Deuteration of boranes: catalysed versus non-catalysed processes

David J. Nelson, Jonathan D. Egbert, Steven P. Nolan

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


A dichotomy in the reactivity of B-H bonds is reported. A bis(N-heterocyclic carbene)-ligated iridium(iii) complex can effect rapid deuteration of boronate esters at room temperature with low catalyst loadings; however, borane and 9-BBN both undergo deuteration in the absence of catalyst, and do not react with the iridium complexes. This is proposed to result from the inductive electron-withdrawing properties of the boronic ester substituents. Deuterated boronic esters can be accessed rapidly at room temperature with only very low loadings of iridium catalyst. 

Original languageEnglish
Pages (from-to)4105-4109
Number of pages5
JournalDalton Transactions
Issue number12
Early online date6 Feb 2013
Publication statusPublished - 2013
Externally publishedYes


  • dichotomy
  • B–H bonds
  • reactivity
  • bis(N-heterocyclic carbene)-ligated iridium(III) complex
  • rapid deuteration
  • boronate esters
  • room temperature
  • iridium catalyst


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