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. ... Mild, room temperature CrCl 2 reduction of 1,1,1-trichloroalkanes stereoselectively generates (Z)-1-chloro -2-substituted-1-alkenes in excellent yields. ... Mild reduction of 1,1,1-trichloroalkanes selectively generates (Z)-1-chloro-2-substituted-1-alkenes in excellent yields.