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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 327814Generated: October 25, 2026

hydroxylamine-O-sulfonic acid → 1-Amino-3-benzoylpyrrole

https://huagongshe.com/reaction/327814

Reaction equation

Participants

RoleNameHCIDCharge
Reactanthydroxylamine-O-sulfonic acidHCID 76284—
Reactant3-BenzoylpyrroleHCID 2773234—
SolventPotassium HydroxideHCID 14797—
Product1-Amino-3-benzoylpyrroleHCID 19973156—

Reaction Steps

A 3-benzoylpyrrole of the formula ##STR25## in potassium hydroxide or other suitable base is reacted with hydroxylamine-O-sulfonic acid to yield a 1-amino-3-benzoylpyrrole of the formula ##STR26## This reaction typically takes place in the presence of a suitable solvent such as dimethylformamide at a temperature of about 0° to 25° C. (or at room temperature) for 0.5 to 4 hours.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05274116
Source datasetuspto-grants-1993_12
ORD IDord-5254461ba2fb43b3bbf05656f276599b
Source noteuspto-grants-1993_12