Lithium pentamethylcyclopentadienide

Base Information

• Chemical Name: Lithium pentamethylcyclopentadienide
• CAS No.: 51905-34-1
• Molecular Formula: C10H15 Li
• Molecular Weight: 142.17
• Hs Code.: 29310099
• European Community (EC) Number: 623-524-7
• Nikkaji Number: J364.650E
• Mol file: 51905-34-1.mol

Synonyms:Lithium pentamethylcyclopentadienide;MFCD00269823

Chemical Property of Lithium pentamethylcyclopentadienide

Chemical Property:

• Melting Point: 230oC
• PSA: 0.00000
• LogP: 3.08450
• Storage Temp.: Flammables area
• Sensitive.: air sensitive, moisture sensitiv
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 142.13337891
• Heavy Atom Count: 11
• Complexity: 141

Purity/Quality:

98%Min ^*data from raw suppliers

Lithium pentamethylcyclopentadienide, min. 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): C,F
• Hazard Codes: C-F,C,F
• Statements: 63-34-17
• Safety Statements: 45-36/37/39-26-16

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: [Li].CC1=C([C](C(=C1C)C)C)C
• Uses: Catalytic base in palladium-catalyzed cross-coupling reactions.

Technology Process of Lithium pentamethylcyclopentadienide

There total 6 articles about Lithium pentamethylcyclopentadienide 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: 100.0%

1,2,3,4,5-pentamethylcyclopentadiene (4045-44-7) + methyllithium (917-54-4) → lithium pentamethylcyclopentadienide (51905-34-1)

Guidance literature:

In tetrahydrofuran; at -78 - 20 ℃;

Reference yield: 90.7%

1,2,3,4,5-pentamethylcyclopentadiene (4045-44-7) → lithium pentamethylcyclopentadienide (51905-34-1)

Guidance literature:

With n-butyllithium; In hexane; at -78 - 20 ℃; for 16.5h; Inert atmosphere; Glovebox;

DOI:10.1021/om5008727

Reference yield:

1,2,3,4,5-pentamethylcyclopentadiene (4045-44-7) → pentamethylcyclopentadienyllithium (51905-34-1)

Guidance literature:

With n-butyllithium; In tetrahydrofuran; hexane;

upstream raw materials:

1,2,3,4,5-pentamethylcyclopentadiene

5-formylpentamethylcyclopentadiene

1,2,3,4,5-Pentamethyl-2,4-cyclopentadien-1-carbonsaeurechlorid

Lithium-1,2,3,4,5-pentamethyl-2,4-cyclopentadien-1-carboxylat

Downstream raw materials:

trimethyl-1,2,3,4,5-pentamethyl-2,4-cyclopentadien-1-yl-silan

Dichlormesityl(pentamethylcyclopentadienyl)silan

Dichlor(pentamethylcyclopentadienyl)-m-tolylsilan

1-(Pentamethylcyclopentadienyl)-2-phenyl-2-(trimethylsilyl)-phosphaethen

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