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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2416523Generated: November 2, 2026

Chloropyrazine → 5-Pyrazinyl-3-thiophenecarboxaldehyde

https://huagongshe.com/reaction/2416523

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChloropyrazineHCID 73277—
Reactant2-BromopyrimidineHCID 78345—
Reactant4-Bromo-2-fluorobenzaldehydeHCID 143517—
Reactant5-Bromothiophene-3-carbaldehydeHCID 12284894—
Product5-Pyrazinyl-3-thiophenecarboxaldehydeHCID 86590275—

Reaction Steps

The title compound is prepared by a procedure analogous to Reference Example 15 by substituting 5-bromo-3-thiophenecarboxaldehyde (prepared as described in Chem. Pharm. Bull. 1999, 47,1393) and chloropyrazine, respectively, for the 4-bromo-2-fluorobenzaldehyde and 2-bromopyrimidine of Reference Example 15. MS 191 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06825170B2
Source datasetuspto-grants-2004_11
ORD IDord-f128ac031bf14c27890b8e8ff2981759
Source noteuspto-grants-2004_11