SEARCH Articles Figures Tables CONJUGATION IN ALKADIENES AND ALLYLIC SYSTEMS Conjugate system Conjugated Pi Systems and Pericyclic Reactions Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy Conjugated Systems, and Pericyclic Reactions Conjugated system conjugation) Conjugated systems Dienes and the Allyl System 2p Orbitals in Conjugation Molecular Orbitals and Pericyclic Reactions of Conjugated Pi Systems Positive conjugation and hyperconjugation in vinyl systems Small Rings and Conjugated Systems