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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1099726Generated: October 25, 2026

2,4-Dihydroxybenzaldehyde → 3-(4-Methoxy-3-nitrobenzylsulfonyl)-7-hydroxy-2H-chromen-2-one

https://huagongshe.com/reaction/1099726

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,4-DihydroxybenzaldehydeHCID 7213—
Reactant2-((4-Methoxy-3-nitrobenzyl)sulfonyl)acetic acidHCID 40427067—
SolventAcetic AcidHCID 176—
Product3-(4-Methoxy-3-nitrobenzylsulfonyl)-7-hydroxy-2H-chromen-2-oneHCID 8661552962%

Reaction Steps

A solution of 4-hydroxysalicylaldehyde (1 mmol) and 2-(4-methoxy-3-nitrobenzylsulfonyl)acetic acid (1 mmol) in acetic acid (10 mL) was subjected to the General Procedure 2, Method A to generate a 62% yield of the title compound; m.p. 126-128° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08143428B2
Source datasetuspto-grants-2012_03
ORD IDord-86fb7ca43cc947ac995cd224f516bbbf
Source noteuspto-grants-2012_03