Synthesis of Benzoxaboroles by <i>ortho</i>-Oxalkylation of Arylboronic Acids with Aldehydes/Ketones in the Presence of Brønsted Acids
作者:Jing Zhao、Jiuxi Chen、Qing Xu、Huan Li
DOI:10.1021/acs.orglett.1c00032
日期:2021.3.19
Herein we describe a simple and efficient synthesis of benzoxaboroles fromarylboronicacids and aldehydes or ketones in the presence of a Brønsted acid. This method greatly simplifies the starting materials and reduces the number of reaction steps. The reaction can also be accomplished with acetals and ketals. The reaction has a wide substrate scope and high practicability.