1,3-Bis(trimethylsilyl)cyclopentadiene → Lithium 1,3-bis(trimethylsilyl)cyclopenta-2,4-dien-1-ide

HRID 622869Notes

Reaction equation

HRID 622869 reaction equation
[CH3:1][Si:2]([CH3:13])([CH3:12])[C:3]1[CH2:7][CH:6]=[C:5]([Si:8]([CH3:11])([CH3:10])[CH3:9])[CH:4]=1.C([Li:18])CCC>CCCCCC>[CH3:9][Si:8]([CH3:11])([CH3:10])[C-:5]1[CH:6]=[CH:7][C:3]([Si:2]([CH3:13])([CH3:12])[CH3:1])=[CH:4]1.[Li+:18]

Participants

4

Reactant 2

HCID 121615891,3-Bis(trimethylsilyl)cyclopentadieneHCID 178418339Butyllithium

Product 1

HCID 15798202Lithium 1,3-bis(trimethylsilyl)cyclopenta-2,4-dien-1-ideYield 58.2%

Reagents, catalysts & solvents 1

HCID 8058HexaneSolvent

Procedure

1,3-Bis(trimethylsilyl)cyclopentadiene (10.5 g, 0.05 mole) is reacted with 32 ml of a 1.6M solution of butyllithium (0.05 mole) in hexane to give 6.3 g of lithium 1,3-bis(trimethylsilyl)cyclopentadienide.

Sources & evidence

ORD record
ord-ec7f868298e543019d63e65e3133c515
Source dataset
uspto-grants-1988_09
Patent number
US04772734

Reaction notes

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