Other ; Related Article: Zhiqiang Ma, Lin You, Chuo Chen|2017|J.Org.Chem.|82|731|doi:10.1021/acs.joc.6b02266 ; Abstract ; An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.