hydrogenchloride; sodium tetrahydroborate 1.) ethanol, -20 deg C to -10 deg C, 4.5 h, 2.) pH=3, 5 deg C, 1 h; Title compound not separated from byproducts;

hydrogenchloride; sodium tetrahydroborate 1.) -20 deg C to -10 deg C, 4.5 h, 2.) pH=3, 5 deg C, 1 h; Title compound not separated from byproducts;