Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 325575Generated: October 29, 2026

p-Toluenesulfonic acid → HCID 53763354, compound

https://huagongshe.com/reaction/325575

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
Reactant3,4-dihydro-2H-pyranHCID 8080—
ReactantHCID 53742909HCID 53742909—
SolventTolueneHCID 1140—
ProductHCID 53763354HCID 53763354—

Reaction Steps

A mixture of 7 g. 3-(4-tetradecenylamino)benzoic acid, 2 g. dihydropyran and 100 mg. anhydrous p-toluenesulfonic acid in 50 ml. toluene is stirred at room temperature for 20 hours. The solution is washed with saturated sodium bicarbonate, dried, and evaporated. The residue is collected and crystallized from methylcyclohexane to yield the product as white crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04440940
Source datasetuspto-grants-1984_04
ORD IDord-e8ce194482884e3cb0e1a92fbc6360c2
Source noteuspto-grants-1984_04