μ-η(2)-(3,4-diphenyl-1,5-hexadiyne)-bis-dicobalt hexacarbonyl

Base Information

• Chemical Name: μ-η(2)-(3,4-diphenyl-1,5-hexadiyne)-bis-dicobalt hexacarbonyl
• CAS No.: 154975-40-3
• Molecular Formula: C₃₀H₁₄Co₄O₁₂
• Molecular Weight: 802.407
• Mol file: 154975-40-3.mol

Synonyms:

Chemical Property of μ-η(2)-(3,4-diphenyl-1,5-hexadiyne)-bis-dicobalt hexacarbonyl

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of μ-η(2)-(3,4-diphenyl-1,5-hexadiyne)-bis-dicobalt hexacarbonyl

There total 4 articles about μ-η(2)-(3,4-diphenyl-1,5-hexadiyne)-bis-dicobalt hexacarbonyl 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: 82.0%

dicobalt octacarbonyl (15226-74-1,61091-28-9,61117-58-6) + (μ-η2-3-methoxy-3-phenyl-1-propyne)dicobalt hexacarbonyl (728946-56-3,198139-01-4) → [HC.tplbond.CCH2Ph][Co2(CO)6] (201985-09-3) + (3,4-diphenyl-1,5-hexadiyne)dicobalt hexacarbonyl (231609-28-2) + μ-η(2)-(3,4-diphenyl-1,5-hexadiyne)-bis-dicobalt hexacarbonyl (154975-41-4,154975-40-3,78724-79-5)

Guidance literature:

With trifluoromethylsulfonic anhydride; In 1,2-dichloro-ethane; (N2); Schlenk technique; anhydride added dropwise to Co complex/C2H4Cl2 (-20°C); stirred (-20°C, 10 min; 20°C, 10 min); re fluxed (83°C, 3 min); cooled (20°C); MeOH added; stirred (30 min); Co2(CO)8 added; stirred (2 h; dild. with H2O; extd. (ether); org. layer washed (H2O); dried (Na2SO4); evapd. (vac.); fractionally chromd. (silica gel plate, petroleum ether/CH2Cl2, 10/1);

DOI:10.1021/om900448j

Reference yield: 61.9%

(μ-η2-3-methoxy-3-phenyl-1-propyne)dicobalt hexacarbonyl (728946-56-3,198139-01-4) → [HC.tplbond.CCH2Ph][Co2(CO)6] (201985-09-3) + μ-η(2)-(3,4-diphenyl-1,5-hexadiyne)-bis-dicobalt hexacarbonyl (154975-41-4,154975-40-3,78724-79-5)

Guidance literature:

With Tf₂O; Cp₂Co; In dichloromethane; (N2) Tf2O was added dropwise to soln. Co complex in CH2Cl2 at -50°C, react. mixt. was brought to -10°C for 30 min, soln. Cp2Co in CH2Cl2 was added dropwise at -50°C, stirred for 10 min; react. mixt was diluted with brine, warmed to 0°C in 40 min, extd. with ether, washed with water, dried over Na2SO4, solvent was removed in vacuo, prep. TLC - mixt. of diastereomers;

DOI:10.1021/om2006497

Reference yield:

(HC*C-CH(OH)Ph)Co2(CO)6 (330626-38-5,70246-81-0,330626-37-4) → μ-η(2)-(3,4-diphenyl-1,5-hexadiyne)-bis-dicobalt hexacarbonyl (154975-41-4,154975-40-3,78724-79-5)

Guidance literature:

With tetrafluoroboric acid diethyl ether; In tetrahydrofuran; dichloromethane; N2-atmosphere; cooling Co-complex soln. (in THF/CH2Cl2) to -5°C, treatment with HBF4*Et2O, warming to room temp. over 30 min, stirring for 4.5 h (TLC control); chromy. (Florisil); diastereomer mixt. (95:5) not sepd., total yield 90%;

DOI:10.1016/S0022-328X(97)00286-6

upstream raw materials:

(HC*C-CH(OH)Ph)Co₂(CO)6

dicobalt octacarbonyl

(μ-η2-3-methoxy-3-phenyl-1-propyne)dicobalt hexacarbonyl

benzaldehyde