AbstractThe halogen‐lithium interconversion reaction betweenp‐bromophenyl‐cyclohexene‐1 and organolithium compounds was investigated. It resulted in the production ofp‐Δ1‐cyclohexenyl‐phenyllithium. The organolithium compounds used in the interconversion reaction were phenyllithium,n‐propyllithium andn‐butyllithium. They brought about 25%, 19% and 10% conversions based onp‐bromophenylcycloh