Figure 2.
Approaches to DNA-recorded library synthesis. A) Neri and co-workers synthesized a 4,000-membered DNA-encoded library using a bicyclic Diels-Alder-formed scaffold and DNA-tag synthesis using primer extension. A similar 4,000-membered DNA-encoded library was also synthesized using amide-bond-formation chemistry. B) Researchers at Praecis Pharmaceuticals assembled a 7-million-membered DNA-encoded library using alternating cycles of enzymatic DNA ligation and chemical synthesis on a triazine scaffold.
