[(1,2-dicarbomethoxy)η⁵-cyclopentadienyl](η⁴-tetraphenylcyclobutadiene)cobalt

Base Information

• Chemical Name: [(1,2-dicarbomethoxy)η⁵-cyclopentadienyl](η⁴-tetraphenylcyclobutadiene)cobalt
• CAS No.: 1361197-42-3
• Molecular Formula: C₃₇H₂₉CoO₄
• Molecular Weight: 596.628
• Mol file: 1361197-42-3.mol

Synonyms:[(1,2-dicarbomethoxy)η⁵-cyclopentadienyl](η⁴-tetraphenylcyclobutadiene)cobalt

Chemical Property of [(1,2-dicarbomethoxy)η⁵-cyclopentadienyl](η⁴-tetraphenylcyclobutadiene)cobalt

Chemical Property:

Purity/Quality:

Safty Information:

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• Hazard Codes: 

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Technology Process of [(1,2-dicarbomethoxy)η⁵-cyclopentadienyl](η⁴-tetraphenylcyclobutadiene)cobalt

There total 1 articles about [(1,2-dicarbomethoxy)η⁵-cyclopentadienyl](η⁴-tetraphenylcyclobutadiene)cobalt 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: 40.0%

chlorotris(triphenylphosphine)cobalt(I) (26305-75-9) + sodium 1,2-bis(methoxycarbonyl)cyclopentadiene (68348-90-3) + diphenyl acetylene (501-65-5) + sodium 1,3-bis(methoxycarbonyl)cyclopentadiene → [(1,2-dicarbomethoxy)η5-cyclopentadienyl](η4-tetraphenylcyclobutadiene)cobalt (1361197-42-3) + [(1,3-dicarbomethoxy)η5-cyclopentadienyl](η4-tetraphenylcyclobutadiene)cobalt (1361197-41-2)

Guidance literature:

In tetrahydrofuran; toluene; byproducts: P(C6H5)3; under N2 atm. using Schlenk techniques; Co(PPh3)3Cl was added to soln. of diester in THF; mixt. stirred for 5 min; soln. of PhCCPh in toluene added; mixt. refluxed for 5 h; cooled; solvent evapd.; residue chromd. on alumina column (hexane, 5% ethyl acetate - 95% hexane, 7% ethyl acetate - 93% hexane as eluents); solvent evapd.; elem. anal.;

DOI:10.1021/om300027c

Reference yield: 96.0%

[(1,2-dicarbomethoxy)η5-cyclopentadienyl](η4-tetraphenylcyclobutadiene)cobalt (1361197-42-3) → [η5-1,2-(CH2OH)2C5H3]Co(η4-C4Ph4) (1400008-52-7)

Guidance literature:

With lithium aluminium tetrahydride; In tetrahydrofuran; at 20 ℃; for 15h; Inert atmosphere;

DOI:10.1016/j.jorganchem.2012.07.023

Reference yield: 95.0%

hydrogenchloride (7647-01-0,15364-23-5) + [(1,2-dicarbomethoxy)η5-cyclopentadienyl](η4-tetraphenylcyclobutadiene)cobalt (1361197-42-3) → [η5-1,2-(C5H3(C(O)OH)2)]Co[η4-(C4Ph4)] (1361197-44-5)

Guidance literature:

With KOH; In ethanol; water; under N2 atm. using Schlenk techniques; aq. soln. of KOH was mixed with soln. of Co complex in EtOH; mixt. refluxed for 30 h; quenched with 2 M HCl; extd. (CH2Cl2); org. phase washed (aq. HCl); dried (anhyd. Na2SO4); filtered; concd. (vac.); elem. anal.;

DOI:10.1021/om300027c

upstream raw materials:

chlorotris(triphenylphosphine)cobalt(I)

sodium 1,2-bis(methoxycarbonyl)cyclopentadiene

diphenyl acetylene

Downstream raw materials:

[η5-1,2-(C5H3(C(O)OH)2)]Co[η4-(C4Ph4)]

[η⁵-1,2-(CH₂OH)₂C₅H₃]Co(η⁴-C₄Ph₄)