Summary Concentrated potassium hydroxide splits simple chalcones into the The best conditions for accomplish- corresponding aldehyde and ketone. ing this degradation and procedures for isolating the products are given. URBANA, ILLINOIS ... [CONTRIBUTION FROM THE CHEMICAL LABORATORY OF THE UNIVERSITY OF ILLINOIS] PREPARATION AND BACTERICIDAL PROPERTIES OF CERTAIN PENTADECANOIC, HEPTADECANOIC AND NONADECANOIC ACIDS. XIX'