Diastereoselective Preparation of Chiral-at-Metal Organometallic Complexes Using a Chelating Sulfoxide−Carboxylate Ligand Michael Otto Jonathan Parr Alexandra M. Z. Slawin 10.1021/om9805887.s001 https://acs.figshare.com/articles/journal_contribution/Diastereoselective_Preparation_of_Chiral-at-Metal_Organometallic_Complexes_Using_a_Chelating_Sulfoxide_Carboxylate_Ligand/3783147 Using the bidentate ligand (<i>R</i>)-2-[(<i>R</i>)-phenylsulfinyl]propionic acid (<b>1</b>), a range of new chiral-at-metal complexes of general formula [(L)M(S,O)Cl] have been prepared where L = Cp*, M = Rh<sup>III</sup> (<b>2</b>), Ir<sup>III</sup> (<b>3</b>), L = <i>p</i>-cymene, M = Ru<sup>II</sup> (<b>4</b>), Os<sup>II</sup> (<b>5</b>), and L = C<sub>6</sub>(CH<sub>3</sub>)<sub>6</sub>, M = Ru<sup>II</sup> (<b>6</b>) and S,O is the monoanion obtained from the K(<i>t</i>-BuO) deprotonation of <b>1</b>. Molecular structures for <b>2</b>−<b>6</b> are reported, confirming that these complexes are formed with excellent stereospecificity at the metal center in moderate (59%, <b>6</b>) to excellent (92%, <b>3</b>) isolated single-isomer yields. 1998-09-24 00:00:00 complex III CH Ru II