Triphenylphosphine Catalyzed Lu's[3+2] Annulation of Aurones and Alkenoates: Constructing of Spiro[1-benzofuran-3-one-2,5'-cyclopentene] Polycyclic Compounds
Su Yingpeng, Feng Yawei, Cao Lindan, Xue Wenxuan, Shi Ya, Chang Bingbing, Huang Danfeng, Wang Ke-Hu, Hu Yulai
Chin. J. Org. Chem. . 2019, (5): 1333 -1343 .  DOI: 10.6023/cjoc201812022