HCID 131716818, compound → HCID 18960798, compound

Participants

Reaction Steps

305 mg of dimethyl 5-(4-methoxycarbonyl-1-butinyl)-pyridine-2,4-dicarboxylate (from Example 9) are dissolved in 30 ml of methanol and, after addition of the palladium catalyst (10% strength on charcoal) are hydrogenated. The reaction has ended after 4 hours (thin layer control). The catalyst is filtered off and the solution is evaporated in vacuo. The colorless oil is chromatographed on silica gel.

Provenance & Evidence