1,2-Bis(di-2-pyridylphosphino)ethane,min.98%

Base Information

• Chemical Name: 1,2-Bis(di-2-pyridylphosphino)ethane,min.98%
• CAS No.: 106308-26-3
• Molecular Formula: C22H20 N4 P2
• Molecular Weight: 402.37
• Hs Code.: 2933399090
• Mol file: 106308-26-3.mol

Synonyms:1,2-Bis(di-2-pyridylphosphino)ethane;1,2-Bis[bis(2-pyridyl)phosphino]ethane

Chemical Property of 1,2-Bis(di-2-pyridylphosphino)ethane,min.98%

Chemical Property:

• Melting Point: 134-135 °C(Solv: acetone (67-64-1))
• Boiling Point: 576.7±45.0 °C(Predicted)
• PKA: 2.85±0.19(Predicted)
• PSA: 78.74000
• LogP: 2.83220
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

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

1,2-Bis(di-2-pyridylphosphino)ethane, min. 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,2-Bis(di-2-pyridylphosphino)ethane,min.98%

There total 2 articles about 1,2-Bis(di-2-pyridylphosphino)ethane,min.98% 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:

2-bromo-pyridine (109-04-6) + 1,2-bis(dichlorophosphino)ethane (28240-69-9) + ammonium chloride → 1,2-Bis(di-pyridin-2-ylphosphino)ethane (106308-26-3)

Guidance literature:

With n-butyllithium; In diethyl ether; hexane; chloroform; acetone;

Reference yield:

2-bromo-pyridine (109-04-6) + 1,2-bis(dichlorophosphino)ethane (28240-69-9) → 1,2-Bis(di-pyridin-2-ylphosphino)ethane (106308-26-3)

Guidance literature:

With n-butyllithium; Yield given. Multistep reaction; 1.) ether/hexane, -72 deg C, 5 h, 2.) ether/hexane, -72 deg C -> r.t., 30 min;

DOI:10.1016/S0022-328X(97)00722-5

Reference yield: 43.0%

1,2-Bis(di-pyridin-2-ylphosphino)ethane (106308-26-3) + nickel dibromide (13462-88-9) → NiBr2((C5NH4)2PCH2CH2P(C5NH4)2)*C6H5CH3 (167638-78-0)

Guidance literature:

In methanol; toluene; methanolic soln. of phosphine adding to toluene slurry of Ni salt (N2 atmosphere), stirring (50°C, 0.5 h); solvent removing under vacuum, residue dissolving in CHCl3, filtering, soln. evaporating; elem. anal.;

DOI:10.1016/0020-1693(95)90070-M

upstream raw materials:

2-bromo-pyridine

1,2-bis(dichlorophosphino)ethane

Downstream raw materials:

NiBr₂((C₅NH₄)2PCH₂CH₂P(C₅NH₄)2)*C₆H₅CH₃

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