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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1532534Generated: October 31, 2026

Hydrochloric Acid → 4-Ethynyl-4,4'-dipentylbicyclohexyl

https://huagongshe.com/reaction/1532534

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantWaterHCID 962—
Reactant4-(1,2-Dibromoethyl)-4,4'-dipentylbicyclohexylHCID 15456825—
ReactantPotassium tert-butoxideHCID 23665647—
Solventtert-ButanolHCID 6386—
Product4-Ethynyl-4,4'-dipentylbicyclohexylHCID 15451976—

Reaction Conditions

Temperature60 °C

Reaction Steps

32.48 g of KOtBu are added at RT to 47.50 g of 4-(1,2-dibromoethyl)-4,4′-dipentylbicyclohexyl in 150 ml of tert-butanol. The mixture is heated to 60° C. and stirred at this temperature overnight. Water is subsequently added to the reaction mixture, which is acidified with dilute hydrochloric acid and subjected to conventional work-up, giving 4-ethynyl-4,4′-dipentylbicyclohexyl.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06203724B1
Source datasetuspto-grants-2001_03
ORD IDord-7741f9bc30f3400cbec45fdcd9a0be6d
Source noteuspto-grants-2001_03