Three-component assembly of 2,3-disubstituted benzoeindoles from 1,2-diketones, 2-tetralones, and NH4OAc

Key Points

• The aim is to develop a catalyst-free method for synthesizing benzo[e]indole derivatives.
• Utilized a three-component assembly approach.
• Combined 1,2-diketones, 2-tetralones, and NH4OAc without catalysts or additives.
• Demonstrated scalability for gram-scale synthesis.
• Achieved broad substrate compatibility in reactions.
• Displayed favorable fluorescence properties in photophysical studies.