Divergent On-DNA Transformations from DNA-Linked Piperidones

A group of highly efficient and divergent transformations for constructing multiple DNA-linked chemotypes based on a piperidone core were successfully developed. We reported the first procedure for the synthesis of a DNA-conjugated piperidine intermediate under basic conditions. Subsequently, this substructure was subjected to additional reactions to generate several privileged scaffolds, including 4-aminopiperidine, fused [1,2,4]­triazolo­[1,5-a]­pyrimidine, and a quinoline derivative. These transformations paved the way for constructing focused scaffold-based DNA-encoded libraries with druglike properties.