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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1353312Generated: November 1, 2026

Trifluoroacetic acid → HCID 21101958, compound

https://huagongshe.com/reaction/1353312

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
Reactant4,7-dichloro-2-methylquinolineHCID 854747—
SolventDichloromethaneHCID 6344—
ProductHCID 21101958HCID 2110195847.3%

Reaction Steps

4,7-Dichloro-2-methylquinoline (De, D., Byers L. D., Krogstad, D. J. J. Heterocyclic Chem. 1997, 34, 315) (453 mg, 2.1 mmol) and 1-tert-butoxycarbonylpiperazine (2.05 g, 11.0 mmol) are reacted according to method A. The Boc group is cleaved with trifluoroacetic acid (5 mL) in CH2Cl2 (5 mL) giving 0.26 g of the piperazine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07220856B2
Source datasetuspto-grants-2007_05
ORD IDord-7d3f96daa4df44c0bfbe5d45386a6044
Source noteuspto-grants-2007_05