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Isolation of Au-, Co-η1PCO and Cu-η2PCO complexes, conversion of an Ir-η1PCO complex into a dimetalladiphosphene, and an interaction-free PCO anion.
Journal article

Isolation of Au-, Co-η1PCO and Cu-η2PCO complexes, conversion of an Ir-η1PCO complex into a dimetalladiphosphene, and an interaction-free PCO anion.

  • Liu L UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555) , Department of Chemistry and Biochemistry , University of California San Diego , La Jolla , CA 92093-0343 , USA . Email: guybertrand@ucsd.edu.
  • Ruiz DA UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555) , Department of Chemistry and Biochemistry , University of California San Diego , La Jolla , CA 92093-0343 , USA . Email: guybertrand@ucsd.edu.
  • Dahcheh F UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555) , Department of Chemistry and Biochemistry , University of California San Diego , La Jolla , CA 92093-0343 , USA . Email: guybertrand@ucsd.edu.
  • Bertrand G UCSD-CNRS Joint Research Chemistry Laboratory (UMI 3555) , Department of Chemistry and Biochemistry , University of California San Diego , La Jolla , CA 92093-0343 , USA . Email: guybertrand@ucsd.edu.
  • Suter R Department of Chemistry and Applied Biosciences , ETH Zürich , Vladimir-Prelog-Weg 1 , 8093 Zürich , Switzerland . Email: hgruetzmacher@ethz.ch.
  • Tondreau AM Department of Chemistry and Applied Biosciences , ETH Zürich , Vladimir-Prelog-Weg 1 , 8093 Zürich , Switzerland . Email: hgruetzmacher@ethz.ch.
  • Grützmacher H Department of Chemistry and Applied Biosciences , ETH Zürich , Vladimir-Prelog-Weg 1 , 8093 Zürich , Switzerland . Email: hgruetzmacher@ethz.ch.
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  • 2018-07-13
Published in:
  • Chemical science. - 2016
English Sodium phosphaethynolate reacts with [MCl(PDI)] (M = Co, Ir; PDI = pyridinediimine) to give metallaphosphaketenes, which in the case of iridium rearranges into a dimetalladiphosphene, via CO migration from phosphorus to the metal. Two different bonding modes of the PCO anion to CAAC-coinage metal complexes [CAAC: cyclic (alkyl)(amino)(carbene)] are reported, one featuring a strong Au-P bond and the other an η2 coordination to copper. The gold complex appears to be mostly unreactive whereas the copper complex readily reacts with various organic substrates. A completely free PCO anion was structurally characterized as the [Cu(La)2]+ (OCP)- salt. It results from the simple displacement of the PCO unit of the cationic (CAAC)Cu(PCO) complex by a second equivalent of CAAC.
Language
  • English
Open access status
gold
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https://folia.unifr.ch/global/documents/185738
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