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. ... Enantioselective alkylation of chiral amide enolates derived from L-prolinol with β-branched chiral iodides afforded good yields of hydroxy amide adducts, which were elaborated in four steps to give C-carboxyalkyl dipeptide inhibitors of stromelysin-1 (MMP-3).