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. ... Etude de l'addition nucleophile de quelques thiols sur les alcyn-1 ols-3; additions regio- et stereo-selectives du methyl-2 propanethiol-2. ... The ⩾ 92 % regioselective nucleophilic -addition of 2-methyl-2-propanethiol to primary, secondary and tertiary 1-alkyn-3-ols, catalyzed by ...