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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 342093Generated: October 31, 2026

Dimethyl Sulfoxide → 2,3-Dihydro-2,2-dimethyl-4-benzofurancarboxaldehyde

https://huagongshe.com/reaction/342093

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethyl SulfoxideHCID 679—
ReactantOxalyl chlorideHCID 65578—
ReactantHCID 18787456HCID 18787456—
SolventTriethylamineHCID 8471—
Product2,3-Dihydro-2,2-dimethyl-4-benzofurancarboxaldehydeHCID 18787468122.8%

Reaction Steps

2,2-Dimethyl-2,3-dihydro-benzofuran-4-methanol (7.35 g, 41 mmol) was oxidized using DMSO, oxalyl chloride, and triethyl amine similar to the above procedures to give the product as a clear oil (8.87 g, 100%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05856529
Source datasetuspto-grants-1999_01
ORD IDord-349e233286a6440bade4f50d69e07253
Source noteuspto-grants-1999_01