl)phenyl]phosphine (18848-96-9)

Guidance literature:

1-bromo-4-(trimethylsilyl)benzene; With tert.-butyl lithium; In hexane; at 20 ℃;

With phosphorous acid trimethyl ester; In hexane; at 0 - 20 ℃; Further stages.;

DOI:10.1021/jo991548v

Reference yield:

1,4-bromoiodobenzene (589-87-7) → phenylbis[4-(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)-phenyl]phosphane + phenylbis[4-(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)phenyl]phosphine oxide + O,O-diethyl (4-bromophenyl)difluoromethylphosphonothioate (300709-26-6) + tris[(p-trimethylsilyl)phenyl]phosphine (18848-96-9)

Guidance literature:

Multi-step reaction with 2 steps

1.1: n-BuLi / hexane; pentane / 1 h / 0 °C

1.2: 83 percent / tetrahydrofuran; petroleum ether / 20 °C

2.1: t-BuLi / hexane / 15 h / 20 °C

2.2: 62 percent / PCl₃ / hexane; tetrahydrofuran / -78 - 20 °C

With n-butyllithium; tert.-butyl lithium; In hexane; pentane; 1.1: Metallation / 1.2: silylation / 2.1: Metallation / 2.2: Substitution;

DOI:10.1021/jo991548v

upstream raw materials:

[4-(trimethylsilyl)phenyl]magnesium bromide

chloro-trimethyl-silane

tris-para-bromophenylphosphane

1-bromo-4-(trimethylsilyl)benzene

Downstream raw materials:

tris-(4-trimethylsilylphenyl)-phosphinoxide

RhCl[P(C₆H₄-p-Si(CH₃)3)3]3

(η5-C5H5)Co(CO)[tris(4-methylsilylphenyl)phosphine]

(η5-C5H5)CoI2[tris(4-trimethylsilylphenyl)phosphine]

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