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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1061680Generated: November 2, 2026

Acetic Anhydride → HCID 22284133, compound

https://huagongshe.com/reaction/1061680

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
ReactantHCID 22284342HCID 22284342—
SolventAcetoneHCID 180—
ProductHCID 22284133HCID 22284133—

Reaction Steps

Acetic anhydride is added to a suspension of {(3RS)-4-acetyl-3-isopropyl-2-oxo-6-(3,4,5-trihydroxyphenyl)-1,2,3,4-tetrahydropyrazin-1-yl}acetic acid (630 mg, Reference compound No. 62-2) in acetone (10 ml), and the mixture is stirred for one week. The reaction mixture is concentrated under reduced pressure to give the titled reference compound (790 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06960575B2
Source datasetuspto-grants-2005_11
ORD IDord-c3734e76eb324bb6b149e7e645a6c57e
Source noteuspto-grants-2005_11