((C₆H₅)2CO)(Cr(CO)3)2

Base Information

• Chemical Name: ((C₆H₅)2CO)(Cr(CO)3)2
• CAS No.: 57347-34-9
• Molecular Formula: C₁₉H₁₀Cr₂O₇
• Molecular Weight: 454.276
• Mol file: 57347-34-9.mol

Synonyms:

Chemical Property of ((C₆H₅)2CO)(Cr(CO)3)2

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of ((C₆H₅)2CO)(Cr(CO)3)2

There total 1 articles about ((C₆H₅)2CO)(Cr(CO)3)2 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: 52.0%

bromopentacarbonylmanganese(I) (14516-54-2) + (benzene)tricarbonylchromium (697302-50-4,697302-51-5,12082-08-5,697302-53-7) + 1,2-bis-(diphenylphosphino)ethane (1663-45-2) → ((C6H5)2CO)(Cr(CO)3)2 (57347-34-9) + C6H5Cr(CO)3C(O)Mn(CO)3(P(C6H5)2C2H4P(C6H5)2) (138090-91-2)

Guidance literature:

With n-BuLi; In tetrahydrofuran; under N2; addn. of n-BuLi to a well-stirred soln. of Cr-compd. (-78.degrree.C), warmed slowly to -30°C, stirred for 20 min, cooled to -78°C, added to stirred soln. of Mn-compd. (-30°C), addn. of ligand, stirred at room temp.; evapd., column chromy. (silica gel, CH2Cl2/hexane 1:1), orange band collected, evapd.; elem. anal.;

Reference yield: 55.0%

((C6H5)2CO)(Cr(CO)3)2 (57347-34-9) → (benzophenone)tricarbonylchromium(0) (12147-92-1) + (benzhydryl acetate)tricarbonylchromium (104764-94-5) + (benzhydryl acetate)bis(tricarbonylchromium) (104764-96-7)

Guidance literature:

With acetic anhydride; In N,N-dimethyl-formamide; Electrolysis; under Ar; electroredn. of Cr-complex in the presence of 5 equiv. in DMF/(CH3CO)2O (potential changed from -1.14 to -1.30 V, H-type cell, Hg and Pt electrodes, 0.1M Bu4NPF6 or Bu4NBF4), halted when the Faradaic current became negligible (n=1.37); catholyte dild. with water, dropwise addn. 1M NaOH/H2O until pH8, extd. (Et2O), Et2O-soln. dried, evapn., column chromy. (1:1 Et2O:hexane), traces of starting Cr-complex also present, elem. anal.;

DOI:10.1016/0022-328X(86)84038-4

Reference yield: 46.0%

((C6H5)2CO)(Cr(CO)3)2 (57347-34-9) → (benzophenone)tricarbonylchromium(0) (12147-92-1) + (benzhydryl benzoate)bis-(tricarbonylchromium) (104764-97-8)

Guidance literature:

With benzoic acid anhydride; In N,N-dimethyl-formamide; Electrolysis; under Ar; electroredn. of Cr-complex in the presence of 2.5 equiv. in DMF/(PhCO)2O (potential changed from -1.1 to -1.40 V, H-type cell, Hg and Pt electrodes, 0.1M Bu4NPF6 or Bu4NBF4), halted when the Faradaic current became negligible (n=1.89); catholyte dild. with water, dropwise addn. 1M NaOH/H2O until pH8, extd. (Et2O), Et2O-soln. dried, evapn., column chromy. (1:1 Et2O:hexane), (C5H5CO)2O and traces of starting Cr-complex also present, elem. anal.;

DOI:10.1016/0022-328X(86)84038-4

upstream raw materials:

bromopentacarbonylmanganese(I)

(benzene)tricarbonylchromium

1,2-bis-(diphenylphosphino)ethane

Downstream raw materials:

(benzophenone)tricarbonylchromium(0)

(benzhydryl acetate)tricarbonylchromium

(benzhydryl acetate)bis(tricarbonylchromium)

(benzhydryl benzoate)bis-(tricarbonylchromium)