1: 1.) BH3*THF, 2.) HCl / 1.) reflux, 1 h, 2.) MeOH, reflux, 1 h 2: 53 percent / H2 / 10percent Pd/C / methanol / 2250.2 Torr View Scheme

borane-THF in tetrahydrofuran 1 h; Heating;