重氮甲烷 、
3,4,5,6-Tetrafluoro-phthalic acid mono-((2R,3R,4S,5R,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethyl) ester 以
甲醇 、
乙醚 为溶剂,
反应 0.08h,
以21 mg的产率得到3,4,5,6-Tetrafluoro-phthalic acid 1-methyl ester 2-((2R,3R,4S,5R,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethyl) ester