Organophosphoric Acid Catalyzed [3+3] Cyclization for the Synthesis of Indenoquinolinedione Derivatives
Xinyan Guo, Haolei Yu, Honglin Wan, Yu Lu, Wei Tan, Feng Shi
Chinese Journal of Organic Chemistry . 2024, (12): 3727 -3738 .  DOI: 10.6023/cjoc202405040