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Synlett 2000; 2000(1): 159
DOI: 10.1055/s-2000-6466
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9-Borabicyclo[3.3.1]nonane (9-BBN)

Rosemary Stentiford*
  • *E-mail: r.stentiford@bris.ac.uk
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Publication History

Publication Date:
31 December 2000 (online)

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In the solid state 9-borabicyclo[3.3.1]nonane exists as an easily handled dimer "(9-BBN)2", which readily dissociates in solution, to give the active monomeric species. 9-BBN is a very versatile reagent, tolerant of many functional groups, facilitating hihgly selective hydroborations and selective reductions. Facile conversion to B-substituted-9-BBN offers a wide variety of selective transformations such as reductions, C-C bond forming reactions and stereoselective crossed aldol reactions.