| http://www.w3.org/ns/prov#value | - The reaction is conveniently carried out in a solvent such as an alkanol, e.g. ethanol or isopropanol and preferably with heating e.g. 40???-150??? C. ##STR3## The ??,??-unsaturated ketone (II) may be prepared by reacting the aldehyde (IV) with the ketoester (V), in a solvent such as an alkanol e.g. ethanol or isopropanol, preferably with heating e.g. 40???-150??? C. Conveniently this reaction is
|
