SEARCH Articles Figures Tables 2,2-Dimethyl-3-chromanone 2- chromanone 2- chromanone 2-Phenyl-chromanones 3- Amino-4-chromanone 3-methyl-4-chromanone Alkenylation chromanones Chromanon Chromanone alkaloids Chromanone dehydrogenation Chromanone ring Chromanone synthesis Chromanone, 4-thiodehydrogenation use of trityl perchlorate Chromanones 2 -hydroxychalcones Chromanones 4-hydroxy Chromanones Friedel-Crafts reaction Chromanones Mannich reaction Chromanones chromones Chromanones dehydrogenation Chromanones reactions Chromanones synthesis, Friedel-Crafts reaction Chromanones use of thallium trinitrate Chromanones use of trityl perchlorate Chromanones, synthesis Coumarins, Chromones, and Chromanones Ethyl chromanones Heterocycles chromanones KABE Chromanone synthesis Thallium trinitrate chromanone dehydrogenation