Regioselective Synthesis of Substituted Pyrazoles via[3+2]/[2+3] Cyclization of Saturated Ketone with Hydrazine/Aldehyde Hydrazone
Shi Xiaonan, Tian Miaomiao, Wang Muhua, Zhang Xinying, Fan Xuesen
Chin. J. Org. Chem. . 2019, (6): 1630 -1641 .  DOI: 10.6023/cjoc201903046