[(4S,6S,8S)-6-methoxy-8-methyl-9-[(2R,6R)-6-[(2,4,6-trimethylphenyl)sulfonyloxymethyl]-3,6-dihydro-2H-pyran-2-yl]nonan-4-yl] 2-methylpropanoate 、
氰化钠 以
N,N-二甲基甲酰胺 为溶剂,
以84%的产率得到(4S,6S,8S)-9-((2R,6S)-6-(cyanomethyl)-3,6-dihydro-2H-pyran-2-yl)-6-methoxy-8-methylnonan-4-yl isobutyrate