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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1530627Generated: November 3, 2026

Ammonium Chloride → tert-Butyl 3-acetylpyrrolidine-1-carboxylate

https://huagongshe.com/reaction/1530627

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmonium ChlorideHCID 25517—
ReactantTert-butyl 3-[methoxy(methyl)carbamoyl]pyrrolidine-1-carboxylateHCID 57419605—
ReactantHCID 178418332HCID 178418332—
SolventTetrahydrofuranHCID 8028—
Producttert-Butyl 3-acetylpyrrolidine-1-carboxylateHCID 2525702169%

Reaction Conditions

Temperature0 °C

Reaction Steps

A mixture of tert-butyl 3-(N-methoxy-N-methylcarbamoyl)pyrrolidine-1-carboxylate (6.30 g, 24.3 mmol) and MeMgCl (3.0 M, 40 mL) in THF (100 mL) was stirred at 0° C. for 3 h. Sat. NH4Cl was added to quench reaction. The resulting mixture was extracted with ethyl acetate (30 mL), washed with brine, dried over MgSO4, filtered, and evaporated to give tert-butyl 3-acetylpyrrolidine-1-carboxylate (3.6 g, 69% yield) as yellow oil. LCMS (ESI) m/z: 158.3 [M-56+H+].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09090628B2
Source datasetuspto-grants-2015_07
ORD IDord-df4b72f930d4447495f3fa2832316819
Source noteuspto-grants-2015_07