141235-79-2Relevant academic research and scientific papers
Intramolecular Reaction of the Hydrazonyl Group with Formyl and Oxo Groups: Preparation of Pyrazoloindoles and Related Pyrazolo Compounds
Shen, Jing-Kang,Katayama, Hajime,Takatsu, Noriyuki,Shiro, Itsuo
, p. 2087 - 2098 (2007/10/02)
Lewis acid-catalysed intramolecular nucleophilic attack of a hydrazonyl group onto aldehyde and ketone groups gives pyrazoles and dihydropyrazoles.Pyrazoloindoles and related pyrazolo compounds have also been prepared.
Preparation of Pyrazole and Pyrazoline Derivatives by Intramolecular Reaction of Hydrazones
Shen, Jing-Kang,Katayama, Hajime
, p. 451 - 452 (2007/10/02)
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.
