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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2228614Generated: October 30, 2026

Ketone, 2,4-dimethylpyrrol-3-yl methyl → HCID 4319583, compound

https://huagongshe.com/reaction/2228614

Reaction equation

Participants

RoleNameHCIDCharge
ReactantKetone, 2,4-dimethylpyrrol-3-yl methylHCID 15163—
ReactantSodium SulfiteHCID 24437—
ReactantN-bromobutanimideHCID 67184—
SolventTetrahydrofuranHCID 8028—
ProductHCID 4319583HCID 4319583—

Reaction Steps

To a stirred suspension of 3-acetyl-2,4-dimethyl-1H-pyrrole (2.89 g, 21.1 mmol) in THF (80 mL) was added NBS (3.75 g, 21.1 mmol) at −78° C. under nitrogen. After stirring for 30 minutes at same temperature, the mixture was allowed to warm to room temperature and stirred for 1 hour. Sodium sulfite (4.3 g) was added to the mixture and volatiles were removed by evaporation. Water (100 mL) was added to the mixture, and the precipitates were collected by filtration to give 5.33 g (quant. including water) of the subtitle product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06417202B1
Source datasetuspto-grants-2002_07
ORD IDord-0c3567dbca57447a8985edf4baa935fc
Source noteuspto-grants-2002_07