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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1245308Generated: October 31, 2026

Dimethylformamide → 3-Trifluoromethyl-7-propyl-6-(3-bromopropyloxy)-benzisoxazole

https://huagongshe.com/reaction/1245308

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
Reactant1,3-DibromopropaneHCID 8001—
ReactantCesium carbonateHCID 10796—
Reactant7-Propyl-3-(trifluoromethyl)benzo[d]isoxazol-6-olHCID 135800812—
SolventDiethyl EtherHCID 3283—
SolventEthyl AcetateHCID 8857—
Product3-Trifluoromethyl-7-propyl-6-(3-bromopropyloxy)-benzisoxazoleHCID 12031259—

Reaction Steps

To a DMF solution (50 mL) of 6-hydroxy-7-propyl-3-(trifluoromethyl)-1,2-benzisoxazole as prepared in Example 4 step 2 (5 grams, 20.4 mmol) was added 1,3-dibromopropane (10 mL, 98.5 mmol), followed by cesium carbonate (10 grams, 30.7 mmol). The mixture was stirred at room temperature overnight. After aqueous ether work-up and silica gel chromatography (hexanes: 2.5% ethyl acetate), the title compound was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07125865B2
Source datasetuspto-grants-2006_10
ORD IDord-f0731c5b14674bdbb77a1154701aa4ae
Source noteuspto-grants-2006_10