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. ... Medium-membered lactones (8∼11 membered rings) were obtained in good yields by EtAlCl 2 -promoted intramolecular condensation of α-chlorosulfides containing an ester group and allylsilanyl moiety without the need for high dilution conditions. ... Cookies are used by this site. To ...