DICARBONYLCYCLOPENTADIENYLCOBALT

Base Information

• Chemical Name: DICARBONYLCYCLOPENTADIENYLCOBALT
• CAS No.: 12078-25-0
• Molecular Formula: C7H5 Co O2
• Molecular Weight: 180.109
• Hs Code.: 29319090
• Mol file: 12078-25-0.mol

Synonyms:Cobalt,dicarbonyl-p-cyclopentadienyl- (8CI); Cobalt,dicarbonylcyclopentadienyl- (7CI); Cyclopentadienylcobalt dicarbonyl (6CI);Cyclopentadienyldicarbonylcobalt; Dicarbonyl(h5-2,4-cyclopentadien-1-yl)cobalt; Dicarbonyl(h5-cyclopentadienyl)cobalt;Dicarbonyl-p-cyclopentadienyl cobalt;Dicarbonylcyclopentadienylcobalt; h5-Cyclopentadienylcobalt dicarbonyl; p-Cyclopentadienylcobalt dicarbonyl; p-Cyclopentadienyldicarbonylcobalt

Chemical Property of DICARBONYLCYCLOPENTADIENYLCOBALT

Chemical Property:

• Melting Point: -22 °C
• Refractive Index: 1.599-1.602
• Boiling Point: 139-140 °C710 mm Hg(lit.)
• Flash Point: 80 °F
• PSA: 0.00000
• Density: 1.35
• LogP: 0.60550
• Storage Temp.: 2-8°C
• Sensitive.: Air Sensitive
• Water Solubility.: Insoluble in water. Soluble in common organic solvents.

Purity/Quality:

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

Dicarbonylcyclopentadienyl cobalt(I) >95.0%(T) ^*data from reagent suppliers

Safty Information:

• Hazard Codes: T
• Statements: 10-23/24/25-42/43-53-68-40
• Safety Statements: 23-36/37-45-38-36/37/39-28A-16

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Uses: Dicarbonylcyclopentadienylcobalt Catalyst for the cyclotrimerization of alkynes. It mediates the [2+2+2]-cyclization of allenediynes to tricyclic systems. catalyzes the formation of pyridines from a mixture of alkynes and nitriles. Mediates the [2+2+2]-cyclization of allenediynes to tricyclic systems.

Technology Process of DICARBONYLCYCLOPENTADIENYLCOBALT

There total 160 articles about DICARBONYLCYCLOPENTADIENYLCOBALT 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: 94.0%

bis(μ-carbonyl)(μ-o-xylylene)bis[(η-cyclopentadienyl)cobalt] (79931-94-5) → dicarbonylcyclopentadienylcobalt (12078-25-0,12078-23-8)

Guidance literature:

With CO; In benzene-d6; byproducts: 1,2:5,6-dibenzo-1,5-cyclooctadiene; 35°C, 6 atm.; o-xylylene dimers detected; not isolated, detected by NMR spectra;

DOI:10.1021/ja00356a022

Reference yield: 94.0%

(C5H5)Co(C(CO)(SO2C6H5)C(CHCO2C2H5)(Si(CH3)3)) → dicarbonylcyclopentadienylcobalt (12078-25-0,12078-23-8) + (2-Benzenesulfonyl-5-ethoxy-furan-3-yl)-trimethyl-silane

Guidance literature:

With CO; In benzene-d6; thermolysis in C6D6 at 75°C under 1 atm of CO; ratio of products 1:1;

DOI:10.1021/ja00074a080

Reference yield: 94.0%

(C5H5)Co(C(OC2H5)C(SO2C6H5)C(Si(CH3)3)CHC(O)O) → dicarbonylcyclopentadienylcobalt (12078-25-0,12078-23-8) + (2-Benzenesulfonyl-5-ethoxy-furan-3-yl)-trimethyl-silane

Guidance literature:

With CO; In benzene-d6; thermolysis in C6D6 at 75°C under 1 atm of CO; ratio of products 1:1;

DOI:10.1021/ja00074a080

upstream raw materials:

carbon monoxide

cobalt(II) chloride

dicobalt octacarbonyl

[(C₅H₅)Co(CO)(CH₃)]2

Downstream raw materials:

cobaltocene

carbon monoxide

cyclopenta-2,4-dienyl

cobalt

Refernces

• 1、 Nafady, Ayman,Geiger, William E.. "Anodic reaction of CO(η5-C5H5)(CO) (PPh3): An oxidatively induced ligand exchange involving a 17 e -/18 e- redox pair". . p. 4276 - 4281. Retrieved 2010/12/20.
• 2、 Camire, Nicole,Nafady, Ayman,Geiger, William E.. "Characterization and reactions of previously elusive 17-electron cations: Electrochemical oxidations of (C6H6)Cr(CO)3 and (C5H5)Co(CO)2 in the presence of [B(C6F5)4]". . p. 7260 - 7261. Retrieved 2007/10/03.