Chemical Reviews, 2001, Vol. 101, No. 7 7A
In Color on the Front Cover (Top left) Polymerization methods now addressable by lipase- and oxidase-catalyzed reactions. See “Polymer Synthesis by In Vitro Enzyme Catalysis” by Richard A. Gross, Ajay Kumar, and Bhanu Kalra, p 2097. (Top right) Mixture-based combinatorial library use of cyclic β-amino acids in the Ugi 4CR reaction. See “The Chemistry of 2-Aminocycloalkanecarboxylic Acids” by Ferenc Fu¨lo¨p, p 2181. (Bottom left) Cells are obtained from a patient, expanded in vitro, and transplanted into the patient. See “Hydrogels for Tissue Engineering” by Kuen Yong Lee and David J. Mooney, p 1869. (Bottom right) Sealed Pyrex tube with red crystals of octahedral chalcohalide rhenium clusters synthesized by hightemperature solid-state reactions; the prototypical two-dimensional framework of Re6Se6Cl6 and the structure of [Re6S6P2](PPr3)6, obtained by ligand substitutions at room temperature in organic solutions. See “Chemistry of Hexanuclear Rhenium Chalcohalide Clusters” by Jean-Christophe P. Gabriel, Kamal Boubekeur, Santiago Uriel, and Patrick Batail, p 2037. In Color on the Back Cover (Top center) Gluthione peroxidase (GPx) catalytic cycle of ebselen. See “Chemistry of Biologically Important Synthetic Organoselenium Compounds” by Govindasamy Mugesh, Wolf-Walther du Mont, and Helmut Sies, p 2125.
