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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 4489Generated: October 25, 2026

p-Toluenesulfonic acid → 2-p-Cyanophenyl-5-n-pentyl-4-methyl-1,3-dioxane

https://huagongshe.com/reaction/4489

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
Reactant4-CyanobenzaldehydeHCID 66042—
Reactant3-Hydroxymethyl-2-octanolHCID 13526101—
SolventBenzeneHCID 241—
Product2-p-Cyanophenyl-5-n-pentyl-4-methyl-1,3-dioxaneHCID 20150974—

Reaction Steps

A mixture of 0.1 mol of p-cyanobenzaldehyde, 0.1 mol of 3-hydroxymethyl-2-octanol, 200 ml of benzene and 150 mg of p-toluenesulfonic acid is boiled under a water separator until the reaction is complete. Usual working-up gives 2-p-cyanophenyl-5-n-pentyl-4-methyl-1,3-dioxane.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04726911
Source datasetuspto-grants-1988_02
ORD IDord-f338593bb42141e5a94468c5d011ca54
Source noteuspto-grants-1988_02