Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1644504Generated: October 26, 2026

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

https://huagongshe.com/reaction/1644504

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-3-oxo-1,2,4-benzotriazin-4(3H)-yl)ethyl]piperidin-4-yl}carbamateHCID 86664539—
Product4-[2-(4-Aminopiperidin-1-yl)ethyl]-6-chloro-1,2,4-benzotriazin-3(4H)-oneHCID 66774294—

Reaction Steps

tert-Butyl{1-[2-(6-chloro-3-oxo-1,2,4-benzotriazin-4(3H)-yl)ethyl]piperidin-4-yl}carbamate (Intermediate 208, 74 mg) was deprotected with TFA as described for Intermediate 197 to give the crude free base of the product, 67 mg.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08124602B2
Source datasetuspto-grants-2012_02
ORD IDord-889abd1aad8a4360a7ca016c081926b8
Source noteuspto-grants-2012_02