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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2210446Generated: October 31, 2026

4-Amino-3-pyridinesulfonamide → HCID 19378736, compound

https://huagongshe.com/reaction/2210446

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Amino-3-pyridinesulfonamideHCID 10975966—
SolventButyric anhydrideHCID 7798—
ProductHCID 19378736HCID 19378736—

Reaction Conditions

Temperature180 °C

Reaction Steps

A mixture of 1 g of 4-aminopyridine-3-sulfonamide (Preparation 2) and 10 cm3 of butyric anhydride is heated to 180° C. for 18 hours. After cooling, the crystals obtained are collected on a filter, washed with a small amount of butyric anhydride and with diethyl ether and then dried. The product is recrystallized from hot water.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05459138
Source datasetuspto-grants-1995_10
ORD IDord-ab5a45239e944353a2a59d3ef0c2f8a2
Source noteuspto-grants-1995_10