borane-THF in tetrahydrofuran T=20°C; 1 h; Cooling with ice;

in diethyl ether addn. of LiBH4 in ether to the hydrochloride within 20min, stirring for 3.5h, filtration after standing at 0°C for 12h;; treatment of residue with H2O;;

in tetrahydrofuran dropwise addn. of 2.0M BH3*THF (25 mmol) to a THF soln. of the amine (10 mmol); performed under a dry N2 atm.;; removal of solvent and excess of BH3*THF under reduced pressure immediately after addn.;;

in 1,4-dioxane; water Kinetics; at 25°C in neutral soln. (start of hydrolysis);;