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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1099708Generated: October 31, 2026

5-Chloro-salicylaldehyde → 6-chloro-N-(3-hydroxy-4-methoxyphenyl)-2-oxo-2H-chromene-3-sulfonamide

https://huagongshe.com/reaction/1099708

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Chloro-salicylaldehydeHCID 12481—
Reactant3-Hydroxy-4-methoxyanilinosulfonyl acetic acidHCID 43714844—
SolventAcetic AcidHCID 176—
Product6-chloro-N-(3-hydroxy-4-methoxyphenyl)-2-oxo-2H-chromene-3-sulfonamideHCID 11703629—

Reaction Steps

A solution of 5-chlorosalicylaldehyde (1 mmol) and 3-hydroxy-4-methoxyanilinosulfonyl acetic acid (1 mmol) in acetic acid (10 mL) was subjected to the General Procedure 1, Method A to yield the title compound; m.p. 225-226° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08143428B2
Source datasetuspto-grants-2012_03
ORD IDord-5d71edee3d6b438997de147fb656f520
Source noteuspto-grants-2012_03