Application of silica gel-supported polyphosphoric acid (PPA/SiO2) as a reusable solid acid catalyst to the synthesis of 3-benzoylisoxazoles and isoxazolines
作者:Ken-ichi Itoh、Tadashi Aoyama、Hiroaki Satoh、Yuki Fujii、Hiroshi Sakamaki、Toshio Takido、Mitsuo Kodomari
DOI:10.1016/j.tetlet.2011.10.038
日期:2011.12
3-Benzoylisoxazoles were synthesized by the reaction of alkynes and benzoylnitromethane using silica gel-supported polyphosphoric acid (PPA/SiO2). This reaction provides a convenient, efficient, and reusable synthetic method of isoxazole derivatives. (C) 2011 Elsevier Ltd. All rights reserved.