Versatile approach to heteroarylfuroxan derivatives from oximinofuroxans via a one-pot, nitration/thermolysis/[3+2]-cycloaddition cascade
作者:Alexander A. Larin、Leonid L. Fershtat、Ivan V. Ananyev、Nina N. Makhova
DOI:10.1016/j.tetlet.2017.09.013
日期:2017.10
simple, general, and regioselective method has been developed for the synthesis of a series of heteroarylfuroxans, including isoxazolyl-, isoxazolinyl- and (1,2,4-oxadiazolyl)furoxans. The described method is based on a cascade of one-pot processes, including the nitration of furoxancarbaldehyde oximes, thermolysis of the formed nitrolic acids to generate furoxancarbonitrile oxides, and [3+2]-cycloaddition