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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 374451Generated: November 1, 2026

Ethanol → 2-Ethyl-3-hydroxy-1-[2-(alpha-methylpropionyloxy)ethyl]pyridin-4-one

https://huagongshe.com/reaction/374451

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantEthyl AcetateHCID 8857—
Reactant3-Benzyloxy-2-ethyl-1-[2-(alpha-methylpropionyloxy)ethyl]pyridin-4-oneHCID 18997173—
CatalystPalladiumHCID 23938—
SolventDimethylformamideHCID 6228—
Product2-Ethyl-3-hydroxy-1-[2-(alpha-methylpropionyloxy)ethyl]pyridin-4-oneHCID 979499437%

Reaction Steps

3-Benzyloxy-2-ethyl -1-[2-(α-methylpropionyloxy)ethyl]pyridin-4-one was dissolved in 35 ml of dimethylformamide and about 0.1 g of palladium on activated charcoal (5%) was added. The solution was left under H2 for four days and the reaction was monitored by tlc (silica; 50% EtOH:50% EtOAc). The solution was filtered three times and rotary evaporated under high vacuum. The oily residue was then treated with activated charcoal in ethyl acetate, filtered and rotary evaporated to dryness. After crystallization from ethyl acetate the pure title compound was obtained in 37% yield, m.p., i.r., n.m.r. and mass spectra as quoted in Example 4.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05480894
Source datasetuspto-grants-1996_01
ORD IDord-3c25c27b53e04b1dbf9261f67d1bc0a2
Source noteuspto-grants-1996_01