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The article contains sections titled: 1. Introduction 2. Concept of Combinatorial Chemistry 3. Methods and Techniques of Combinatorial Synthesis 3.1. Synthetic Strategies Towards Combinatorial Libraries 3.1.1. Split ‐ Pool Synthesis Towards Combinatorial Libraries 3.1.1.1. Techniques using Resin Beads 3.1.1.2. Tea‐Bag Method 3.1.2. Parallel Synthesis Towards Combinatorial Libraries 3.1.2.1. Reaction Apparatus using Resin Beads 3.1.2.2. Multipin Technique 3.1.2.3. Spatially Addressable Parallel Synthesis on Silica Wafer 3.1.3. Reagent Mixture Synthesis Towards Combinatorial Libraries 3.2. Synthetic Methodology for Organic Library Construction 3.2.1. Solid‐Phase Organic Synthesis 3.2.1.1. Solid Support, Linker, and Cleavage Strategies 3.2.1.2. Reaction Portfolio 3.2.2. Synthesis in Solution and Liquid‐Phase Synthesis 4. Characterization of Combinatorial Libraries 4.1. Analytical Characterization 4.2. Hit Identification in Combinatorial Libraries by High‐Throughput Screening 4.2.1. Strategies for Libraries of Compound Mixtures 4.2.1.1. On‐Bead Screening 4.2.1.2. Deconvolution 4.2.1.2.1. Iterative Deconvolution 4.2.1.2.2. Deconvolution by Positional Scanning 4.2.1.2.3. Deconvolution by Orthogonal Libraries 4.2.1.3. Encoding 4.2.1.4. Multiple Cleavable Linkers 4.2.2. Strategies for Libraries of Separate Single Compounds 4.2.3. Conclusion 5. Automation and Data Processing 5.1. Synthesis Automation and Data Processing 5.2. Automated Purification 6. Library Design and Diversity Assessment 6.1. Diversity Assessment for Selection of Building Blocks or Compound 6.2. Iterative Optimization Methods 7. Economic Aspects and Industrial Case Studies 8. Further Developments 8.1. Combinatorial Chemistry and Catalysis 8.2. Combinatorial Chemistry and Material Science

Daß sich die Kombinatorische Chemie in diesem Jahrzehnt zu einer Schlüsseltechnologie entwickelt hat, dazu haben insbesondere die Fortschritte bei der Automatisierung beigetragen. Vor diesem Hintergrund wurde vom Bundesministerium für Bildung und Forschung (BMBF) das industrielle Verbundvorhaben “Automatisierte Kombinatorische Chemie” mit mehreren Millionen DM von 1995 bis 1998 gefördert.