Hydrolysis of trimethylamine borane in the presence of liquid and solid (polymeric) acids

Dmitri Muraviev, Abraham Warshawsky

    Research output: Contribution to journalArticleResearchpeer-review

    2 Citations (Scopus)


    The mechanism of trimethylamine borane (TMAB) hydrolysis in the presence of sulfonate cation exchanger in H+-form, H2SO4 and trimethylamine deuterosulfate has been established. The hydrolytic reaction is of the first order in TMAB when carried out in the presence of polymeric acid. The rate of TMAB hydrolysis is directly proportional to the cation exchange capacity of the resin. It was also established that the resin phase acts as a suppressor towards TMAB hydrolysis. For the first time, it was noted that TMAB hydrolysis may be carried out when trimethylamine (TMA) is applied as a hydrolyzing agent. The initial effective rate of hydrolytic reaction in this case is much higher than that observed in sulfuric acid solution. Most importantly, the complete absence of isotope exchange between nitrogen-bound deuterium ions of TMA and hydride hydrogens of TMAB in alkaline and neutral media has been observed.
    Original languageEnglish
    Pages (from-to)185-191
    JournalReactive and Functional Polymers
    Issue number3
    Publication statusPublished - 1 Jan 1996


    • Kinetics of hydrolysis
    • Sulfonate cation exchangers
    • Sulfuric acid
    • Trimethylamine borane
    • Trimethylamine deuterosulfate


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