1,1′-diphenyl-1,1′-bicyclopropyl and 1,1′-diphenyl-1,1′-bicyclobutyl

Article abstract of DOI:10.1107/S0108270195011929

The molecules of 1,1′-diphenyl-1,1′-bicyclopropyl, C₁₈H₁₈, and 1,1′-diphenyl-1,1′-bicyclobutyl, C₂₀H₂₂, each possess a crystallographic centre of symmetry. Both molecules adopt the trans conformation. The cyclop