In the IUPAC nomenclature of bridged and spiro compounds, how are the numbers of carbon atoms in the — IUPAC and Nomenclature Chemistry Question

💡 Solution & Explanation

According to IUPAC rules, the numbers in the brackets for bicyclic compounds are written in decreasing order (e.g., Bicyclo[2.2.1]heptane), whereas for spiro compounds, they are written in increasing order (e.g., Spiro[2.4]heptane).