Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2052199Generated: October 27, 2026

Acetic Anhydride → alpha-(2-Acetoxy-5-sulfophenylazo)acetoacetanilide

https://huagongshe.com/reaction/2052199

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
Reactantalpha-(2-Hydroxy-5-sulfophenylazo)acetoacetanilideHCID 135839437—
SolventPyridineHCID 1049—
Productalpha-(2-Acetoxy-5-sulfophenylazo)acetoacetanilideHCID 23336111—

Reaction Steps

α-(2-hydroxy-5-sulfophenylazo)acetoacetanilide (40 g) was dissolved in boiling pyridine (750 ml) and acetic anhydride (100 ml) added. Some material precipitated while the reaction mixture was hot. After being cooled, the product was filtered off and dried. Yield: 38 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04183755
Source datasetuspto-grants-1980_01
ORD IDord-dc614a1fcf76419a9bcd9dce6a459e38
Source noteuspto-grants-1980_01