1: With o-(trimethylsilyl)quinidine; N-ethyl-N,N-diisopropylamine in tetrahydrofuran T=-78°C; 24 h; Inert atmosphere; 2: With lithium aluminium tetrahydride in tetrahydrofuran T=0°C; Inert atmosphere; Overall yield = 56 percent; Overall yield = 25.2 mg; enantioselective reaction;

1: With o-(trimethylsilyl)quinidine; N-ethyl-N,N-diisopropylamine in tetrahydrofuran T=-78°C; 24 h; Inert atmosphere; 2: With lithium aluminium tetrahydride in tetrahydrofuran T=0°C; Inert atmosphere; Overall yield = 73 percent; Overall yield = 62.8 mg; enantioselective reaction;

1: With o-(trimethylsilyl)quinidine; N-ethyl-N,N-diisopropylamine in tetrahydrofuran T=-78°C; 24 h; Inert atmosphere; 2: With lithium aluminium tetrahydride in tetrahydrofuran T=0°C; Inert atmosphere; Overall yield = 56 percent; Overall yield = 25.2 mg; enantioselective reaction;

1: With o-(trimethylsilyl)quinidine; N-ethyl-N,N-diisopropylamine in tetrahydrofuran T=-78°C; 24 h; Inert atmosphere; 2: With lithium aluminium tetrahydride in tetrahydrofuran T=0°C; Inert atmosphere; Overall yield = 52 percent; Overall yield = 37.9 mg; enantioselective reaction;

1: With o-(trimethylsilyl)quinidine; N-ethyl-N,N-diisopropylamine in tetrahydrofuran T=-78°C; 24 h; Inert atmosphere; 2: With lithium aluminium tetrahydride in tetrahydrofuran T=0°C; Inert atmosphere; Overall yield = 52 percent; Overall yield = 37.9 mg; enantioselective reaction;