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. ... Starting from 5(S)-hydroxymethyl-γ-butyrolactone, 1, lactones related to title acetogenins have been prepared in few steps. This study leads to a structure revision of the lactone configurations of these acetogenins. ... Lactones C related to sub-type 3 annonaceous acetogenins are ...