Photocatalytic   decarboxylative [2+2+1] annulation of 1,6-enynes with N-hydroxyphthalimide   esters for the synthesis of indene-containing polycyclic compounds

Meng-Jie Jiao,   Dan Liu, Xiu-Qin Hu* and Peng-Fei Xu*

https://doi.org/10.1039/C9QO01166H