Benzalacetone is the simplest member of the series of a, p-unsaturated ketones which are known to undergo reversible addition with aro-matic compounds. In keeping with this fact, it has been found that the conversion of benzalacetones (I) into benzohydrylacetones and the interconversion of the latter take place more readily and afford better yields than did the analogous transformations of systems previously examined.'The improved yields are due ...
