Organic Letters p. 4491 - 4494 (2007)
Update date:2022-08-02
Topics:
Shen, Quansheng
Huang, Wen
Wang, Jialiang
Zhou, Xigeng
(Chemical Equation Presented) A recyclable, convenient, and efficient catalytic system for C-acylation of 1,3-dicarbonyl compounds and malononitrile with acid chlorides has been developed, giving moderate to excellent yields under mild conditions. This is the first catalytic example of such reactions. In addition, by applying this protocol as the key step, 3,5-disubstituted-1H- pyrazole-4-carboxylate can easily be synthesized in high yields in a one-pot procedure.
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