Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Hormothamnione has been obtained from 2,3-dimethyl-5,6,7,8-tetramethoxy-chromone in 63% yield. Synthesis of the required chromone as well as of the 2 and 3-styryl analogs and are described. ... The synthesis of Hormothamnione as well as of some analogs is described.