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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 493261Generated: October 29, 2026

Sodium hydride → 4-{2-[(3-Chloro-2-pyrazinyl)oxy]ethoxy}-1,3-benzoxazol-2-amine

https://huagongshe.com/reaction/493261

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium hydrideHCID 24758—
Reactant2,3-DichloropyrazineHCID 78575—
Reactant4-(2-Hydroxyethoxy)-2-amino-1,3-benzoxazolHCID 22036460—
Product4-{2-[(3-Chloro-2-pyrazinyl)oxy]ethoxy}-1,3-benzoxazol-2-amineHCID 53986732—

Reaction Steps

The title compound was prepared according to the procedure of Example 4, Step 1, except that 4 equiv of both NaH and 2,3-dichloropyrazine were used, starting from the product of Step 1 The reaction temperature was 90° C. The crude product was used directly in the next step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07534794B2
Source datasetuspto-grants-2009_05
ORD IDord-7259aaa396874e8cb694f909b3769e76
Source noteuspto-grants-2009_05