Abstract
IT has been shown by J. C. Earl1 that the N-nitroso-N-arylglycines, for example, Ph.N (NO).CH2.CO2H, on treatment with acetic anhydride lose a molecule of water, giving monomolecular anhydro derivatives which have been termed ‘sydnones’. The structure tentatively suggested for these compounds contains the fused three- and four-membered ring system (I), and is unacceptable for a number of reasons which need not be enumerated.
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References
Earl, J. C., and Mackney, A. W., J. Chem. Soc., 899 (1935). Earl, J. C., and Eade, R. A., J. Chem. Soc., 591 (1946).
Baker, W., Tilden Lecture, J. Chem. Soc., 267 (1945).
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BAKER, W., OLLIS, W. Structure of the ‘Sydnones’. Nature 158, 703 (1946). https://doi.org/10.1038/158703a0
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DOI: https://doi.org/10.1038/158703a0
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