Bis(dicyclohexylphosphino)methane

Base Information

• Chemical Name: Bis(dicyclohexylphosphino)methane
• CAS No.: 137349-65-6
• Molecular Formula: C25H46P2
• Molecular Weight: 408.588
• Mol file: 137349-65-6.mol

Synonyms:Methylenebis(dicyclohexylphosphine);Bis(dicyclohexylphosphino)methane;Phosphine,methylenebis[dicyclohexyl- (9CI);

Chemical Property of Bis(dicyclohexylphosphino)methane

Chemical Property:

• Vapor Pressure: 4.63E-10mmHg at 25°C
• Melting Point: 95-102 °C(lit.)
• Boiling Point: 511.2 °C at 760 mmHg
• Flash Point: 279.4 °C
• PSA: 27.18000
• LogP: 9.23850
• Sensitive.: Air Sensitive

Purity/Quality:

98% ^*data from raw suppliers

Bis(dicyclohexylphosphino)methane, min. 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36

MSDS Files:

SDS file from LookChem

Useful:

• Uses: Catalyst for:Ru/phosphine catalyzed anti-Markovnikov addition reactionsRegioselective Suzuki coupling reactionsRu/phosphine catalyzed homogeneous hydrogenation reactonsMediated cross-coupling reactions

Technology Process of Bis(dicyclohexylphosphino)methane

There total 11 articles about Bis(dicyclohexylphosphino)methane 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: 96.0%

bis-diphenylphosphinomethane (2071-20-7) → bis(dicyclohexylphosphino)methane (137349-65-6)

Guidance literature:

With Nb(OC₆H₃Ph₂-2,6)2(CH₂C₆H₄-4Me)3; hydrogen; In cyclohexane; at 100 ℃; for 96h; under 62057.8 Torr;

DOI:10.1039/c39920000632

Reference yield: 95.0%

dichloromethane (75-09-2) + Cd(2+)*2C12H22P(1-) → bis(dicyclohexylphosphino)methane (137349-65-6)

Guidance literature:

at 70 ℃; for 12h;

Reference yield: 85.0%

dicyclohexylphosphane (829-84-5) + 1,1-dibromomethane (74-95-3) → bis(dicyclohexylphosphino)methane (137349-65-6)

Guidance literature:

dicyclohexylphosphane; With cesiumhydroxide monohydrate; In N,N-dimethyl-formamide; at 20 ℃; for 1h; Molecular sieve; Inert atmosphere;

1,1-dibromomethane; In N,N-dimethyl-formamide; at 20 ℃; for 38h; Inert atmosphere; Molecular sieve;

upstream raw materials:

bis-diphenylphosphinomethane

chlorodicyclohexylphosphane

C₁₃H₂₄LiP

cyclohexyl chloride

Downstream raw materials:

[((C6H11)2PCH2P(C6H11)2)Ru(η3-C4H7)2]

cis,mer-[Ta(OC6H3Pr(i)2-2,6)2Cl3(η(1)-bis(dicyclohexylphosphino)methane)]

[Pt2((C6H4)2C5H3N)2(μ-bis(dicyclohexylphosphino)methane)]

Re2Cl4(μ-bis(dicyclohexylphosphino)methane)2

Refernces

• 1、 -. "ETHYLENE TETRAMERIZATION CATALYST SYSTEMS AND METHOD FOR PREPARING 1-OCTENE USING THE SAME". Page/Page column 11. . Retrieved 2010/06/16.
• 2、 Wolf, Justin,Manger, Matthias,Schmidt, Ulrich,Fries, Guido,Barth, Dietmar,Weberndoerfer, Birgit,Vicic, David A.,Jones, William D.,Werner, Helmut. "A new synthetic route to ligands of the general composition R2PCH2ER′2 (E = P, As) and some rhodium complexes derived thereof". . p. 1867 - 1875. Retrieved 2007/10/03.