1,2-BIS(DIBENZYLPHOSPHINO)ETHANE

Base Information

• Chemical Name: 1,2-BIS(DIBENZYLPHOSPHINO)ETHANE
• CAS No.: 23743-25-1
• Molecular Formula: C₃₀H₃₂P₂
• Molecular Weight: 454.532
• Hs Code.: 2902909090
• Mol file: 23743-25-1.mol

Synonyms:Phosphine,1,2-ethanediylbis[bis(phenylmethyl)- (9CI); Phosphine, ethylenebis[dibenzyl-(6CI,8CI); 1,2-Bis(dibenzylphosphino)ethane; 1,2-Ethylenebis(dibenzylphosphine)

Chemical Property of 1,2-BIS(DIBENZYLPHOSPHINO)ETHANE

Chemical Property:

• Vapor Pressure: 5.36E-14mmHg at 25°C
• Boiling Point: 606.2°C at 760 mmHg
• Flash Point: 341.6°C
• PSA: 27.18000
• LogP: 8.75100

Purity/Quality:

98%,99%, ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,2-BIS(DIBENZYLPHOSPHINO)ETHANE

There total 4 articles about 1,2-BIS(DIBENZYLPHOSPHINO)ETHANE 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:

1,2-dichloro-ethane (107-06-2,52399-93-6) + tribenzylphosphine (7650-89-7) → tetra-P-benzyl-P,P'-ethanediyl-di-phosphine (23743-25-1)

Guidance literature:

With lithium; In tetrahydrofuran; at 0 ℃; for 0.5h;

DOI:10.1039/a706277j

Reference yield:

bis-1,2-tribenzylphosphonium ethane dibromide (122703-97-3) → tetra-P-benzyl-P,P'-ethanediyl-di-phosphine (23743-25-1)

Guidance literature:

With lithium aluminium tetrahydride;

Reference yield:

tribenzylphosphine (7650-89-7) → tetra-P-benzyl-P,P'-ethanediyl-di-phosphine (23743-25-1)

Guidance literature:

Multi-step reaction with 2 steps

2: LiAlH₄

With lithium aluminium tetrahydride;

upstream raw materials:

bis-1,2-tribenzylphosphonium ethane dibromide

1,2-dichloro-ethane

tribenzylphosphine

Downstream raw materials:

1,1,4,4-tetrabenzyl-1,4-diphosphoniocyclohexane dibromide

trans-[Ru(H)(Cl)((C₆H₅CH₂)2PCH₂CH₂P(CH₂C₆H₅)2)2]

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