Diphosphine, tetrakis(1,1-dimethylethyl)-

Base Information

• Chemical Name: Diphosphine, tetrakis(1,1-dimethylethyl)-
• CAS No.: 5995-06-2
• Molecular Formula: C16H36P2
• Molecular Weight: 290.409
• Mol file: 5995-06-2.mol

Synonyms:

Chemical Property of Diphosphine, tetrakis(1,1-dimethylethyl)-

Chemical Property:

Purity/Quality:

95% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Diphosphine, tetrakis(1,1-dimethylethyl)-

There total 8 articles about Diphosphine, tetrakis(1,1-dimethylethyl)- 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: 43.0%

diphenyl(trimethylsilylmethylen)phosphoran (91326-06-6) → tetra-tert-butyldiphosphane (5995-06-2) + <(Di-tert-butylphosphino)(trimethylsilyl)methyl>diphenylphosphan (91326-03-3)

Guidance literature:

at 150 - 170 ℃; under 0.1 Torr;

Reference yield: 25.0%

lithium di-tert-butylphosphide (19966-86-0) + molybdenum(III) chloride (13478-18-7) → Mo2(O2CP(C(CH3)3)2)4*2C6H6 + tetra-tert-butyldiphosphane (5995-06-2)

Guidance literature:

With CO₂; In tetrahydrofuran; under N2, MoCl3 cooled to -78°C, addn. of THF, dropwise addn. of LiP(t-Bu)2 in THF in 10 min, 45 min at -18°C and 40 min at -43°C, addn. of CO2, allowed to warm for 30 min; evapn. of solvent, extn. (hexane), filtered, evapd., taken up in C6H6, cooled to -25°C overnight; elem. anal.;

DOI:10.1021/ja00203a014

Reference yield: 5.0%

C25H44N2OP(1+)*CF3O3S(1-) (1620660-97-0) → tetra-tert-butyldiphosphane (5995-06-2) + N-[(di-tert-butylphosphanyl)(2,2,6,6-tetramethylpiperidin-1-yl)methylidene]-4-methoxyaniline (1620661-00-8) + C34H50N4O2 + C24H41N2P

Guidance literature:

With lithium hexamethyldisilazane; In tetrahydrofuran; at -90 - 20 ℃; for 20h;

DOI:10.1002/ejic.201402166

upstream raw materials:

2,2-di-tert-butyl-1,1-bis(diisopropylamino)diphosphane

diphenyl(trimethylsilylmethylen)phosphoran

lithium di-tert-butylphosphide

molybdenum(III) chloride

Downstream raw materials:

di(tert-butyl)chlorophosphine

[(tBu₂P)PHtBu₂][HB(C₆F₅)3]

Refernces

• 1、 Marchenko, Anatoliy,Koidan, Georgyi,Hurieva, Anastasiya,Kurpiieva, Olena,Vlasenko, Yurii,Rozhenko, Alexander B.,Kostyuk, Aleksandr. "Stable N-phosphanyl acyclic diaminocarbenes". . p. 3259 - 3270. Retrieved 2015/04/27.
• 2、 Niemann, Juergen,Schoeller, Wolfgang W.,Goenna, Volker von der,Niecke, Edgar. "Redox Properties of Diphosphanes". . p. 1563 - 1565. Retrieved 2007/10/02.