Nature CommunicationsAtroposelective construction of axially chiral alkenylindole-fused nine-membered rings via catalytic asymmetric formal (4 + 5) cycloadditionSi-Jia LiuXue WangJi-Xiang YangXian-Song AoShao-fei NiYu-Chen ZhangFeng Shi2025-07-17Full textDOI https://doi.org/10.1038/s41467-025-62035-y