氮杂环卡宾(NHC)催化水杨醛与吡唑啉酮-4,5-二酮的[4+2]环加成反应高效构建螺缩酮-吡唑啉酮化合物
王晓梅, 刘岩, 李师伍, 赵志飞
N-heterocyclic carbene-catalyzed [4 + 2] Cycloaddition of Salicylaldehydes with Pyrazole-4,5-diones for the Synthesis of Spiroketal-pyrazolones
Wang, Xiaomei, Liu, Yan, Li, Shiwu, Zhao, Zhifei
有机化学
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DOI: 10.6023/cjoc202406005
