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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 443629Generated: October 25, 2026

3,5-Dimethoxybenzaldehyde → 3,5-Dimethoxy-beta-methylstyrene oxide

https://huagongshe.com/reaction/443629

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,5-DimethoxybenzaldehydeHCID 81747—
ReactantDiphenylsulfoniumHCID 22290449—
SolventTetrahydrofuranHCID 8028—
Product3,5-Dimethoxy-beta-methylstyrene oxideHCID 13060440—

Reaction Conditions

Temperature-78 °C

Reaction Steps

To a -78° C. solution of diphenylsulfonium ethylide (1.0 mole) in tetrahydrofuran (one liter) is slowly added 3,5-dimethoxybenzaldehyde (1.0 mole). The reaction mixture is stirred at -78° C. for 3 hours and then allowed to warm to room temperature. It is then added to ether-water and the ether phase separated. The ether phase is washed with water, dried (MgSO4) and evaporated. Fractional distillation of the residue gives the title product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04260764
Source datasetuspto-grants-1981_04
ORD IDord-a69e818e860343e7ba1166d54ddbda8f
Source noteuspto-grants-1981_04