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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1195976Generated: October 31, 2026

Water → 5-Formyl-2,3-dimethoxybenzonitrile

https://huagongshe.com/reaction/1195976

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantN-methyl-2-pyrrolidoneHCID 13387—
Reactant3-Bromo-4,5-dimethoxybenzaldehydeHCID 81379—
Product5-Formyl-2,3-dimethoxybenzonitrileHCID 19041810—

Reaction Steps

A mixture containing 2.5 g of 3,4-dimethoxy-5-bromobenzaldehyde and 1.0 g of cuprous cyanide in N-methylpyrrolidone was refluxed for 2 h. Water was added and the solution was extracted with dichloromethane. The solvent was evaporated in vacuo. Yield 1.55 g (81%), m.p. 109°-112° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05112861
Source datasetuspto-grants-1992_05
ORD IDord-264ad032d80a45cbbe8cd8a6d7c41c70
Source noteuspto-grants-1992_05