Four coumarin glycosides（1-4） and four coumarin triazoylglycosides（5--8） were synthesized by phase transfer catalytic glycosylation and copper-catalyzed azide-alkyne cycloaddition（CuAAC） respectively from 4-meth...Four coumarin glycosides（1-4） and four coumarin triazoylglycosides（5--8） were synthesized by phase transfer catalytic glycosylation and copper-catalyzed azide-alkyne cycloaddition（CuAAC） respectively from 4-methyl-7-hydroxyl coumarin（4-methylumbelliferone）. The structures were characterized by 1H NMR, MS or IR. The fluorescent properties of the coumarin glycosides and triazoylglycosides were studied in different solvents and comoared to those of 4-methyl-7-hydroxyl coumarin.展开更多
文摘Four coumarin glycosides（1-4） and four coumarin triazoylglycosides（5--8） were synthesized by phase transfer catalytic glycosylation and copper-catalyzed azide-alkyne cycloaddition（CuAAC） respectively from 4-methyl-7-hydroxyl coumarin（4-methylumbelliferone）. The structures were characterized by 1H NMR, MS or IR. The fluorescent properties of the coumarin glycosides and triazoylglycosides were studied in different solvents and comoared to those of 4-methyl-7-hydroxyl coumarin.
