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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1252693Generated: November 2, 2026

Potassium Carbonate → HCID 20139323, compound

https://huagongshe.com/reaction/1252693

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant2-(2-Bromoethyl)oxiraneHCID 100414—
Reactant3-(1-Piperazinyl)-1,2-benzisothiazoleHCID 2772144—
SolventAcetoneHCID 180—
ProductHCID 20139323HCID 2013932373.8%

Reaction Steps

A mixture of 4-bromo-1,2-epoxybutane (1.06 g; 7.02 mmol), 3-(1-piperazinyl)-1,2-benzisothiazole (1.65 g; 7.52 mmol), potassium carbonate (1.6 g; 11.3 mmol) and acetone (20 ml) was stirred under reflux for 19 hours. Confirming complete consumption of the starting materials, insoluble materials were removed by filtration, and the filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography to give the objective compound (1.5 g). Yield, 73.8%. IR νmaxfilm (cm-1): 1590, 1560, 1490, 1460.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04745117
Source datasetuspto-grants-1988_05
ORD IDord-7d1fb45f30c041ef8ffef61e6c926542
Source noteuspto-grants-1988_05