BIS(PENTAMETHYLCYCLOPENTADIENYL)MAGNESIUM

Base Information

• Chemical Name: BIS(PENTAMETHYLCYCLOPENTADIENYL)MAGNESIUM
• CAS No.: 74507-64-5
• Molecular Formula: C₂₀H₃₀Mg
• Molecular Weight: 294.763
• Hs Code.: 2931900090
• Mol file: 74507-64-5.mol

Synonyms:Magnesocene,decamethyl-; 1,3-Cyclopentadiene, 1,2,3,4,5-pentamethyl-, magnesium complex;Bis(pentamethylcyclopentadienyl)magnesium;Bis(pentamethylcyclopentadienyl)magnesium(II)

Chemical Property of BIS(PENTAMETHYLCYCLOPENTADIENYL)MAGNESIUM

Chemical Property:

• Melting Point: 230 °C (dec.)(lit.)
• PSA: 0.00000
• LogP: 6.16900
• Sensitive.: Air & Moisture Sensitive

Purity/Quality:

98%,99%, ^*data from raw suppliers

Bis(pentamethylcyclopentadienyl)magnesium, min. 98% ^*data from reagent suppliers

Safty Information:

• Hazard Codes: F
• Statements: 17
• Safety Statements: 16-36/37/39-26

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of BIS(PENTAMETHYLCYCLOPENTADIENYL)MAGNESIUM

There total 2 articles about BIS(PENTAMETHYLCYCLOPENTADIENYL)MAGNESIUM 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:

lithiumpentamethylcyclopentadiene → Mg(Cp*)2 (74507-64-5)

Guidance literature:

With magnesium chloride; In diethyl ether;

DOI:10.1021/acs.inorgchem.7b03079

Reference yield:

1,2,3,4,5-pentamethylcyclopentadiene (4045-44-7) + isopropylmagnesium chloride (1068-55-9) → bis(pentamethylcyclopentadienyl)magnesium (74507-64-5)

Guidance literature:

Yield given. Multistep reaction; 1.) THF, toluene, 80 deg C, 6 h, 2.) 1,4-dioxane, 80 deg C, 36 h;

DOI:10.1021/ja00371a017

Reference yield:

Mg(Cp*)2 (74507-64-5) + aluminum(I) chloride * diethyl ether + benzene (71-43-2,26181-88-4,54682-86-9,13967-78-7,174973-66-1) → tetrahedrotetrakis(pentamethylcyclopentadienylaluminum) (132645-87-5) + dodekakispentamethylcyclopentadienylpentacontaaluminum + [Mg6Cl8(C5(CH3)5)5](1-)*Al(C5(CH3)5)2(1+)*C6H6=[Mg6Cl8(C5(CH3)5)5][Al(C5(CH3)5)2]*C6H6

Guidance literature:

In toluene; byproducts: [(pentamethylcyclopentadienyl)MgCl*Et2O]2; (N2); concn. of diethyl ether component of AlCl*Et2O toluene soln. (25 vol% Et2O, 92% AlCl) in vac. for 8 h at -50 to -40°C; addn. of soln. of Mg(C5Me5)2 in toluene at -70°C; warming to -30°C; stirring for 3 h; removal of all volatiles; washing with pentane; extn. with toluene; monitoring by NMR; storage at -30°C; crystn., isolation from toluene extract; washing of residue with benzene; crystn. for 2 weeks at ambienttemp., monitoring by NMR;

DOI:10.1021/om051074s

upstream raw materials:

1,2,3,4,5-pentamethylcyclopentadiene

isopropylmagnesium chloride

Downstream raw materials:

tetrahedrotetrakis(pentamethylcyclopentadienylaluminum)

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