DABCO-catalyzed unusual [4 + 2] cycloaddition reaction: non-substituted allenoate acts as a four-carbon synthon and facile synthesis of spirooxindoles
作者： Yufen Liu , Yanlong Du , Aimin Yu , Haifeng Mu , Xiangtai Meng
DOI: 10.1039/C5OB02383A
关键词:
摘要: A DABCO-catalyzed domino reaction between methyleneoxindoles and allenoates which enables the direct synthesis of spirooxindoles is reported. This first example a non-substituted allenoate to act as four-carbon synthon in tertiary amine-catalyzed reaction.
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