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Digitale Medien

Synthetic methyl- and dimethylalkanes (1989)

George Pomonis, J. ; Hakk, Heldur ; Fatland, Charlotte L.

Springer

Journal of chemical ecology 15 (1989), S. 2319-2333

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ISSN: 1573-1561

Schlagwort(e): Insect hydrocarbon ; methylpentacosane ; 2,X-dimethylalkane(s) ; [13C]NMR ; mass spectra ; Kovats index

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Chemie und Pharmazie

Notizen: Abstract All possible isomeric mono-methylpentacosanes as well as 2,6-, 2,8-, 2,10-, 2,12-, and 2,14-dimethylheptacosane were synthesized. The [13C]NMR shifts and the Kovats indices were determined, and the relationship to separation of isomeric mixtures of insect cuticular waxes are discussed. When several homologous series of hydrocarbon isomeric mixtures are to be separated, it is not practical to attempt complete gas-chromatographic separation of all possible isomers. The mass spectra of the 2,X-dimethylheptacosanes are presented and discussed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01012084

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