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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 358448Generated: October 29, 2026

Thionyl Chloride → HCID 20448117, compound

https://huagongshe.com/reaction/358448

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
ReactantHCID 20448125HCID 20448125—
CatalystDimethylformamideHCID 6228—
SolventBenzeneHCID 241—
ProductHCID 20448117HCID 20448117—

Reaction Steps

A mixture of 6,7-diacetoxy-2-oxo-2H-1-benzothiopyran-3-carboxylic acid (60 mg), thionyl chloride (40 μL), and dimethylformamide (one drop) was heated under reflux for 2 hours in benzene (15 mL), and then the solvent was distilled off. Benzene (15 mL) was added to the residue, and the benzene was distilled off again, followed by vacuum drying to yield 6,7-diacetoxy-2-oxo-2H-1-benzothiopyran-3-carbonyl chloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04468394
Source datasetuspto-grants-1984_08
ORD IDord-5df47d0b3b8046418bb6521cf2ee2468
Source noteuspto-grants-1984_08