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7688-25-7

  • Product Name1,4-Bis(diphenylphosphino)butane
  • Molecular FormulaC28H28P2
  • Molecular Weight426.5
  • Purity99%
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Product Details

Quick Details

  • CasNo： 7688-25-7
  • Molecular Formula： C28H28P2
  • Purity： 99%

Industrial Grade 1,4-Bis(diphenylphosphino)butane 7688-25-7 Crystalline Powder

  • Molecular Formula:C28H28P2
  • Molecular Weight:426.478
  • Appearance/Colour:white to light yellow crystal powder 
  • Vapor Pressure:2.92E-11mmHg at 25°C 
  • Melting Point:132-136 °C(lit.) 
  • Boiling Point:542 °C at 760 mmHg 
  • Flash Point:299.5 °C 
  • PSA：27.18000 
  • LogP:6.03240 

1,4-Bis(diphenylphosphino)butane(Cas 7688-25-7) Usage

Description

 1,4-Bis(diphenylphosphino)butane (dppb) is an organophosphorus compound.

Uses

suzuki reaction. Employed as a ligand in Pd(0)-catalyzed acylcyanation of arylacetylenes and deprotection of allyloxycarbamates.
Handling, Storage, and Precautions Readily oxidized in solution to the phosphine oxide and should be handled under N2 or Ar. The compound is air-stable in the solid state.

Purification Methods

Recrystallise it from EtOH [Trippett J Chem Soc 4263 1961]. [King J Coord Chem 1 62 1971, Tolman Chem Rev 77 313 1977.]

InChI:InChI=1/C28H28P2/c1-5-15-25(16-6-1)29(26-17-7-2-8-18-26)23-13-14-24-30(27-19-9-3-10-20-27)28-21-11-4-12-22-28/h1-12,15-22H,13-14,23-24H2

7688-25-7 Relevant articles

An efficient synthetic route of quinoxalines from diols catalyzed by [RuCl2 (p-cymene)] 2/1, 4-bis (diphenylphosphino) butane

P Zeng, X Li, L Li, C Liang, J Zhang, T Peng

Journal of Organometallic Chemistry Volume 993, 1 July 2023, 122713

An efficient and convenient homogeneous catalytic system is developed from commercially available Ru complex ([Ru(p-cymene)Cl 2 ] 2 ) and 1,4-bis(diphenylphosphino)butane (dppb…

Reactions of D2 with 1,4‐Bis(diphenylphosphino) butane‐Stabilized Metal Nanoparticles‐A Combined Gas‐phase NMR, GC‐MS and Solid‐state NMR Study

Niels Rothermel, Tobias Röther, Dr. Tu?çe Ayval?, Dr. Luis M. Martínez-Prieto, Dr. Karine Philippot, Prof. Dr. Hans-Heinrich Limbach, Dr. Bruno Chaudret, Dr. Torsten Gutmann, Prof. Dr. Gerd Buntkowsky

The European Society Journal for Catalysis,Volume11, Issue5 March 6, 2019 Pages 1465-1471

The reactions of three metal nanoparticle (MNP) systems Ru/dppb, RuPt/dppb, Pt/dppb (dppb=1,4-bis(diphenylphosphino)butane) with gaseous D2 at room temperature and different gas pressures have been studied using 1H gas phase NMR, GC-MS and solid state 13C and 31P MAS NMR.

Synthesis of pincer ruthenium RuCl(CNN)(PP) catalysts from [RuCl(μ-Cl)(η6-p-cymene)]2

Zhang, Shuanming,Baratta, Walter

supporting information, p. 3339 - 3342 (2013/07/19)

The cationic [RuCl(η6-p-cymene)(HCNNa)]C...

7688-25-7 Process route

1,4-bis(diphenylphosphinyl)butan-1-one

1,4-bis(diphenylphosphinyl)butan-1-one

1,4-di(diphenylphosphino)-butane
7688-25-7

1,4-di(diphenylphosphino)-butane

Conditions
Conditions Yield
With tetramethyldisilazane; isopropyl titanoate(IV); In methyl cyclohexane; at 60 ℃;
94%
1,4-bis(diphenylphosphinyl)butane
4151-27-3

1,4-bis(diphenylphosphinyl)butane

1,4-di(diphenylphosphino)-butane
7688-25-7

1,4-di(diphenylphosphino)-butane

Conditions
Conditions Yield
With 1,1,3,3-Tetramethyldisiloxane; titanium(IV) isopropylate; In various solvent(s); at 100 ℃; for 7h;
95%

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