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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 718515Generated: October 26, 2026

6-Methyl-5-hepten-2-one → (3,7-Dimethylocta-2,6-dienyl)benzene

https://huagongshe.com/reaction/718515

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-Methyl-5-hepten-2-oneHCID 9862—
ReactantPhenethyltriphenylphosphonium bromideHCID 10863251—
ReactantButyllithiumHCID 178418339—
Product(3,7-Dimethylocta-2,6-dienyl)benzeneHCID 31770117.4%

Reaction Steps

Starting from phenethyltriphenylphosphonium bromide (3.48 g, 7.78 mmol, 1.0 equiv.), n-BuLi (1.6 M in hexanes, 4.9 mL, 7.78 mmol, 1.0 equiv.) and 6-methylhept-5-en-2-one (1.48 g, 11.7 mmol, 1.5 equiv.), 0.29 g (17%) of the title compound as a colorless oil was obtained after purification by flash chromatography on SiO2 (cyclohexane).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09193935B2
Source datasetuspto-grants-2015_11
ORD IDord-98f93d6b988d4c6b80eea9dbff336a80
Source noteuspto-grants-2015_11