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Application of Laser-Excited Raman Spectroscopy to Organic Chemistry: V. The Ethylene Methyl Group

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Abstract:

The intensity ratio of the methyl symmetric deformation mode (ca. 1375 cm−1) and a band at ca. 1440 cm−1 can be employed empirically to determine the presence of methyl groups directly attached to ethylenic carbon atoms. Spectra of approximately 70 di- and trisubstituted acyclic and cyclic compounds containing ethylene methyls were examined. A good correlation was obtained between the number of methyl groups and the intensity ratios.

Keywords: Ethylene methyl group; Laser raman spectroscopy

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370272774351804

Affiliations: 1: International Flavors and Fragrances, Inc., R and D Center, Union Beach, New Jersey 07735 2: Department of Chemistry, Bowdoin College, Brunswick, Maine 04011

Publication date: September 1, 1972

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