hydroxylamine hydrochloride; sodium acetate in ethanol; water 2 h; Inert atmosphereReflux;

1.1: n-butyllithium / tetrahydrofuran; hexane / 0.08 h / -78 °C / |Inert atmosphere 1.2: 0.25 h / -78 °C / |Inert atmosphere 1.3: -78 - 20 °C / |Inert atmosphere 2.1: cesium fluoride / N,N-dimethyl-formamide / 12 h / 60 °C / |Inert atmosphere; |Molecular sieve 3.1: trifluorormethanesulfonic acid / dichloromethane / 12.17 h / 0 - 20 °C / |Inert atmosphere 4.1: hydroxylamine hydrochloride; sodium acetate / water; ethanol / 2 h / |Inert atmosphere; |Reflux View Scheme

1: trifluorormethanesulfonic acid / dichloromethane / 12.17 h / 0 - 20 °C / |Inert atmosphere 2: hydroxylamine hydrochloride; sodium acetate / water; ethanol / 2 h / |Inert atmosphere; |Reflux View Scheme

1: cesium fluoride / N,N-dimethyl-formamide / 12 h / 60 °C / |Inert atmosphere; |Molecular sieve 2: trifluorormethanesulfonic acid / dichloromethane / 12.17 h / 0 - 20 °C / |Inert atmosphere 3: hydroxylamine hydrochloride; sodium acetate / water; ethanol / 2 h / |Inert atmosphere; |Reflux View Scheme

hydrogenchloride; ethanol; platinum T=140°C; P=73550.8 - 88260.9 Torr; Hydrogenation;

hydrogenchloride; ethanol; platinum T=140°C; P=73550.8 - 88260.9 Torr; Hydrogenation;