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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 441740Generated: October 30, 2026

HCID 178432449, compound → HCID 12405793, compound

https://huagongshe.com/reaction/441740

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 178432449HCID 178432449—
ReactantHCID 178517601HCID 178517601—
ProductHCID 12405793HCID 12405793—

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-phenyl-5-bromopyrazine and following substantially the same procedure there is obtained 2,5-dibromo-3-phenylpyrazine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04042586
Source datasetuspto-grants-1977_08
ORD IDord-2b769676b29542628ed3dca3a02ad9db
Source noteuspto-grants-1977_08