(3aR,4S,6S,7R,7aR)-6-azido-7-hydroxy-4-methoxy-3-methyl-3a,4,5,6,7,7a-hexahydro-1,3-benzoxazol-2-one 、 Acetic acid (3S,6S)-3-azido-6-azidomethyl-tetrahydro-pyran-2-yl ester 在
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以7 mg的产率得到(3aR,4S,6S,7R,7aR)-6-Azido-7-((2S,3S,6S)-3-azido-6-azidomethyl-tetrahydro-pyran-2-yloxy)-4-methoxy-3-methyl-hexahydro-benzooxazol-2-one