in toluene Heating;

4 A molecular sieve in toluene T=20°C; 1 h;

in toluene T=20°C; 1 h; Product distribution / selectivity;

1: (R)-tetrahydro-1-methyl-3,3-diphenyl-1H,3H-pyrrolo[1,2-c]-[1,3,2]oxazaborole With borane dimethyl sulfide complex in tetrahydrofuran T=0°C; 0.166667 h; 2: 8-benzyloxy-5-bromoacetylcarbostyril in tetrahydrofuran T=-10°C; 0.333333 h; 3: With borane dimethyl sulfide complex T=0°C; 5 h;

1: in tetrahydrofuran T=-20°C; 0.0833333 h; 2: With dimethylsulfide borane complex in tetrahydrofuran T=-20°C; 1.5 h;

hydrogenchloride in tetrahydrofuran

potassium carbonate in water