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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 20109Generated: October 26, 2026

Trifluoroacetic acid → Trifluoroacetic acid

https://huagongshe.com/reaction/20109

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-Butyl 4-[1-(2,4-dimethoxybenzyl)-2-oxo-1,4-dihydropyrido[3,2-d]pyrimidin-3(2H)-yl]piperidine-1-carboxylateHCID 22293253—
ProductTrifluoroacetic acidHCID 6422—
Product3-Piperidin-4-yl-3,4-dihydropyrido[3,2-d]pyrimidin-2(1H)-oneHCID 22293304—

Reaction Steps

tert-Butyl 4-[1-(2,4-dimethoxybenzyl)-2-oxo-1,4-dihydropyrido[3,2-d]pyrimidin-3(2H)-yl]piperidine-1-carboxylate (0.10 g, 0.21 mmol) was dissolved in trifluoroacetic acid (5 mL) and stirred overnight. The reaction was concentrated to afford the bis-TFA salt of the title compound (0.048 g). MS 233.2 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07745427B2
Source datasetuspto-grants-2010_06
ORD IDord-2443dacd7c7643169d80313eff6c91f4
Source noteuspto-grants-2010_06