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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 255368Generated: October 26, 2026

Trifluoroacetic acid → 4-[2-(4-Aminopiperidin-1-yl)ethyl]-6-chloro-1,2,4-benzotriazin-3(4H)-one 1-oxide

https://huagongshe.com/reaction/255368

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant1-[2-(4-Aminopiperidin-1-yl)ethyl]-2-oxo-1,2-dihydroquinoxaline-6-carbonitrileHCID 66774135—
Reactanttert-Butyl {1-[2-(6-chloro-1-oxido-3-oxo-1,2,4-benzotriazin-4(3H)-yl)ethyl]piperidin-4-yl}carbamateHCID 86642661—
Product4-[2-(4-Aminopiperidin-1-yl)ethyl]-6-chloro-1,2,4-benzotriazin-3(4H)-one 1-oxideHCID 86642660—

Reaction Steps

tert-Butyl {1-[2-(6-chloro-1-oxido-3-oxo-1,2,4-benzotriazin-4(3H)-yl)ethyl]piperidin-4-yl}carbamate (Intermediate 206, 0.65 g) was deprotected with TFA as described for Intermediate 197 to give the crude free base of the product, 0.517 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07875715B2
Source datasetuspto-grants-2011_01
ORD IDord-fd2ad1f92e484c778e5be1d636517023
Source noteuspto-grants-2011_01