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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 25876Generated: October 26, 2026

2-Hydroxy-4-Methoxybenzaldehyde → 3-Nicotinoyl-7-methoxycoumarin

https://huagongshe.com/reaction/25876

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Hydroxy-4-MethoxybenzaldehydeHCID 69600—
ReactantEthyl 3-oxo-3-(pyridin-3-yl)propanoateHCID 222197—
CatalystPiperidineHCID 8082—
Product3-Nicotinoyl-7-methoxycoumarinHCID 21217331—

Reaction Steps

A mixture of 0.65 g ethyl nicotinoylacetate, 0.5 g 2-hydroxyanisaldehyde and 10 ml alcohol was heated on a steam bath until solution was attained. Five drops of piperdine were added and heating was continued. After several minutes the reaction mixture solidified. An additional 10 ml of alcohol were added and the reaction mixture heated another 15 minutes. After cooling, the solid was collected and recrystallized twice from a mixture of alcohol and acetonitrile.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04147552
Source datasetuspto-grants-1979_04
ORD IDord-0df72b8e35584857b395332273362433
Source noteuspto-grants-1979_04