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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2227693Generated: October 30, 2026

4-(3,5-Dimethylphenyl)-2-isopropylindene → Lithium 4-(3,5-dimethylphenyl)-2-isopropylindenide

https://huagongshe.com/reaction/2227693

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(3,5-Dimethylphenyl)-2-isopropylindeneHCID 22023014—
ReactantButyllithiumHCID 178418339—
SolventPentaneHCID 8003—
ProductLithium 4-(3,5-dimethylphenyl)-2-isopropylindenideHCID 22023013—

Reaction Steps

4-(3′,5′-dimethylphenyl)-2-isopropylindene (5.5 g, 21 mmol) was dissolved in 80 mL of pentane. To this solution was added 8.3 mL of n-BuLi (2.5M in hexane) and the reaction was allowed to stir 4 hours at room temperature. A white solid precipitated from solution and was collected by frit filtration and washed with additional pentane. Yield was 3.3 g (60%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06414095B1
Source datasetuspto-grants-2002_07
ORD IDord-62fda2f853d940168cdd07faae0d4e85
Source noteuspto-grants-2002_07