Download 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. ... 2-Chloroalkylthiazolyllithiums, prepared by deprotonating the 2-chloroalkylthiazoles with n-BuLi at −78°C in THF, add to ketones or imines affording in 'one-pot' oxiranes and aziridines in a Z stereoselective manner. ... The synthesis of 2-benzothiazolyl, 4 2-oxazolinyl, 5 2 (3 and ...