Mass Spectrometry PROBLEM SET II

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Presentation transcript:

Mass Spectrometry PROBLEM SET II This set of mass spectra introduce spectra of compounds with multiple functionality To help with the identification, IR and sometimes UV data will be given to assist identification of the unknown.

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: Mass Spectrum: M+ 130 (5.8), M+1 (0.4); UV lmax 244, log e = 3.8

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: FTIR (CCl4); UV lmax 244, log e = 3.8

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: Mass Spectrum: M+ 136 (75.0), M+1 (6.8); UV lmax 244, log e = 3.8

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: FTIR (film); UV lmax 220, log e = 4.1; lmax 280, log e = 4.2

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: Mass Spectrum: M+ 136 (57.8) M+1 (5.1), no UV data available

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: FTIR (KBr)

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: Mass Spectrum: M+ 156 (70.8), M+1 (5.6), M+2 (23.0)

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: FTIR (KBr); UV lmax 230.7, log e = 3.7, lmax 281, log e =2.9

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: Mass Spectrum: M+ 84 (1.6), M+1 (0.2)

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: FTIR (film); no UV data

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: Mass Spectrum M+ 135 (9.5), M+1 (1.2)

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: FTIR (film); UV unavailable

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: Mass Spectrum: M+ 100 (4.3), M+1 (0.3)

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: FTIR (film); UV unavailable

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: Mass Spectrum: M+ 183 (51.0), M+1 (4.3)

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: FTIR (KBr); UV unavailable

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: Mass Spectrum: M+ 124 (87.1), M+1 (6.9)

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: FTIR: (film); UV unavailable

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: Mass Spectrum: M+ 168 (2.5), M+1 (0.3), M+2 (0.9)

Mass Spectrometry PROBLEM SET II For the following compounds, determine the best possible structure that gives each of the following mass spectra: FTIR: (KBr)