DI-T-BUTYLPHOSPHINE

Base Information

• Chemical Name: DI-T-BUTYLPHOSPHINE
• CAS No.: 819-19-2
• Molecular Formula: C8H19P
• Molecular Weight: 146.213
• Hs Code.: 29319090
• Mol file: 819-19-2.mol

Synonyms:Phosphine,di-tert-butyl- (7CI,8CI);Bis(tert-butyl)phosphine;Di-t-butylphosphine;

Chemical Property of DI-T-BUTYLPHOSPHINE

Chemical Property:

• Appearance/Colour: colourless liquid
• Vapor Pressure: 2.5mmHg at 25°C
• Melting Point: -17°C
• Boiling Point: 165.1 °C at 760 mmHg
• Flash Point: -1 °F
• Density: 0.79 g/mL at 25oC(lit.)
• Storage Temp.: Flammables area
• Sensitive.: air sensitive

Purity/Quality:

99.9% ^*data from raw suppliers

Di-t-butylphosphine,98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F,C,T
• Hazard Codes: F,C,T
• Statements: 17-34-48/20/22-41-40-39/23/24/25-37/38-23/24/25-11
• Safety Statements: 16-26-27-36/37/39-45

MSDS Files:

SDS file from LookChem

Useful:

• Uses: suzuki reaction

Technology Process of DI-T-BUTYLPHOSPHINE

There total 15 articles about DI-T-BUTYLPHOSPHINE 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%

Di-tert-butylphosphine (119522-06-4) + aniline (62-53-3) → di-tert-butylphosphine (819-19-2) + N1,N1-dimethyl-N2-phenylformamidine (1783-25-1)

Guidance literature:

at 80 - 100 ℃; for 1h;

Reference yield: 54.0%

[Li+*3DME][Cl((2,6-iPr2C6H3)N)2W(η2-t-Bu2PP)-] + Bromodiphenylphosphin (1079-65-8) → di-tert-butylphosphine (819-19-2) + (1,2-η-t-Bu2PPP-t-Bu2)W(2,6-i-Pr2C6H3N)2Cl + (1,2-η-t-Bu2PPP-t-Bu2)W(2,6-i-Pr2C6H3N)2Br + Tetraphenyldiphosphin (1101-41-3)

Guidance literature:

In toluene; at -40 - 20 ℃; for 24h; Schlenk technique;

DOI:10.1021/acs.inorgchem.5b01063

Reference yield: 45.0%

Di-tert-butylphosphine (119522-06-4) + diethyl malonate (105-53-3) → di-tert-butylphosphine (819-19-2) + diethyl N,N-dimethylaminomethylenemalonate (18856-68-3)

Guidance literature:

at 100 ℃; for 1h;

upstream raw materials:

methanol

Di-tert-butylphosphine

ethyl acetoacetate

aniline

Downstream raw materials:

Acetyl-di-tert.-butyl-phosphin

1-Di-tert-butylphosphino-1-acetoxyethylen

1,5-bis(di-tert-butylphosphino)pentane

1.1-Diisobutyl-2.2-diphenyldiphosphin

Refernces

New superhindered polydentate polyphosphine ligands P(CH₂CH ₂P^tBu₂)₃, PhP(CH₂CH ₂P^tBu₂)₂, P(CH₂CH ₂CH₂P^tBu₂)₃, and their ruthenium(II) chloride complexes

10.1021/ic2027169

This study focuses on the synthesis and characterization of highly hindered phosphine ligands and their ruthenium(II) chloride complexes. The aim is to explore the effect of increasing steric bulk on multidentate phosphines by synthesizing and characterizing new ligands and their complexes. The key chemicals used include P(CH2CH2PtBu2)3 (P2P3 tBu), PhP(CH2CH2PtBu2)2 (PhP2P2 tBu), and P(CH2CH2CH2PtBu2)3 (P3P3 tBu), as well as ruthenium(II) chloride. Di(tert-butyl)phosphine is the reactant used in the synthesis of the phosphine ligands. Trivinylphosphine is the reactant used in the synthesis of P2P3 tBu. Diethoxyphenylphosphine is the reactant used in the synthesis of divinylphenylphosphine. The study concludes that these macromolecular ligands are the most sterically hindered of the PP3-type ligands synthesized to date, and they can only bind to ruthenium through three of the four phosphine donors, leaving one as a free cantilever. Solid-state NMR analysis shows that the structure of RuCl2(P2P3 tBu) is similar to that of RuCl2(PhP2P2 tBu), which has been structurally characterized.