MLS003170801 → 62613-70-1

Participants

Reaction Steps

A mixture of 7.2 g. (0.0314 mole) of 3-ethyl-5-methyl-6-phenyl-isoxazolo[4,5-c]pyridin-4(5H)-one, 160 ml. ethanol and 0.800 g. 10% palladium on carbon is hydrogenated at 50 psi and room temperature. The hydrogenation is ceased after 1 equivalent of hydrogen is absorbed (ca. 4 hours). The mixture is filtered to remove the catalyst and the solvent removed in vacuo. The residue is crystallized from ether to give 3-(1-iminopropyl)-4-hydroxy-6-phenyl-1-methyl-2(1H)-pyridone, m.p. 145° to 147° C.

Provenance & Evidence