Ethyl Acetate → HCID 14748460, compound

Participants

Reaction Steps

A mixture of 2.52 g of 3-(3-methyl-xanthine-7-yl)propionic acid amide oxime, 4.0 ml of ethyl acetate and a solution of 0.46 g of metallic sodium in 25 ml of ethanol is heated to boiling under stirring for 5 hours. The hot reaction mixture is filtered and the filtrate is evaporated. The residue is treated with 20 ml of water, the pH is adjusted to 7 and the precipitated product is crystallized from water. Thus 1.7 g of 3.7-dihydro-3-methyl-7-(2-[5-methyl-1,2,4-oxadiazole-3-yl]-ethane-1-yl)-1H-purine-2,6-dione are obtained, m.p.: 258°-260° C.

Provenance & Evidence