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Base-Promoted One-Pot Tandem Reaction of 3-(1-Alkynyl)chromones under Microwave Irradiation to Functionalized Amino-Substituted Xanthones

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journal contribution
posted on 17.09.2010, 00:00 by Yang Liu, Liping Huang, Fuchun Xie, Youhong Hu
A base-promoted one-pot tandem reaction has been developed from 3-(1-alkynyl)chromones with various acetonitriles to afford functionalized amino-substituted xanthones 3 under microwave irradiation. This tandem process involves multiple reactions, such as Michael addition/cyclization/1,2-addition, without a transition metal catalyst. This method provides an efficient approach to build up natural product-like diversified amino-substituted xanthone scaffolds rapidly.

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