Preparation of Pyrazole and Pyrazoline Derivatives by Intramolecular Reaction of Hydrazones
作者:Jing-Kang Shen、Hajime Katayama
DOI:10.1246/cl.1992.451
日期:1992.3
Pyrazole and pyrazoline derivatives are prepared by the intramolecular cyclization reaction of a hydrazonyl group with formyl or keto groups in the presence of a Lewis acid.
吡唑和吡唑啉衍生物是通过氢腙基团与醛基或酮基在路易斯酸存在下进行的分子内环化反应制备的。
Shen, Jing-Kang; Katayama, Hajime; Takatsu, Noriyuki, Journal of the Chemical Society. Perkin transactions I, 1993, # 17, p. 2087 - 2098