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Synthesis, characterization, and reactivity of a novel thallium arylspiroboronate ester

Research output: Contribution to Journal/MagazineJournal articlepeer-review

<mark>Journal publication date</mark>01/2009
<mark>Journal</mark>Canadian Journal of Chemistry
Issue number1
Number of pages7
Pages (from-to)139-145
Publication StatusPublished
<mark>Original language</mark>English


Addition of 3,5-di-tert-butylcatechol (butcat) to solutions of H 3B·SMe2 gave the novel diboron species B 2(butcat)3 (2) in moderate to high yields. Compound 2 reacts with Tl(acac) to give butcatB(acac) (4) and Tl(Bbutcat2) (5). Attempts to abstract the chlorides from [(dppb)Rh(μ-Cl)]2 (where dppb = 1,4-bis(diphenylphosphino)buthane) using 5 led to the unusual dimer [(dppb)Rh(μ-Cl)2(μ-Tl)Rh(dppb)][Bbutcat2] (6), which contains an unsymmetrical Rh-Tl-Rh bridge.