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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1977531Generated: November 1, 2026

Cyclopentadiene → HCID 131722566, compound

https://huagongshe.com/reaction/1977531

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclopentadieneHCID 7612—
ReactantAllyl bromideHCID 7841—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 21998292HCID 21998292—
CatalystTrioctylmethylammonium chlorideHCID 21218—
SolventWaterHCID 962—
ProductHCID 131722566HCID 131722566—

Reaction Steps

A 1.0 L double-walled reactor, provided with baffles, condenser, top stirrer, thermometer and dropping funnel equipped with a nitrogen inlet was charged with ALIQUAT 336 (7.7 g, 19 mmol), allylbromide (43.6 g, 0.36 mol) and freshly cracked cyclopentadiene (11.9 g, 0.18 mol). A 50 wt. % NaOH aqueous solution (147 g) was then added via the dropping funnel to the turbulently stirred reaction mixture. The reaction mixture was cooled with water during the addition of the base. After 3 hours of stirring at room temperature, GC analysis showed that 6% of mono-, 75% of di- and 19% of tri(allyl)cyclopentadiene were present in the mixture. The product was distilled at reduced pressure and after vacuum distillation, 9.75 g of di(allyl)cyclopentadiene were obtained. Characterization of the product took place with the aid of GC, GC-MS, 13C- and 1H-NMR.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06232516B1
Source datasetuspto-grants-2001_05
ORD IDord-5fc9bf23c3b04f72b9717c1fa8e004b4
Source noteuspto-grants-2001_05