sodium hydroxide; 3-pinanyl-9-borabicyclo[3.3.1]nonane; dihydrogen peroxide 1.) 6000 atm, 25 deg C, 5.5 days, 2.) THF, 60 deg C, 4 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

dried cells of Geotrichum candidum; nicotinamide adenine dinucleotide; isopropyl alcohol in various solvent(s) T=30°C; pH=7.0; 20 h; Enzymatic reaction;

3 A molecular sieve; oxygen; (-)-sparteine; Pd((-)-sparteine)2Cl2 in tert-butyl alcohol T=65°C; 20 h; Title compound not separated from byproducts;

oxygen; caesium carbonate; (-)-sparteine in chloroform T=23°C; P=760.051 Torr; 72 h; Molecular sieve; optical yield given as percent ee;

1: With (-)-(R,R)-TADDOL in diethyl ether; hexane T=-25 - 0°C; 2: 1 h; Heating;