Unexpected TFA-catalyzed tandem reaction of benzo[d]oxazoles with 2-oxo-2-arylacetic acids: synthesis of 3-aryl-2H-benzo[b][1,4]oxazin-2-ones and cephalandole A
Unexpected TFA-catalyzed tandem reaction of benzo[d]oxazoles with 2-oxo-2-arylacetic acids: synthesis of 3-aryl-2H-benzo[b][1,4]oxazin-2-ones and cephalandole A
TFA-catalyzed reaction of benzo[d]oxazoles with 2-oxo-2-arylacetic acids: synthesis of 3-aryl-2H-benzo[b][1,4]oxazin-2-ones and the natural product cephalandole A.
Synthesis of spiropyrans and arylquinones <i>via</i> Ru(<scp>ii</scp>)-catalyzed condition-controlled coupling of 3-aryl-2<i>H</i>-benzoxazinones with benzoquinones
作者:Mengying Zhang、Yuhao He、Song Li、Yuehua Geng、Xiangyang Liu、Xifa Yang
DOI:10.1039/d3cc03395c
日期:——
Ru(ii)-catalyzed condition-controlled divergent coupling between 3-aryl-2H-benzoxazin-2-ones and benzoquinones has been realized under operationally simple conditions, affording a series of structurally stable spiropyrans and valuable arylquinones.