A General, Rhodium-Catalyzed, Synthesis of Deuterated Boranes and N-Methyl Polyaminoboranes

Annie L. Colebatch, Benjamin W. Hawkey Gilder, George R. Whittell, Nicola L. Oldroyd, Ian Manners, Andrew S. Weller*

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

28 Citations (Scopus)
325 Downloads (Pure)


The rhodium complex [Rh(Ph2PCH2CH2CH2PPh2)(η6-FC6H5)][BArF 4], 2, catalyzes BH/BD exchange between D2 and the boranes H3B⋅NMe3, H3B⋅SMe2 and HBpin, facilitating the expedient isolation of a variety of deuterated analogues in high isotopic purities, and in particular the isotopologues of N-methylamine-borane: R3B⋅NMeR2 1-dx (R=H, D; x=0, 2, 3 or 5). It also acts to catalyze the dehydropolymerization of 1-dx to give deuterated polyaminoboranes. Mechanistic studies suggest a metal-based polymerization involving an unusual hybrid coordination insertion chain-growth/step-growth mechanism.

Original languageEnglish
Pages (from-to)5450-5455
Number of pages6
JournalChemistry - A European Journal
Issue number21
Early online date23 Mar 2018
Publication statusPublished - 11 Apr 2018


  • borane
  • dehydropolymerization
  • deuterium
  • H/D exchange
  • rhodium


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