Nature CommunicationsChallenging the Bredt’s rule in an acid catalyzed cationic cyclization to get bicyclo[3.3.1]nonane derivativesOlaya García-PedreroPilar PardoNerea AlberroFernando P. CossíoFélix Rodríguez2025-11-26Full textDOI https://doi.org/10.1038/s41467-025-65574-6