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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1974727Generated: November 2, 2026

Water → 5-Formyl-2,3-dihydroxybenzonitrile

https://huagongshe.com/reaction/1974727

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantHexamethylenetetramineHCID 4101—
ReactantTrifluoroacetic acidHCID 6422—
Reactant2,3-DihydroxybenzonitrileHCID 3017820—
Product5-Formyl-2,3-dihydroxybenzonitrileHCID 15292583—

Reaction Steps

A solution containing 1.35 g of 2,3-dihydroxybenzonitrile and 1.4 g of hexamethylene tetramine in 20 ml of trifluoroacetic acid was refluxed for 1.5 h. Water was added and the product was filtered. Yield 0.9 g (55%), m.p. 211°-215° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05283352
Source datasetuspto-grants-1994_02
ORD IDord-6e2017dffb7a4820b7f95a5c18354ffb
Source noteuspto-grants-1994_02