A new access to diazaphospholes via cycloaddition-cycloreversion reactions on triazaphospholes.
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DOI: 10.1039/d2cc02269a
Abstract: A novel bis-CF3-substituted diazaphosphole was synthesized selectively from hexafluoro-2-butyne and a 3H-1,2,3,4-triazaphosphole derivative. The [4+2] cycloaddition and subsequent cycloreversion reaction under elimination of pivaloyl nitrile affords the product in high yield. The heterocycle coordinates via… read more here.
Keywords: cycloreversion; diazaphospholes via; via cycloaddition; new access ... See more keywords