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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2217587Generated: October 31, 2026

Trifluoroacetic acid → (2R,4R)-4-[(4-Methoxy-pyrrolidine-2-carbonyl)-amino]-benzoic acid methyl ester

https://huagongshe.com/reaction/2217587

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(2R,4R)-4-Methoxy-2-(4-methoxycarbonyl-phenylcarbamoyl)-pyrrolidine-1-carboxylic acid tert-butyl esterHCID 68808041—
SolventDichloromethaneHCID 6344—
Product(2R,4R)-4-[(4-Methoxy-pyrrolidine-2-carbonyl)-amino]-benzoic acid methyl esterHCID 68815558100.1%

Reaction Steps

Into a solution of 7 (12.5 g, 33.0 mmol) in anhydrous CH2Cl2 (70 mL) was added TFA (20 mL). The solution was stirred at RT overnight before concentrating under reduced pressure to give 8 (9.19 g, 100%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07407974B2
Source datasetuspto-grants-2008_08
ORD IDord-9432a9e6745845d9a3147a3ecbe6fb60
Source noteuspto-grants-2008_08