Timing of hydrogen randomization in substituted diphenyl acetylenes

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16 Scopus citations


The mass spectra of halogenosubstituted diphenylacetylenes show hydrogen scrambling between the two phenyl rings. As with the halogenobenzenes the randomization process occurs i the molecular ion rather than in the [M – 1] ion as is the case for methyldiphenylacetylene (I, × = CH3).

Original languageEnglish (US)
Pages (from-to)239-240
Number of pages2
JournalOrganic Mass Spectrometry
Issue number2
StatePublished - Feb 1970

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Medicine
  • Instrumentation


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