反应详情

rel-(3aR,5S,7aS)-5-(Cyclopropylmethyl)-7a-(2,4-difluorophenyl) hexahydro-1H-pyrano[3,4-c][1,2]oxazole (C70) (1.1 g, 4.09 mmol) was converted to the product according to the method described for the synthesis of [(2R,4R,5S)-5-amino-2-[(benzyloxy)methyl]-5-(2,4-difluorophenyl)tetrahydro-2H-pyran-4-yl]methanol (C6) in Preparation P1. The product was obtained as a dark oil (1.1 g), which was taken directly to the following step without additional purification.