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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1900837Generated: October 31, 2026

Potassium Carbonate → HCID 54330815, compound

https://huagongshe.com/reaction/1900837

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant2-Butene, 1-bromo-HCID 122414—
ReactantHCID 23369635HCID 23369635—
SolventDimethylformamideHCID 6228—
ProductHCID 54330815HCID 5433081565.4%

Reaction Conditions

Temperature70 °C

Reaction Steps

To a solution of 5-hydroxy-3,3,8-trimethyl-3,4-dihydrocarbostyril (23 g, 11.2 mmol) and potassium carbonate (3.1 g, 22.4 mmol) in dimethylformamide (20 ml), crotyl bromide (1.8 g, 13.4 mmol) was added and stirred at 70° C. for 2 hours. The reaction mixture was poured into ice-water, and precipitated crystals were collected by filtration. The collected crude crystals were dissolved in chloroform, washed with water, and dried. The solvent was evaporated, and the residue was recrystallized from chloroform-hexane. 1.9 g of the title compound was obtained as colorless needles (65.4%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05576324
Source datasetuspto-grants-1996_11
ORD IDord-339b52a6b59b48c5a5571dd6c56722a2
Source noteuspto-grants-1996_11