16: Pericyclic Reactions Last updated Dec 27, 2021 Save as PDF 15.2: 1,2- and 1,4-Additions of Organometallic Reagents 16.1: Molecular Orbitals and Orbital Symmetry Page ID362160 ( \newcommand{\kernel}{\mathrm{null}\,}\) 16.1: Molecular Orbitals and Orbital Symmetry16.2: Cycloaddition Reactions16.3: The Diels-Alder Cycloaddition Reaction16.4: Characteristics of the Diels-Alder Reaction16.5: An Electrocyclic Reaction of the Benzene Ring- The Claisen Rearrangement16.6: Sigmatropic Rearrangements