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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1663385Generated: October 29, 2026

3-Bromo-4-hydroxy-5-nitrobenzaldehyde → HCID 67435380, compound

https://huagongshe.com/reaction/1663385

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Bromo-4-hydroxy-5-nitrobenzaldehydeHCID 1494378—
Reactant5-Propylcyclohexane-1,3-dioneHCID 2737224—
Reactant3-AminocrotonitrileHCID 5324720—
SolventEthanolHCID 702—
ProductHCID 67435380HCID 67435380—

Reaction Conditions

Temperature80 °C

Reaction Steps

A mixture of 3-bromo-4-hydroxy-5-nitro-benzaldehyde (18.26 g), 3-aminocrotonitrile (6.09 g) and 5-propylcyclohexane-1,3-dione (11.45 g) in ethanol (250 ml) was stirred at 80° C. for 17 h. The mixture was concentrated in vacuo. The residue was purified by chromatography on silicagel in dichloromethane as eluent.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08034945B2
Source datasetuspto-grants-2011_10
ORD IDord-5ded5b8bd1f84c27b4dbc561ba532673
Source noteuspto-grants-2011_10