The Preparation of 1H-Pyrazole-5-propanoic and 1H-Pyrazole-5-butanoic Acids from Dilithiated C(α),N-Carboalkoxyhydrazones and Succinic or Glutaric Acid Anhydrides
作者:A. Cameron Church、Madlene U. Koller、Sheila A. O'Grady、Charles F. Beam
DOI:10.1080/00397919608004575
日期:1996.7
Abstract C(α),N-Carboalkoxyhydrazones were dilithiated with excess lithium diisopropylamide, condensed with succinic or glutaric acid anhydride, and cyclized to 1H-pyrazole-5-propanoic or 1H-pyrazole-5-butanoic acids.
摘要 C(α),N-碳烷氧基腙用过量的二异丙基氨基锂二锂化,与琥珀酸或戊二酸酐缩合,环化成1H-吡唑-5-丙酸或1H-吡唑-5-丁酸。