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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1855716Generated: November 1, 2026

Potassium cyanate → Sulbenox

https://huagongshe.com/reaction/1855716

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium cyanateHCID 11378442—
Reactant4,5,6,7-Tetrahydro-7-oxobenzo[b]thiophen-4-amine hydrochlorideHCID 23347795—
SolventWaterHCID 962—
ProductSulbenoxHCID 65473—

Reaction Steps

An aqueous solution of 4,5,6,7-tetrahydro-7-oxobenzo[b]thiophen-4-amine hydrochloride (1.01 g/5 ml water) is treated with 0.81 g of potassium cyanate in 2 ml of water at pH 6-7 to afford the title compound, which is collected and washed with water to afford 0.93 g, m.p. 241° C. to 242° C. dec.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04216149
Source datasetuspto-grants-1980_08
ORD IDord-5cd6fc17efc6410fb75d3f7f28d37424
Source noteuspto-grants-1980_08