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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1066358Generated: November 1, 2026

Oxalyl chloride → Thiophene-2-sulfonyl isocyanate

https://huagongshe.com/reaction/1066358

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalyl chlorideHCID 65578—
Reactant2-ThiophenesulfonylamideHCID 86585375—
Solvent1,2-DichloroethaneHCID 11—
ProductThiophene-2-sulfonyl isocyanateHCID 12875192—

Reaction Steps

A mixture of 2-thiophenesulfonylamide (1.5 g) and oxalyl chloride (6 mL) in 10 mL of 1,2-dichloroethane was refluxed for 14 h. The solvent was removed under vacuum and the crude used as is for the next step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06242493B1
Source datasetuspto-grants-2001_06
ORD IDord-c87843ceab0f4afe83f985e1c0d6e408
Source noteuspto-grants-2001_06