1: With hydrogen T=200°C; 3 h; 2: ethanol; N1-(2-Amino-ethyl)-ethane-1,2-diamine With hydrogen T=200°C; P=7500.75 Torr; 8 h; Product distribution / selectivity;

1a) 4 h, 170-195 deg C, 1.0-2.1 MPa, 1b) work up and repeat of the procedure at 160-200 deg C, 6 h, 2,2 MPa; Further byproducts given;