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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1953520Generated: October 25, 2026

Dimethyl Sulfoxide → 2-Chloro-3-nitrobenzaldehyde

https://huagongshe.com/reaction/1953520

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethyl SulfoxideHCID 679—
ReactantTriethylamineHCID 8471—
Reactant1-(Bromomethyl)-2-chloro-3-nitrobenzeneHCID 18363045—
CatalystBenzenesulfonic acid, 4-methyl-, silver(1+) salt (1:1)HCID 85606—
Product2-Chloro-3-nitrobenzaldehydeHCID 1266771320%

Reaction Steps

2-Chloro-3-nitrobenzaldehyde (150 mg, 20%) was prepared by reaction of 1-bromomethyl-2-chloro-3-nitrobenzene (1.0 g, 3.9 mmol) with silver p-toluenesulfonate (1.94 g, 1.75 equiv.) in DMSO in the presence of Et3N (4 mL, 7 equiv.) at rt for 1 hour.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06117881
Source datasetuspto-grants-2000_09
ORD IDord-3d1f8fa0a4094acbbd9fb996f554ad01
Source noteuspto-grants-2000_09