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Mass Spectrometric Investigations of Phenylacetic Acid Derivatives, III: Fragmentation of meta- and para-substituted Phenylacetamides after Electron Impact

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Lee, D.-U. ; Mayer, K. K. ; Wiegrebe, Wolfgang
Date of publication of this fulltext: 07 Jul 2010 05:12


The electron impact induced fragmentations of m- and p-substituted phenylacetamides and N,N-dimethyl-phenylacetamides 1-14 were investigated and compared with the o-analogues. A l l m- and p-substituted amides yield molecular ions with high relative intensities which do not lose their meta- and para-substituents. Loss of HNCO from M + * is dominant in the prim, amides, whilst for the tert. ...


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