Synthesis of 4-Nitroisoxazoles via NO/NO2-Mediated Heterocyclization of Aryl-Substituted α,β-Unsaturated Ketones
作者:Elena B. Averina、Dmitry A. Vasilenko、Kirill S. Sadovnikov、Kseniya N. Sedenkova、Anastasiya V. Kurova、Yuri K. Grishin、Tamara S. Kuznetsova、Victor B. Rybakov、Yulia A. Volkova
DOI:10.1055/s-0039-1690053
日期:2020.5
A straightforward approach for the synthesis of 4-nitroisoxazoles has been developed via heterocyclization of aryl/hetaryl-substituted α,β-unsaturated ketones upon treatment with tetranitromethane-triethylamine (TNM-TEA) complex or t-BuONO. This strategy features high efficiency and wide substrate tolerance under simple reaction conditions.