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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1770187Generated: November 1, 2026

Ethanol → HCID 20095038, compound

https://huagongshe.com/reaction/1770187

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantSodium CarbonateHCID 10340—
Reactant2,5-DibromothiopheneHCID 18453—
Reactant2-Octylindane-5-boronic acidHCID 22099086—
CatalystTetrakis(triphenylphosphine)palladiumHCID 11979704—
SolventBenzeneHCID 241—
ProductHCID 20095038HCID 2009503891%

Reaction Steps

0.82 g (3.0 mM) of 2-octylindan-5-boronic acid, 0.36 g (1.5 mM) of 2,5-dibromothiophene, 2 ml of ethanol, 4 ml of benzene, 4 ml of 2M-sodium carbonate aqueous solution and 0.12 g of tetrakis (triphenylphosphine)palladium (O) were mixed and heat-refluxed for 1 hour under stirring. After the reaction, the reaction mixture was poured into ice water to precipitate a crystal. The crystal was recovered by filtration under reduced pressure and purified by silica gel column chromatography (eluent: hexane/toluene=2/1) and recrystallized from a mixture solvent (toluene/methanol) to obtain 0.74 g (1.37 mM) of 2,5-bis(2-octylindan-5-yl)thiophene (Yield: 91%). ##STR326##

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05385692
Source datasetuspto-grants-1995_01
ORD IDord-2f8cb8448a9446ec9f61396c873681b7
Source noteuspto-grants-1995_01