Action of Alkali on 4-Methyl-,βα-1 : 2-naphthapyrone and its 3-Chloro- and 3-Bromo Derivatives. Formation of cis- and trans-Hydroxynaphthylcrotonic Acids and a New Naphthylpropionic Aldehyde Derivative.
Zenodo (CERN European Organization for Nuclear Research)