2-methoxymethyl-2-methyl3,4-epoxy-6-cyanochroman 、
2-羟基吡啶 、
吡啶 以
乙醇 为溶剂,
反应 72.0h,
以2-Methoxymethyl-2-methyl-4-(1,2-dihydro-2-oxo-1-pyridyl)-6-cyano3-chromanol, stereoisomer mixture ("A") is obtained的产率得到2-Methoxymethyl-2-methyl-4-(1,2-dihydro-2-oxo-1-pyridyl)-6-cyano3-chromanol