(R,R'')-2,2''-Bis(diphenylphosphino)-1,1''-biferrocene

Base Information

• Chemical Name: (R,R'')-2,2''-Bis(diphenylphosphino)-1,1''-biferrocene
• CAS No.: 136274-57-2
• Molecular Formula: C₄₄H₃₆Fe₂P₂
• Molecular Weight: 738.411
• Mol file: 136274-57-2.mol

Synonyms:(R,R'')-2,2''-Bis(diphenylphosphino)-1,1''-biferrocene;(R,R'')-2,2''-Bis(diphenylphosphino)-1,1''-biferrocene

Chemical Property of (R,R'')-2,2''-Bis(diphenylphosphino)-1,1''-biferrocene

Chemical Property:

• Melting Point: 232 °C
• PSA: 27.18000
• LogP: 8.18340
• Solubility.: soluble in Chloroform

Purity/Quality:

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

(R,R'''')-2,2''''-Bis(diphenylphosphino)-1,1''''-biferrocene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: (R,R'''')-2,2''''-Bis(diphenylphosphino)-1,1''''-biferrocene (CAS# 136274-57-2) is an organometallic catalyst used asymmetric hydrogenations.

Technology Process of (R,R'')-2,2''-Bis(diphenylphosphino)-1,1''-biferrocene

There total 1 articles about (R,R'')-2,2''-Bis(diphenylphosphino)-1,1''-biferrocene 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: 49.0%

(S,S(p),S(p))-2-diphenylphosphino-2''-(4-methylphenyl)sulfinyl-1,1''-biferrocene (358721-81-0) + chloro-diphenylphosphine (1079-66-9,74391-44-9) → (S(p),S(p))-2,2''-bis(diphenylphosphino)-1,1''-biferrocene (136274-57-2,136274-56-1)

Guidance literature:

With t-BuLi; In tetrahydrofuran; pentane; under Ar atm. to soln. Fe complex in THF t-BuLi in pentane was added at -78°C, stirred for 5 min, R2PCl was added, allowed to warm to r.t. and stirred for 16 h; react. mixt. was quenched with aq. NaHCO3, org. phase was separated, washed with water and dried over MgSO4, solvent was removed in vacuo, residue was chromd. on alumina (PE-Et2O-Et3N 100:2:1 -> 60:3:1 -> 20:3:1); elem. anal.;

DOI:10.1039/b816544k

Reference yield: 88.0%

[Pd(η4-1,5-cyclooctadiene)(C6F5)2] (105286-78-0) + (S(p),S(p))-2,2''-bis(diphenylphosphino)-1,1''-biferrocene (136274-57-2,136274-56-1) → bis(pentafluorophenyl)-((S(p),S(p))-[2,2''-bis(diphenylphosphino-κP)-1,1''-biferrocene]) palladium(II)*1.5H2O

Guidance literature:

In dichloromethane; Fe complex was added to soln. Pd complex in CH2Cl2 and heated under reflux for 10 h; react. mixt. was cooled to room temp., solvent was removed in vacuo, residue was washed with pentane and dried in vacuo; elem. anal.;

DOI:10.1039/b816544k

Reference yield: 87.0%

silver(I) hexafluorophosphate (26042-63-7) + [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2 (52462-29-0) + (S(p),S(p))-2,2''-bis(diphenylphosphino)-1,1''-biferrocene (136274-57-2,136274-56-1) → chloro-((S(p),S(p))-[2,2''-bis(diphenylphosphino-κP)-1,1''-biferrocene]-(η6-p-cymene)) ruthenium(I) hexafluorophosphate

Guidance literature:

In tetrahydrofuran; Fe complex and AgPF6 were added to soln. Ru complex in THF and heated under reflux for 3 h; suspn. was concd. to dryness in vacuo, residue was treated with EtOH, soln. was filtered through Celite, solvent was removed in vacuo; elem. anal.;

DOI:10.1039/b816544k

upstream raw materials:

(S,S(p),S(p))-2-diphenylphosphino-2''-(4-methylphenyl)sulfinyl-1,1''-biferrocene

chloro-diphenylphosphine

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