3-fluoro-2-fluoromethyl-2-methylpropan-1-ol 、
(2RS,3S,5R)-5-[(1S,2S)-1-benzyloxy-2-dibenzylamino-3-(3,5-difluorophenyl)-propyl]-3-methylmorpholin-2-ol 以to provide 1.0 g of the desired compound的产率得到Dibenzyl-{(1S,2S)-2-benzyloxy-1-(3,5-difluorobenzyl)-2-[(3R,5S,6R)-6-(2,2-di-(fluoromethyl)propoxy)-5-methylmorpholin-3-yl]-ethyl}-amine