Contents Biaryls in Nature: A Multi-Facetted Class of Stereochemically, Biosynthetically, and Pharmacologicall Intriguing Secondary Metabolites (G. Bringmann, C. Günther, M. Ochse, O. Schupp, S. Tasler) Introduction * General * The Elucidation and Stereochemical Description of the Absolute Configuration at Biaryl Axes Non-Bridged Biaryls * Bi- and Polyphenyls * Dimeric Naphthalene Systems * Dimeric Anthracenes and Anthraquinones * Monomeric 9,10-Dihydrophenanthrenes, Dimeric Phenanthrenes, and 9,10-Dihydrophenanthrenes * Natural Bicoumarins with Biaryl Axes * Biflavonoids and Related Compounds * Phenylphenalenones * Constitutionally Unsymmetric, Cross-Coupled Biaryls With Various Iso-or Heterocyclic Building Blocks * Arylnaphthalene Lignans * Naphthylisoquinoline Alkaloids * Unbridged Biaryl Alkaloids Bridged Biaryls * Lactone-Bridged Biaryls * The Dibenzocyclooctadiene Lignans * Macrocyclic Biphenyls * Bridged Biaryl Alkaloids * Biaryl Glycopeptides and Other Cyclic Peptides with a Biphenyl Unit