Ring expansion of an antiaromatic beryllole: Synthesis of novel five-, seven-and nine-membered beryllacycles

Key Points

• This research aims to explore the reactivity of beryllole and compare it with boron-based borole.
• Synthesis of beryllole to study its chemical properties.
• Comparison of beryllole's reactivity with its boron analogue borole.
• Analysis of the resulting five-, seven-, and nine-membered beryllacycles.
• Successful synthesis of novel beryllacycles.
• Demonstrated unique chemical behavior of beryllole compared to borole.
• Identified specific reactions with small molecules leading to ring expansion.