Abstract
Annelated benzodiazepines are attractive drug-like scaffolds with a broad spectrum of biological activities. Incorporation of this heterocyclic core into DNA-encoded chemical libraries (DELs) via multicomponent assembly is highly demanded. Herein, we developed a DNA-compatible method to generate the tricyclic benzodiazepine scaffold via catalyst-free three-component condensation using a broad range of aldehyde, o-phenylenediamine, and diketone sources. With either aldehyde or o-phenylenediamine conjugated with DNA tags, functionalized 1,5-benzodiazepine scaffolds were efficiently forged, expanding the chemical space of the diazepine-centered drug-like DEL.
Published Version
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