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- W2321811603 abstract "Comprehensive discussions have been presented on general aspects of mass pattern of sesquiterpene hydrocarbons, saturated hydrocarbons, and sesquiterpene alcohols, together with their principal degradation mechanisms. Two ion species, m/e 124 and 82, were particularly remarked among those generated from saturated hydrocarbons. A hypothetical rule has been postulated as to the appearance of m/e 82 ion species and the mechanism of its formation. An application of it to a structural problem suggests its utility. Throughout the hydrocarbons, cracking pattern nodes are often formed at C12, C9, and C7 ion groups, due to the presence of “free” or “latent” isopropyl, isohexyl, and 2, 6-dimethyl-hexyl chains, respectively. Plausible interpretations were achieved with many unsaturated sesqui-terpenes by taking allylic fission, fission involving rearrangement particularly into conjugation with a double bond, retro Diels-Alder cracking, as well as movility of double bond and inclination to complete an aromatic ring system, into account. Several important supports to the interpretation of special ion species from sesquiterpene hydrocarbons have been obtained from the informations of the corresponding oxygenated compounds, or, vice versa. The tables of cracking pattern characteristic are attached of 39 saturated and 48 unsaturated sesquiterpene hydrocarbons." @default.
- W2321811603 created "2016-06-24" @default.
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- W2321811603 date "1967-01-01" @default.
- W2321811603 modified "2023-09-25" @default.
- W2321811603 title "Mass Spectra of Sesquiterpenes" @default.
- W2321811603 doi "https://doi.org/10.5702/massspec1953.15.162" @default.
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