(2R,3R,4S,5R,6S)-2-((benzoyloxy)methyl)-6-(((E)-2-((2-butoxy-3,4-dioxocyclobut-1-en-1-yl)methylene)-1-methyl-1,2-dihydroquinolin-6-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl tribenzoate 、
6-iodo-N-methyl-2-quinaldinium iodide 在
喹啉 作用下,
以
正丁醇 、
苯 为溶剂,
反应 12.0h,
以76%的产率得到4-[(6-iodo-1-methylquinolin-1-ium-2-yl)methylidene]-2-[[1-methyl-6-[(2S,3R,4S,5R,6R)-3,4,5-tribenzoyloxy-6-(benzoyloxymethyl)oxan-2-yl]oxyquinolin-2-ylidene]methyl]-3-oxocyclobuten-1-olate