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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 480927Generated: November 1, 2026

Chlorosulfonic acid → HCID 18766653, compound

https://huagongshe.com/reaction/480927

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorosulfonic acidHCID 24638—
Reactant4-Amino-3-methoxybenzonitrileHCID 11815931—
SolventChloroformHCID 6212—
ProductHCID 18766653HCID 18766653—

Reaction Steps

To a solution of 4-cyano-2-methoxyaniline (1 mmol) in chloroform (1 mL) at −78° C. is added chlorosulfonic acid. Upon reaction completion, the crude material is concentrated and may be purified by recrystalization to give N-(4-cyano-2-methoxyphenyl)-sulfamic acid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06653347B2
Source datasetuspto-grants-2003_11
ORD IDord-a8a0e5620d3d4631960543ac88b34b4c
Source noteuspto-grants-2003_11