Low-coordinate copper(I) complexes or motifs are found both in nature and as catalysts for a variety of chemical transformations.  To effect new low-coordination chemistry, the discrete synthesis of a novel, sterically encumbered thiolate-type ligand in its protected form, 1-(thioacetyl)triptycene, is described and the coordination chemistry of  1-(thiolato)triptycene with Cu(I) has been examined.  To this end, complexes of the formulation [Bu4N][Cu(STrip)2], [Cu(IMes)(STrip)], and [Bu4N][(Cu-STrip)6(�6-Br)] have been synthesized and characterized, where STrip = 1-(thiolato)triptycene and IMes = 1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene.  New organometallic complexes containing a Cu(I)-triptycyl moiety have been synthesized and their propensity to insert chalcogens and small molecules into the copper-carbon bond has been explored.  Several crystal structures of the organometallic and coordination complexes described herein are presented.

Low-coordinate copper(I) chemistry featuring ligands bearing the triptycyl moiety

244th National Meeting (2012)

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