Base-Promoted Chemodivergent Formation of 1,4-Benzoxazepin-5(4<i>H</i>)-ones and 1,3-Benzoxazin-4(4<i>H</i>)-ones Switched by Solvents

The KOH-promoted chemodivergent benzannulation of <i>ortho</i>-fluorobenzamides with 2-propyn-1-ol can afford either 1,4-benzoxazepin-5(4<i>H</i>)-ones or 1,3-benzoxazin-4(4<i>H</i>)-ones in good yields with high selectivity, depending greatly upon the use of solv...

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Bibliographic Details
Main Authors: Qian Chen, Yunpeng Wang, Ruimao Hua
Format: Article
Language:English
Published: MDPI AG 2019-10-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/24/20/3773