A general synthesis of ynones from aldehydes via oxidative C–C bond cleavage under aerobic conditions

Z Wang, L Li, Y Huang

Index: Xie, Fang; Qi, Zisong; Yu, Songjie; Li, Xingwei Journal of the American Chemical Society, 2014 , vol. 136, # 12 p. 4780 - 4787

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Citation Number: 39

Abstract

We describe a direct synthesis of various ynones from readily available aldehydes and hypervalent alkynyl iodides. In this method, a gold catalyst and a secondary amine work synergistically to produce the trisubstituted allenyl aldehyde, which can be converted to the desired ynone through an in situ C–C bond oxidative cleavage using molecular oxygen.

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