Lewis acids accelerate reductive elimination of RCN from P2Pd(R)(CN)

J K Huang, C M Haar, Steven Patrick Nolan, J E Marcone, K G Moloy

Research output: Contribution to journalArticlepeer-review

70 Citations (Scopus)

Abstract

The rate of reductive elimination of the complexes dpppPd(CH2TMS)(CNER3) (E = B, Al) is accelerated up to 60-fold over dpppPd(CH2TMS)(CN). Based on kinetic considerations and the isoelectronic relationship of CN- and CO, a migration-type mechanism for reductive elimination is proposed. The rate acceleration correlates directly with Lewis acid strength, the latter determined by solution calorimetric analyses of the Lewis acid adduct forming reaction Pd-CN + ER3 --> Pd-CN-ER3.

Original languageEnglish
Pages (from-to)297-299
Number of pages3
JournalOrganometallics
Volume18
Issue number3
DOIs
Publication statusPublished - 1 Feb 1999

Keywords

  • DONOR-ACCEPTOR INTERACTION
  • CARBON-CARBON
  • VIBRATIONAL-SPECTRA
  • COMPLEXES
  • BOND
  • HYDROCYANATION
  • MECHANISMS
  • PALLADIUM

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