Modular Synthesis of Benzothiophene-Fused Pentalene Reveals Substituent-Dependent Antiaromaticity

Key Points

• This research aims to explore the synthesis and electronic properties of benzothiophene-fused pentalene compounds.
• Synthesis of benzothiophene-fused pentalene scaffolds.
• Examination of the substituent effects on antiaromatic properties.
• Evaluation of the electronic features of the synthesized compounds.
• Substituent effects significantly influence antiaromaticity levels.
• Strongly antiaromatic heteroarene-fused scaffolds were successfully synthesized.
• Novel insights into the electronic behavior of certain π-electron systems were gained.