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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 231886Generated: October 30, 2026

Ammonia → 2-[4-(Benzyloxy)-2-oxo-2,5-dihydro-1H-pyrrol-1-yl]acetamide

https://huagongshe.com/reaction/231886

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
Reactant4-Benzyloxy-3-pyrrolin-2-on-1-yl acetic acid benzyl esterHCID 14274471—
SolventMethanolHCID 887—
Product2-[4-(Benzyloxy)-2-oxo-2,5-dihydro-1H-pyrrol-1-yl]acetamideHCID 14274472—

Reaction Steps

25.0 g of 4-benzyloxy-3-pyrrolin-2-on-1-yl acetic acid benzyl ester was dissolved in 500 ml of methanol and stirred at 40° C. with passing of gaseous NH3 for 5 hours. Then the reaction solution was evaporated and the residue was mixed with 50 ml of acetone. The precipitated crystals were filtered by suction and dried. 15.2 g of TLC pure product with a melting point of 174.5° to 175.5° C. was obtained. For the product:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04849528
Source datasetuspto-grants-1989_07
ORD IDord-1f8fe3bce16c4d26a5136cdd3c7c7eda
Source noteuspto-grants-1989_07