苯酐 、
[(2R,3R,4R,5S,6S)-2-(azidomethyl)-4,5-dibenzoyloxy-6-(1,4-dimethoxynaphthalen-2-yl)oxan-3-yl] benzoate 在
三苯基膦 作用下,
以
四氢呋喃 为溶剂,
以90%的产率得到2-((((2R,3R,4R,5S,6S)-3,4,5-tris(benzoyloxy)-6-(1,4-dimethoxynaphthalen-2-yl)-tetrahydro-2H-pyran-2-yl)methyl)carbamoyl)benzoic acid