Nature CommunicationsSwitchable annulation paths to diverse N-bridged bicyclic scaffolds via ligand-directed dicarbonylationYu-Kun LiuPeng YangLe-Cheng WangZhi-Peng BaoXiao-Feng Wu2026-06-09Full textDOI https://doi.org/10.1038/s41467-026-74395-0