SEARCH Articles Figures Tables 1- Indenone 2-phenyl-3- 2-Substituted 1-indenones 2.3- Diphenyl-l-indenone Indenone Indenone Indenones Friedel-Crafts reaction Indenones synthesis Indenones via cycloaddition Isocoumarins 1-indenones Rhodium indenones