(η(5)-butadiynylcyclopentadienyl)(η(4)-tetraphenylcyclobutadienyl)cobalt(I)

Base Information

• Chemical Name: (η(5)-butadiynylcyclopentadienyl)(η(4)-tetraphenylcyclobutadienyl)cobalt(I)
• CAS No.: 474328-77-3
• Molecular Formula: C₃₇H₂₅Co
• Molecular Weight: 528.599
• Mol file: 474328-77-3.mol

Synonyms:(η(5)-butadiynylcyclopentadienyl)(η(4)-tetraphenylcyclobutadienyl)cobalt(I)

Chemical Property of (η(5)-butadiynylcyclopentadienyl)(η(4)-tetraphenylcyclobutadienyl)cobalt(I)

Chemical Property:

Purity/Quality:

Safty Information:

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Technology Process of (η(5)-butadiynylcyclopentadienyl)(η(4)-tetraphenylcyclobutadienyl)cobalt(I)

There total 1 articles about (η(5)-butadiynylcyclopentadienyl)(η(4)-tetraphenylcyclobutadienyl)cobalt(I) 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: 95.0%

(η(4)-tetraphenylcyclobutadienyl)[η(5)-(triethylsilylbutadiynyl)cyclopentadienyl]cobalt(I) (474328-76-2) → (η(5)-butadiynylcyclopentadienyl)(η(4)-tetraphenylcyclobutadienyl)cobalt(I) (474328-77-3)

Guidance literature:

With NaOH; In N,N-dimethyl-formamide; 5 M aq. NaOH soln. was added to Co-complex in DMF; after 5 min 2 M HCl was added until pH<4, ppt. was filtered off, washed with H2O, dissolved in Et2O, dried with MgSO4, solvent was removed;

DOI:10.1002/1099-0682(200208)2002:8<2040::AID-EJIC2040>3.0.CO;2-W

Reference yield: 74.0%

(η(5)-butadiynylcyclopentadienyl)(η(4)-tetraphenylcyclobutadienyl)cobalt(I) (474328-77-3) + 1-bromo-2-triethylsilylacetylene (38177-63-8) → (η(4)-tetraphenylcyclobutadienyl)[η(5)-(triethylsilylhexatriynyl)cyclopentadienyl]cobalt(I) (474328-79-5)

Guidance literature:

With n-BuLi; CuCl; EtNH₂; In tetrahydrofuran; under Ar, excess of 1.6 M n-BuLi in hexane was added to Co-complex in THF at -40 °C, CuCl was added, stirring for 5 min at -30 °C and for 10 min at room temp., EtNH2 and excess of Si-compd. were added at -25 °C, stirring for 50 min; satd. NH4Cl soln. was added, aq. layer was extd. with Et2O, solvent was removed, chromy. (silica, light petroleum ether/CH2Cl2 (5:1)), elem. anal.;

DOI:10.1002/1099-0682(200208)2002:8<2040::AID-EJIC2040>3.0.CO;2-W

upstream raw materials:

(η(4)-tetraphenylcyclobutadienyl)[η(5)-(triethylsilylbutadiynyl)cyclopentadienyl]cobalt(I)

Downstream raw materials:

(η(4)-tetraphenylcyclobutadienyl)[η(5)-(triethylsilylhexatriynyl)cyclopentadienyl]cobalt(I)