dppm(AuBr)2

Base Information

• Chemical Name: dppm(AuBr)2
• CAS No.: 72476-68-7
• Molecular Formula: C25H22Au2Br2P2
• Molecular Weight: 938.130802
• Mol file: 72476-68-7.mol

Synonyms:[(Diphenylphosphino)methyl] (diphenyl)phosphine compound with bromogold (1:2);Bis(bromogold(I)) bis(diphenylphosphino)methane;Bis(diphenylphosphino)methane bis(gold(I) bromide);dppm(AuBr)2

Chemical Property of dppm(AuBr)2

Chemical Property:

• Melting Point: 275-278°C
• PSA: 27.18000
• LogP: -0.78730

Purity/Quality:

Bis(bromogold(I)) bis(diphenylphosphino)methane ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of dppm(AuBr)2

There total 8 articles about dppm(AuBr)2 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: 86.0%

(bis(diphenylphosphino)methane)bis(chlorogold(I)) (37095-27-5) + potassium bromide (7558-02-3,7758-02-3) → μ-{bis(diphenylphosphino)methane}-dibromodigold(I) (72476-68-7)

Guidance literature:

In dichloromethane; water; (N2); soln. of KBr (10 equiv.) in H2O was added to soln. of Au complex (1 equiv.) in CH2Cl2; mixt. was stirred for 3 h; aq. phase septd.; extd. (CH2Cl2); combined org. phases washed (H2O); dried (MgSO4); concd. (vac.); pentane added; filtered; dried (vac.); recrystd. (CH2Cl2/pentane); elem. anal.;

DOI:10.1039/b403005b

Reference yield: 80.0%

[Au2(μ-(PPh2)2CH2)2](ClO4)2 + ((P(C6H5)3)2N)(1+)*(AuBr2)(1-)=((P(C6H5)3)2N)(AuBr2) → μ-{bis(diphenylphosphino)methane}-dibromodigold(I) (72476-68-7)

Guidance literature:

In dichloromethane; byproducts: [N(PPh3)2]ClO4; molar ratio Au2-dppm complex:AuBr2(1-) complex=1:2, stirring (room temp., 3 h); concn., pptn. on Et2O addn.;

DOI:10.1039/DT9950001255

Reference yield:

bis-diphenylphosphinomethane (2071-20-7) → μ-{bis(diphenylphosphino)methane}-dibromodigold(I) (72476-68-7)

Guidance literature:

Multi-step reaction with 2 steps

1: tetrahydrofuran

2: water

In tetrahydrofuran; water;

upstream raw materials:

sodium tetrachloroaurate(III)

bis-diphenylphosphinomethane

lithium bromide

(bis(diphenylphosphino)methane)bis(chlorogold(I))

Downstream raw materials:

[Au3Br2(μ-DPPM)2]ClO4

[Au2(μ-8-thiotheophyllinate(2-))(μ-bis(diphenylphosphino)methane)]

bis(diphenylphosphoryl)methane