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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 254294Generated: October 25, 2026

N-bromobutanimide → 1-Bromo-8-fluoro-3,4-dimethylimidazo[1,5-a]quinoxaline

https://huagongshe.com/reaction/254294

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-bromobutanimideHCID 67184—
Reactant8-Fluoro-3,4-dimethylimidazo[1,5-a]quinoxalineHCID 57732459—
Product1-Bromo-8-fluoro-3,4-dimethylimidazo[1,5-a]quinoxalineHCID 5773245289%

Reaction Steps

Reaction of intermediate 4A (1.55 g, 7.2 mmol) and NBS (1.92 g, 10.8 mmol) provided the product 5A as an off-white solid (1.87 g, 89% yield). EIMS 293.9 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07875618B2
Source datasetuspto-grants-2011_01
ORD IDord-2870e4b00688498ab67c8c12701b213e
Source noteuspto-grants-2011_01