Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1192655Generated: November 1, 2026

Piperazine → HCID 67301190, compound

https://huagongshe.com/reaction/1192655

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
ReactantCesium carbonateHCID 10796—
ReactantHCID 58368658HCID 58368658—
SolventWaterHCID 962—
SolventTetrahydrofuranHCID 8028—
ProductHCID 67301190HCID 6730119063.5%

Reaction Conditions

Temperature65 °C

Reaction Steps

A stirred mixture of 7-acetyl-5-chloroquinolin-8-yl trifluoromethanesulfonate (1.1 g, 3.1 mmol, from Example 47, Step 2), piperazine (0.40 g, 4.7 mmol) and cesium carbonate (2.8 g, 8.7 mmol) in tetrahydrofuran (20 mL) was heated at 65° C. overnight. The mixture was cooled, diluted with water, and extracted with dichloromethane. The organic phases were combined, dried over MgSO4 and concentrated. The resulting residue was purified on silica gel (eluting with 15% methanol in dichloromethane) to give the desired product (0.57 g, 63%). LCMS calculated for C15H17ClN3O (M+H)+: m/z=290.1; Found: 290.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08680108B2
Source datasetuspto-grants-2014_03
ORD IDord-692f44497f274e659982e23ad851af25
Source noteuspto-grants-2014_03