HEPTACARBONYL(TRIPHENYLPHOSPHINE)DICOBALT(0), 97

Base Information

• Chemical Name: HEPTACARBONYL(TRIPHENYLPHOSPHINE)DICOBALT(0), 97
• CAS No.: 26534-25-8
• Molecular Formula: C₂₅H₁₅Co₂O₇P
• Molecular Weight: 576.35
• Mol file: 26534-25-8.mol

Synonyms:HEPTACARBONYL(TRIPHENYLPHOSPHINE)DICOBALT(0), 97;Triphenylphosphinedicobalt heptacarbonyl

Chemical Property of HEPTACARBONYL(TRIPHENYLPHOSPHINE)DICOBALT(0), 97

Chemical Property:

• Melting Point: 120 - 125 °C (diethyl ether)
• PSA: 13.59000
• LogP: 2.35740

Purity/Quality:

98% ^*data from raw suppliers

HEPTACARBONYL(TRIPHENYLPHOSPHINE)DICOBALT (0) 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.; R48/20:Harmful : danger of serious damage to healt
• Hazard Codes: R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.; R48/20:Harmful : danger of serious damage to healt
• Statements: R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.; R48/20:Harmful : danger of serious damage to healt
• Safety Statements: S28:After contact with skin, wash immediately with plenty of ...; S36/37:Wear suitable protective clothing and gloves.

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of HEPTACARBONYL(TRIPHENYLPHOSPHINE)DICOBALT(0), 97

There total 7 articles about HEPTACARBONYL(TRIPHENYLPHOSPHINE)DICOBALT(0), 97 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: 97.0%

[μ2-(ethoxycarbonyl(methylene))-μ2-(carbonyl)-(tricarbonyl-cobalt)-(triphenylphosphane-dicarbonyl-cobalt) (Co-Co)] + carbon monoxide (201230-82-2) → Co2(CO)7(PPh3) (15906-55-5,26534-25-8) + diethyl malonate (105-53-3)

Guidance literature:

With ethanol; In dichloromethane; High Pressure; soln. of cobalt complex and anhyd. ethanol pressurized with CO in autoclave at 25°C and 50 bar for 24 h; IR;

DOI:10.1016/j.molcata.2005.04.027

Reference yield: 84.0%

dicobalt octacarbonyl (15226-74-1,61091-28-9,61117-58-6) + triphenylphosphine (603-35-0) → Co2(CO)7(PPh3) (15906-55-5,26534-25-8)

Guidance literature:

In tetrahydrofuran; according to Belanger D. B., Livinghouse T., Tetrahedron Lett., 1998, 39, 7641; Co complex was reacted with P ligand in THF at room temp.;

DOI:10.1021/om060935+

Reference yield: 65.0%

dicobalt octacarbonyl (15226-74-1,61091-28-9,61117-58-6) + triphenylphosphine (603-35-0) → heptacarbonyl(triphenylphosphine)dicobalt(O) (15906-55-5,26534-25-8)

Guidance literature:

In tetrahydrofuran; (N2); standard Schlenk technique; soln. of PPh3 (1 equiv.) was added over 30 min to soln. of Co complex in THF in dark; after 30 min concd. (vac.); chromd. (SiO2, hexane/Et2O, 1/0 to 9/1); recrystd. (hexane/Et2O); elem. anal.;

DOI:10.1039/b303208f

upstream raw materials:

carbon monoxide

dicobalt octacarbonyl

triphenylphosphine

dicobalt octacarbonyl

Downstream raw materials:

tricarbonyldi(triphenylphosphine)cobalt⁽¹⁺⁾ tetracarbonylcobaltate^(1-)

trans-Cl₂Sn(Co(CO)3PPh₃)2

Co₂(CO)₅(PPh₃)(R)-BINAP

Refernces

• 1、 Ungvari, Neszta,Foerdos, Eszter,Balogh, Janos,Kegl, Tamas,Parkanyi, Laszlo,Ungvary, Ferenc. "Triphenylphosphane-modified cobalt catalysts for the selective carbonylation of ethyl diazoacetate". . p. 3837 - 3851. Retrieved 2010/12/24.
• 2、 Tuba, Robert,F?rds, Eszter,Ungváry, Ferenc. "Preparation of triphenylphosphane substituted ethoxycarbonylcarbene-bridged dicobalt carbonyl complexes and their application as catalyst precursors in the carbonylation of ethyl diazoacetate to diethyl malonate". . p. 113 - 118. Retrieved 2008/10/09.