The intramolecular nitrile oxide cycloaddition (INOC) reaction
is applied to the synthesis of novel isoxazolooxazepinoindazole,
benzoisoxazolodiazepinoindazolone, and spiro[isoxazoloazepine]piperidine
heterocycles. Each of these targets incorporates a unique trinitrogen-containing
triheterocyclic framework.
alkenes - cycloadditions - heterocycles - pericyclic
reactions - spiro compounds