Intramolecular Nitrile Imide Cycloadditions leading to Benzo[c]pyrazolo[1,5-e][1,5]-oxazonine and -oxazecine Skeletons†

Abstract

A synthetic route to the new title compounds 4, which involves an intramolecular nitrile imide cycloaddition to an acetylenic moiety as the key step, is described.

References

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