Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1107553Generated: October 29, 2026

Dimethyl Sulfoxide → 3,4-Dihydro-2H-1-benzopyran-5-carboxaldehyde

https://huagongshe.com/reaction/1107553

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethyl SulfoxideHCID 679—
ReactantOxalyl chlorideHCID 65578—
Reactant3,4-Dihydro-2H-1-benzopyran-5-methanolHCID 18787460—
SolventTriethylamineHCID 8471—
Product3,4-Dihydro-2H-1-benzopyran-5-carboxaldehydeHCID 18787481100%

Reaction Steps

(2H-3,4-Dihydrobenzopyran-5-yl)methanol was oxidized using DMSO, oxalyl chloride, and triethyl amine similar to the above procedures to give the product as a clear oil (100%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06060506
Source datasetuspto-grants-2000_05
ORD IDord-46d1d4c75ecb4069a24d5aea8eba1e13
Source noteuspto-grants-2000_05