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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 441741Generated: October 30, 2026

HCID 178432449, compound → 2,5-Dibromo-3-ethylpyrazine

https://huagongshe.com/reaction/441741

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 178432449HCID 178432449—
Reactant2-Hydroxy-3-ethyl-5-bromopyrazineHCID 178437555—
Product2,5-Dibromo-3-ethylpyrazineHCID 20528927—

Reaction Steps

By replacing the 2-hydroxy-3-methyl-5-bromopyrazine used in Step A of Preparation 87 by an equivalent quantity of 2-hydroxy-3-ethyl-5-bromopyrazine and following substantially the same procedure, there is obtained 2,5-dibromo-3-ethylpyrazine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04042586
Source datasetuspto-grants-1977_08
ORD IDord-5697b262594147beb52f4250dfa2a143
Source noteuspto-grants-1977_08