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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1796289Generated: November 1, 2026

Trifluoroacetic acid → (2R, 4R)-4-Methoxy-pyrrolidine-2-carboxylic acid [2-fluoro-4-(2-oxo-piperidin-1-yl)-phenyl]-amide

https://huagongshe.com/reaction/1796289

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(2R,4R)-2-[2-Fluoro-4-(2-oxo-piperidin-1-yl)-phenylcarbamoyl]-4-methoxy-pyrrolidine-1-carboxylic acid tert-butyl esterHCID 11154790—
SolventDichloromethaneHCID 6344—
Product(2R, 4R)-4-Methoxy-pyrrolidine-2-carboxylic acid [2-fluoro-4-(2-oxo-piperidin-1-yl)-phenyl]-amideHCID 11416392—

Reaction Steps

Into a solution of 8 (0.329 g, 0.761 mmol) in anhydrous CH2Cl2 (5 mL) was added TFA (5 mL). The solution was stirred at RT for 0.5 h before concentrating under reduced pressure to reveal 9 (0.255 g, 100%) as a tan oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07030141B2
Source datasetuspto-grants-2006_04
ORD IDord-1f36d462e84c4c0f905f8c72911c381d
Source noteuspto-grants-2006_04