SEARCH Articles Figures Tables 1.3- Dienes via cyclobutenes Cyclobutene Cyclobutene ring 1.3- dienes Cyclobutene-diene Cyclobutene-diene Cyclobutene-diene interconversion, orbital Cyclobutene-diene requirements Cyclobutenes Cyclobutenes photochemical ring-opening to dienes Cyclobutenes ring-opening to dienes Dienes from cyclobutenes Dienes-cyclobutene Dienes-cyclobutene Dienes-cyclobutene interconversion, orbital Dienes-cyclobutene requirements Dienes-cyclobutene with aromatic rings Interconversion, 1,3-diene-cyclobutene