SEARCH Articles Figures Tables 9-BORABICYCLO(3.3.1]NONANE DIMER 9-Borabicyclo 9-Borabicyclo nonanate 9-Borabicyclo nonane 9-borabicyclo nonanes Alkynes dimerization Hydroboration alkynes Hydroborations 9-borabicyclo nonane dimer