Reactant involved in: 1.One-pot synthesis of aryl substituted aurones. 2.Studies to tune HOMO-LUMO levels of 9-fluorenone scaffolds. 3.O-methylation for synthesis of second-generation light driven rotary molecular motors. 4.Reactions with aluminum, gallium compounds, and methylquinolines. 5. Synthesis of acridinyl- and fluorenylidenehydrazido calixarenes. 6.Acetylation for synthesis of acetates. Reactant involved in: 1.One-pot synthesis of aryl substituted aurones. 2.Studies to tune HOMO-LUMO levels of 9-fluorenone scaffolds. 3.O-methylation for synthesis of second-generation light driven rotary molecular motors. 4.Reactions with aluminum, gallium compounds, and methylquinolines. 5. Synthesis of acridinyl- and fluorenylidenehydrazido calixarenes. 6.Acetylation for synthesis of acetates.