Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1506995Generated: October 31, 2026

N-methyl-2-pyrrolidone → HCID 117739052, compound

https://huagongshe.com/reaction/1506995

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-methyl-2-pyrrolidoneHCID 13387—
ReactantHCID 117739235HCID 117739235—
CatalystZinc cyanide (Zn(CN)2)HCID 11186—
CatalystHCID 178418397HCID 178418397—
ProductHCID 117739052HCID 11773905287%

Reaction Conditions

Temperature80 °C

Reaction Steps

To a solution of (S)-tert-butyl 1-(5-bromo-4-oxo-3-(pyridin-3-yl)-3,4-dihydroquinazolin-2-yl)ethylcarbamate (255 mg, 0.58 mmol) in NMP (2 mL) was added zinc cyanide (74 mg, 0.63 mmol) and (PPh3)4Pd (66 mg, 0.06 mmol). The resulting suspension was degassed under Argon and heated to 80° C. for 5 hours. The reaction was poured into EtOAc, washed twice with aq. NaHCO3 and once with brine. Purification by flash chromatography (0-75% EtOAc/hexanes) provided (S)-tert-butyl 1-(5-cyano-4-oxo-3-(pyridin-3-yl)-3,4-dihydroquinazolin-2-yl)ethylcarbamate 196 mg (87%). ES/MS 392.1 (M+H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09221795B2
Source datasetuspto-grants-2015_12
ORD IDord-61453700ff39448d8394ff23ba73ab6d
Source noteuspto-grants-2015_12