abstract |
ALLENE AND SUBSTITUTED ALLENES REACT WITH CERTAIN SPECIFIED NUCLEOPHILES INCLUDING CARBOXYLIC ACIDS, ALCOHOLS, WATER AND HYDROGEN CYANIDE IN THE PRESENCE OF A GROUP VIII NOBLE METAL SALT CATALYST, E.G., PALLADOUS ACETATE TO GIVE ALLYL AND ISOPROPENYL DERIVATIVES. THE REACTION MAY BE CARRIED OUT IN THE PRESENCE OF A REDOX SYSTEM SUCH AS A COPPER SALT WHICH MAY OPTIONALLY BE REGENERATED BY MEANS OF MOLCULAR OXYGEN. |