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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1644164Generated: November 1, 2026

1,2,3,4-Tetramethylcyclopentadiene → Lithium tetramethylcyclopentadienide

https://huagongshe.com/reaction/1644164

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,2,3,4-TetramethylcyclopentadieneHCID 138163—
ReactantButyllithiumHCID 178418339—
SolventTetrahydrofuranHCID 8028—
ProductLithium tetramethylcyclopentadienideHCID 17850683876%

Reaction Steps

Meanwhile, n-butyl lithium (26 ml, 0.042 mol) was slowly added to a solution of 1,2,3,4-tetramethylcyclopentadiene (5 g, 0.041 mol) in 100 ml of THF at −78° C. and the mixture was stirred for 2 hours. Then, the solvent was removed and the resultant product was washed with hexane and dried to obtain tetramethylcyclopentadienyl lithium (yield 76%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08124557B2
Source datasetuspto-grants-2012_02
ORD IDord-b867024c64304d7e93f90a38d821fda7
Source noteuspto-grants-2012_02