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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 654146Generated: October 30, 2026

Toluene → 2-Methoxymethyl-2-methyl-6-cyano-4-chromanone

https://huagongshe.com/reaction/654146

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTolueneHCID 1140—
ReactantMethoxyacetoneHCID 22172—
ReactantPyrrolidineHCID 31268—
Reactant3-Acetyl-4-hydroxybenzonitrileHCID 12332832—
SolventWaterHCID 962—
Product2-Methoxymethyl-2-methyl-6-cyano-4-chromanoneHCID 15056479—

Reaction Steps

a mixture of 50 g of 3-acetyl-4-hydroxybenzonitrile, 70 ml of methoxy-2-propanone, 6 ml of pyrrolidine and 300 ml of toluene is boiled in a water separator for 3 hours. The mixture is evaporated, the residue is worked up in the customary manner (ethyl acetate/dil. hydrochloric acid) and 2-methoxymethyl-2-methyl-6-cyano-4-chromanone is obtained, m.p. 79°-81° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05130322
Source datasetuspto-grants-1992_07
ORD IDord-9562ccf88c7f43e1bc049adc16efce4c
Source noteuspto-grants-1992_07