Catalytic synthesis of acetophenone cycloethylene ketal by the morpholine functionalized acidic lionic liquid on silica gel
Jin Xinlei, Fan Weizeng, Xu Yongcun, Zhang Ping, Liu Yafeng
Industrial Catalysis . 2020, (11): 50 -53 .  DOI: 10.3969/j.issn.1008-1143.2020.11.008