1: 49 percent / Re2O7 2: 80percent CF3CO2H / 0.5 h / 0 °C 3: NaBH4 / methanol View Scheme

sodium tetrahydroborate in methanol Title compound not separated from byproducts;

1: (+/-)-trans-cyclopentane-1,2-diol With (5aS,10bR)-9-nitro-2-phenyl-4,5a,6,10b-tetrahydroindeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-2-ium tetrafluoroborate; 4-(N,N-dimethylamino)benzoic acid; N,N,N',N'-tetra-methylnaphthalene-1,8-diamine in chloroform T=20°C; 0.166667 h; 2: 2-bromo-3-phenylpropanal in chloroform T=0°C; 14 h;

C43H60N6O8; N-ethyl-N,N-diisopropylamine in toluene T=0°C; 24 h; Inert atmosphere; enantioselective reaction;

water T=30°C; 0.1 M phosphate buffer, pH 7, porcine liver esterase E.(1)C311; Yield given. Yields of byproduct given;

phosphate buffer; porcine liver esterase E.(1)C311 in water T=30°C; Rate constant;

ueber das Strychnin-Salz des Disulfo-Derivats;