Tri(1-adamantyl)phosphine: Exceptional catalytic effects enabled by the synergy of chemical stability, donicity, and polarizability

Brad P. Carrow, Liye Chen

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Tri(1-adamantyl)phosphine, a simple yet long-absent homo-leptic phosphine, has finally been prepared. The simplicity of this compound beguiles its exceptional properties. The electron-releasing character eclipses all other alkylphosphines. The phosphine geometry and overall size are also more compact than anticipated, which may occur as a result of dispersion forces. We believe the donicity, marked resistance towards cyclometallation or P-C bond scission, and also substantial polarizability engendered by the three diamondoid fragments together account for the phenomenal performance of Pd-PAd3 catalysts during Suzuki-Miyaura coupling reactions. A correlation analysis is also described that provides support for polarizability as a potentially general influence on the properties of tertiary phosphines. 1 Introduction 2 Synthesis of Tri(1-adamantyl)phosphine 3 Reactions of Tri(1-adamantyl)phosphine Palladium Complexes 4 Electronic and Steric Properties of Tri(1-adamantyl)phosphine 5 Conclusion.

Original languageEnglish (US)
Article numberst-2016-p0746-sp
Pages (from-to)280-288
Number of pages9
JournalSynlett
Volume28
Issue number3
DOIs
StatePublished - Feb 2017

All Science Journal Classification (ASJC) codes

  • Organic Chemistry

Keywords

  • Catalysis
  • Cross-coupling
  • Diamondoid
  • Ligand
  • Palladium
  • Phosphine

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