HCID 68724534, compound → HCID 131732745, compound

Participants

Reaction Steps

A solution of ethyl 7-methyl-9-oxospiro[4.5]dec-7-ene-6-carboxylate (2.5 g, 10.6 mmol, prepared as described in Example 16) in hexane (40 ml) was treated with 10% Pd/C (0.5 g) and hydrogenated (10 bar) for 1.5 h. The resulting mixture was filtered and concentrated to give cis-ethyl 7-methyl-9-oxospiro[4.5]decane-6-carboxylate (2.29, 91%).

Provenance & Evidence