Mammalian exocrine secretions: X. constituents of preorbital secretion of grysbok,Raphicerus melanotis |
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Authors: | B V Burger F-C Tien M Le Roux W-P Mo |
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Affiliation: | (1) Laboratory for Ecological Chemistry Department of Chemistry, University of Stellenbosch, 7600 Stellenbosch, South Africa |
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Abstract: | Using electron impact and chemical ionization mass spectrometry with methane and nitric oxide as reactant gases in conjunction with mass spectral analysis of the dimethyl disulfide derivatives of unsaturated constituents, 51 compounds have been identified in addition to the compounds previously found in the preorbital secretion of the grysbokRaphicerus melanotis. The compounds identified are saturated, monounsaturated, and diunsaturated alcohols and formates, saturated and monounsaturated aldehydes, saturated carboxylic acids, - and -lactones, alkyl methyl sulfides, and -hydroxyalkyl acetates. All of these compounds have unbranched structures. The constituent previously incorrectly identified as (Z)-5-tetradecen-1-ol, was found to consist of the coeluting (Z)-7- and (Z)-8-tetradecenols. |
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Keywords: | Raphicerus melanotis mammalian semiochemicals mammalian pheromones exocrine secretion preorbital secretion double bond localization mass spectrometry |
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