“…Melting point of HB: 60.6 °C; 1 H-NMR (400 MHz, CH 2 Cl 2 -d 2 ) 5.1 ppm (t, 2, N 2 H 4 BH 3 ), 3.4 ppm (b, 2, N 2 H 4 BH 3 ), 1.2 ppm (t, 3, N 2 H 4 BH 3 ); FT-IR (selected, cm −1 ) 3333 (s), 3220 (s), 2836 (m), 2662 (m), 2367 (m), 1622 (s), 1592 (m), 1437 (w), 1338 (m), 1157 (s), 912 (m), 750 (w). The obtained results are consistent with those of previous studies S1 – S3 .…”