1: With 2,6-dimethylpyridine; trimethylsilyl trifluoromethanesulfonate in dichloromethane T=20°C; Inert atmosphere; 2: With hydrogenchloride; water in tetrahydrofuran T=20°C; Inert atmosphere;

1: With 2,6-dimethylpyridine; trimethylsilyl trifluoromethanesulfonate in dichloromethane T=20°C; Inert atmosphere; 2: With hydrogenchloride; water in tetrahydrofuran T=20°C; Inert atmosphere;