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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2372182Generated: November 1, 2026

Azobisisobutyronitrile → Ethyl 4-chloro-2-(1-bromoethyl)nicotinate

https://huagongshe.com/reaction/2372182

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAzobisisobutyronitrileHCID 6547—
ReactantN-bromobutanimideHCID 67184—
ReactantEthyl 4-chloro-2-ethylpyridine-3-carboxylateHCID 19902853—
SolventCarbon TetrachlorideHCID 5943—
ProductEthyl 4-chloro-2-(1-bromoethyl)nicotinateHCID 19902854—

Reaction Steps

A mixture of the above ethylnicotinate (5.45 g), N-bromosuccinimide (NBS) (5.50 g) and 2,2'-azobis(2-methylpropionitrile) (AIBN) (0.40 g) in carbon tetrachloride (50 ml) is heated under reflux for 2 hours, then cooled, filtered and concentrated in vacuo to give ethyl 4-chloro-2-(1-bromoethyl)nicotinate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05098462
Source datasetuspto-grants-1992_03
ORD IDord-d562e3ad57e64f6793078b62d9e26244
Source noteuspto-grants-1992_03