List of Contributors.- Cephalostatin Analogues — Synthesis and Biological Activity.- 1. Introduction.- 2. Synthesis of Bissteroidal Pyrazines 15 2.1. Synthesis of Symmetrical Pyrazines and Subsequent Desymmetrization.- 3. A-D-Ring Functionalization.- 4. The Spiroketal Area of Cephalostatins.- 5. Summary.- Acknowledgements.- References.- Siderophores of the Pseudomonadaceae sensu stricto (Fluorescent and Non-Fluorescent Pseudomonas spp.).- 1. Introduction.- 2. The Typical Siderophores of the Fluorescent Pseudomonads —the Pyoverdins.- 3. Other Siderophores of Fluorescent Pseudomonads.- 4. Iron Sequestering.- 5. Pseudomonasand Health.- 6. Pseudomonasand Agriculture.- 7. Pseudomonasand Environmental Problems.- Notes Added in Proof.- Acknowledgements.- Abbreviations.- Appendices.- References.- Author Index.
