Transition-metal-free insertion reactions of alkynes into the C–N σ-bonds of imides: synthesis of substituted enamides or chromones

• DOI: 10.1039/c8cc03059f
• Publication Date: 2018-05-23T10:04:37Z
• Authors: Zhong Zheng; Ye Wang; Murong Xu; Lingkai Kong; Mengdan Wang; Yanzhong Li
• Keywords: 01 natural sciences; 0104 chemical sciences

Transition-metal-free insertion of ynones into the C–N σ-bonds imides for chemo-selective synthesis chromones or enamides.