Chromium,pentacarbonyl[1-(dimethylamino)ethylidene]-, (OC-6-21)-

Base Information

• Chemical Name: Chromium,pentacarbonyl[1-(dimethylamino)ethylidene]-, (OC-6-21)-
• CAS No.: 22852-52-4
• Molecular Formula: C9H9 Cr N O5
• Molecular Weight: 263.17
• Mol file: 22852-52-4.mol

Synonyms:Chromium,pentacarbonyl[1-(dimethylamino)ethylidene]- (8CI); Ethanamine, N,N-dimethyl-,chromium complex; Pentacarbonyl[1-(dimethylamino)ethylidene]chromium

Chemical Property of Chromium,pentacarbonyl[1-(dimethylamino)ethylidene]-, (OC-6-21)-

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Chromium,pentacarbonyl[1-(dimethylamino)ethylidene]-, (OC-6-21)-

There total 1 articles about Chromium,pentacarbonyl[1-(dimethylamino)ethylidene]-, (OC-6-21)- 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: 64.0%

(CO)5Cr{C(N(CH3)2)CH2Si(CH3)3} + benzaldehyde (100-52-7) → pentacarbonyl{(N,N-dimethylamino)methylcarbene}chromium(0) (22852-52-4) + (CO)5CrC(N((CH3)2))(CH2CHOH(C6H5))

Guidance literature:

In tetrahydrofuran; addn. of N(C4H9)4F soln. to soln. of Cr complex and benzaldehyde, -78°C; standing, 25 min; quenching by rapid addn. of satd. aq. NH4Cl; addn. of ether; washing (water, brine); drying organic layer (MgSO4); filtration; evapn.; chromy. (silica gel);

DOI:10.1016/0020-1693(94)03874-0

Reference yield: 85.0%

cyclohexenone (930-68-7) + pentacarbonyl{(N,N-dimethylamino)methylcarbene}chromium(0) (22852-52-4) → (CO)5CrC(N(CH3)2)CH2C6H9O

Guidance literature:

With n-butyllithium; In tetrahydrofuran; hexane; Ar atmosphere; addn. of n-BuLi in hexane to Cr-complex in THF (stirring, -78°C, 20 min), quenching (-78°C, addn. aq. NH4Cl), addn. of ether, sepn. and purifn. of org. phase, addn. od 2-cyclohexenone, stirring (30 min), quenching; chromy. (silica gel, ether/CH2Cl2/hexane 1:1:1); elem. anal.;

Reference yield: 81.0%

pentacarbonyl{(N,N-dimethylamino)methylcarbene}chromium(0) (22852-52-4) + benzaldehyde (100-52-7) → (CO)5CrC(N((CH3)2))(CH2CHOH(C6H5))

Guidance literature:

With n-butyllithium; In tetrahydrofuran; hexane; addn. of n-butyllithium soln. (hexane) to Cr complex soln. (THF) under Ar, -78°C; standing 20 min; addn. of aldehyde in one portion; stirring, 10-30 min; quenching by rapid addn. of satd. aq. NH4Cl, -78°C; addn. of ether; washing organic layer (water, brine); drying over MgSO4; filtration; concentrating; flash chromy. (silica gel, air, ether/CH2Cl2/hexanes 1/1/4); elem. anal.;

DOI:10.1016/0020-1693(94)03874-0

upstream raw materials:

benzaldehyde

Downstream raw materials:

N,N-dimethyl-ethanamine

(CO)3CrC₆H₅(C₄(CH₃)N(CH₃)2(C₆H₅)(O))

((benzoylmethyl)dimethylaminomethylene)pentacarbonylchromium