9-borabicyclo[3.3.1]nonane dimer 1.) THF, 25 deg C, 2.) 200 deg C, 6 h; Yield given. Multistep reaction;

sodium hydroxide; dimethylsulfide borane complex; dihydrogen peroxide 1.) THF, 25 deg C, 2.) 25 deg C; or 1.) 9-borabicyclo<3.3.1>nonane in THF, 25 deg C, 2-3 h; Yield given. Multistep reaction;