Ambiguousness of GC-MS identification of spiro[2.4]hepta-4,6-diene in natural objects |
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| Authors: | L G Menchikov O M Nefedov I G Zenkevich |
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| Institution: | 1.N. D. Zelinsky Institute of Organic Chemistry,Russian Academy of Sciences,Moscow,Russian Federation;2.Department of Chemistry,St. Petersburg State University,St. Petersburg,Russian Federation |
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| Abstract: | The publications on the GC-MS identification of spiro2.4]hepta-4,6-diene in various natural objects were critically considered. Significant similarity of the mass spectra and coincidence of the GC retention indices on standard nonpolar phases of spiro2.4]hepta-4,6-diene (761±3) and its isomer (toluene, 760±8) do not allow one to assert that the spirocyclic hydrocarbon was found in all the cases. Additional analytical parameters should be applied to differentiate such isomers. |
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