Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2052198Generated: November 3, 2026

Thionyl Chloride → alpha-(2-Acetoxy-5-chlorosulfonylphenylazo)acetoacetanilide

https://huagongshe.com/reaction/2052198

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactantalpha-(2-Acetoxy-5-sulfophenylazo)acetoacetanilideHCID 23336111—
SolventDimethylformamideHCID 6228—
Productalpha-(2-Acetoxy-5-chlorosulfonylphenylazo)acetoacetanilideHCID 23336104—

Reaction Steps

α-(2-Acetoxy-5-sulfophenylazo)acetoacetanilide (20 g) was added to thionyl chloride (100 ml). After the addition of dimethylformamide (4 ml), solution was complete, then followed by precipitation of the product. It was filtered off and dried in the vacuum oven at 40° C. Yield: 16.7 g, m.p. 225 to 226° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04183755
Source datasetuspto-grants-1980_01
ORD IDord-1e23badd5e464a70944d12ae6e208986
Source noteuspto-grants-1980_01