The “One-Bead-One-Compound” Combinatorial Library Method

1. Peptoids 419 2. Oligocarbamates 420 3. Oligoureas 420 4. Vinylogous Sulfonyl Peptides 420 5. Peptidosulfonamides 420 6. Azatides 420 7. Ketides 420 D. Small Molecule Libraries 420 1. Acyclic Libraries 422 2. Libraries on Preformed Scaffolds 422 3. Heterocyclic Libraries 423 4. Structurally Heterogeneous Libraries 427 E. Cleavable Linkers 428 1. Single Cleavable Linkers 428 2. Multiply Cleavable Linkers 429 IV. Screening Methods 432 A. On-Bead Screening 432 1. Binding Assay 432 2. Functional Assay 434 B. Solution-Phase Screening 434 1. The 96-Well Two-Stage Releasable Assays 435