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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1405850Generated: October 29, 2026

Ethyl Acetate → HCID 66747915, compound

https://huagongshe.com/reaction/1405850

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
ReactantIsobutyl iodideHCID 10556—
ReactantPotassium CarbonateHCID 11430—
Reactant4-(2,2-Dioxido-3,4-dihydropyrido[2,1-c][1,2,4]thiadiazin-9-yl)phenolHCID 66747817—
SolventDimethyl SulfoxideHCID 679—
SolventTetrahydrofuranHCID 8028—
ProductHCID 66747915HCID 6674791543.2%

Reaction Conditions

Temperature130 °C

Reaction Steps

To a mixture of 4-(2,2-dioxido-3,4-dihydropyrido[2,1-c][1,2,4]thiadiazin-9-yl)phenol (200 mg), potassium carbonate (260 mg) in DMSO (4 mL) was added 1-iodo-2-methylpropane (173 mg). The mixture was stirred at 130° C. for 1 hr. Another 1-iodo-2-methylpropane (0.10 mL) was added and the mixture was stirred at room temperature overnight. 0.5N NaOHaq, EtOAc and THF were added and the extracted organic layer was washed with water and brine, dried over anhydrous sodium sulfate and concentrated in vacuo. The residue was crystallized from THF-MeOH/IPE to give the title compound (104 mg) as colorless crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08916551B2
Source datasetuspto-grants-2014_12
ORD IDord-8effe1c48a5e439eb0939d716bc50957
Source noteuspto-grants-2014_12