Cobalt,octacarbonyldi-, (Co-Co)

Base Information

• Chemical Name: Cobalt,octacarbonyldi-, (Co-Co)
• CAS No.: 15226-74-1
• Molecular Formula: C₈Co₂O₈
• Molecular Weight: 342.07
• Mol file: 15226-74-1.mol

Synonyms:Cobalt,octacarbonyldi- (8CI); Cobalt carbonyl (Co2(CO)8)

Chemical Property of Cobalt,octacarbonyldi-, (Co-Co)

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Cobalt,octacarbonyldi-, (Co-Co)

There total 48 articles about Cobalt,octacarbonyldi-, (Co-Co) 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: 98.0%

[di-μ-(ethoxycarbonyl-(methylene))-bis(tricarbonyl-cobalt) (Co-Co)] + carbon monoxide (201230-82-2) → dicobalt octacarbonyl (61091-28-9,15226-74-1,61117-58-6) + diethyl malonate (105-53-3)

Guidance literature:

With ethanol; In hexane; High Pressure; soln. of Co2(CO)8 and EtOH placed in autoclave; pressurized (room temp.,50 bar CO); shaken (60 min); IR; gas chromy.;

DOI:10.1016/S1381-1169(03)00377-7

Reference yield: 80.0%

formaldehyd (50-00-0,30525-89-4,61233-19-0) + hydridocobalt tetracarbonyl (16842-03-8,64519-62-6) → methanol (67-56-1) + dicobalt octacarbonyl (15226-74-1,61091-28-9,61117-58-6) + Methyl formate (107-31-3) + ethylene glycol (107-21-1) + Glycolaldehyde (141-46-8)

Guidance literature:

In dichloromethane; reaction of gaseous formaldehyde with excess of HCo(CO)4 in CH2Cl2 (0°C, 1 h), color of soln. turning brown; IR, 1H NMR;

DOI:10.1021/om00106a035

Reference yield: 65.0%

cobalt(II) nitrate hexahydrate + silver nitrate → dicobalt octacarbonyl (15226-74-1,61091-28-9,61117-58-6) + Ag(1+)*{Co(CO)4}(1-)=Ag{Co(CO)4} (128782-72-9) + silver (7440-22-4)

Guidance literature:

With sodium dithionite; In ammonia; exclusion of air oxygen;; precipitation; washed with water, dried and washed with petrol ether; Ag dissolved in acetone; precipitated with water; dried in high vacuum over P2O5 (1h) protected from light;;

upstream raw materials:

carbon monoxide

dicarbonylcyclopentadienylcobalt

cobalt tetracarbonyl hydride

methyl phenyl ketene

Downstream raw materials:

dodecacarbonyl triosmium

Co₂(CO)6{P(p-tol)3}2

Co(CO)3{P(p-tol)3}2

Tiglic acid

Refernces

• 1、 Steinhardt, Paul C.,Gladfelter, Wayne L.,Harley, A. Dale,Fox, Joseph R.,Geoffroy, Gregory L.. "Synthesis of tetranuclear mixed-metal clusters via the reaction of [Co(CO)4]- with closed metal carbonyl trimers. Crystal and molecular structure of [(Ph3P)2N][CoRu3(CO)13]". . p. 332 - 339. Retrieved 1980.
• 2、 Wegman,Letts. "REACTION OF METHOXY KETALS AND DIMETHYL CARBONATE WITH SYNTHESIS GAS.". . p. 357 - 369. Retrieved 1985.
• 3、 Tuba, Robert,Ungváry, Ferenc. "Octacarbonyl dicobalt-catalyzed selective transformation of ethyl diazoacetate into organic products containing the ethoxycarbonyl carbene building block". . p. 59 - 67. Retrieved 2008/10/08.
• 4、 Bartik, Tamas,Kruemmling, Thomas,Marko, Laszlo,Palyi, Gyula. "DECARBOXYLATION OF ALKOXYCARBONYLCOBALT CARBONYLS". . p. 307 - 308. Retrieved 2007/10/02.