Piperidinium Acetate-Catalyzed the Synthisis of 2,3-Disubstituted Chroman-4-one and 2,2-Disubstituted Benzofuran-3-one Derivatives
Wang Haifei, Zhou Zhipeng, Hu Shunqin, Wen Pushan, Tao Bin, Deng Qifu
Chin. J. Org. Chem. . 2016, (3): 596 -603 .  DOI: 10.6023/cjoc201510014