重氮甲烷 、
(R)-Hydroxy-[(2R,3R,5S,6R)-5-methoxy-6-((1S,3S)-1-methoxy-3-methyl-hex-5-ynyl)-3-methyl-tetrahydro-pyran-2-yl]-acetic acid 以
乙醚 为溶剂,
以64 mg的产率得到(R)-Hydroxy-[(2R,3R,5S,6R)-5-methoxy-6-((1S,3S)-1-methoxy-3-methyl-hex-5-ynyl)-3-methyl-tetrahydro-pyran-2-yl]-acetic acid methyl ester