Discovery of a Special Intramolecular Aldol-Like Reaction in the Synthesis of Related Substance E of Tadalafil
Qian Pengfei, Wan Huixin, Jiang Jing, Hu Yanwei, Chen Xiaobei, Zhang Shilei
Chin. J. Org. Chem. . 2016, (8): 1878 -1882 .  DOI: 10.6023/cjoc201602028