Formaldehyde → HCID 53780670, compound

Participants

Reaction Steps

4.4 g of 5-cycloundecyl-2-methylenevaleric acid ethyl ester, in the form of a yellowish oil, which is purified by chromatography on silica gel (migrating agent: 95:5 petroleum ether/ethyl acetate), are obtained by the procedure described in Example (1b) from 7.6 g of (3-cycloundecylpropyl)-malonic acid ethyl ester, 0.84 g of paraformaldehyde, 7 ml of pyridine and 0.3 ml of piperidine.

Provenance & Evidence