N-acylated bacteriohopanehexol-mannosamides from the thermophilic bacterium Alicyclobacillus acidoterrestris
Language English Country United States Media print-electronic
Document type Journal Article, Research Support, Non-U.S. Gov't
- MeSH
- Acylation MeSH
- Alicyclobacillus chemistry growth & development MeSH
- Amides analysis chemistry isolation & purification MeSH
- Spectrometry, Mass, Electrospray Ionization MeSH
- Magnetic Resonance Spectroscopy MeSH
- Mannose analysis chemistry MeSH
- Gas Chromatography-Mass Spectrometry MeSH
- Tandem Mass Spectrometry MeSH
- Temperature MeSH
- Triterpenes analysis chemistry isolation & purification MeSH
- Chromatography, High Pressure Liquid MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Amides MeSH
- bacteriohopanehexol MeSH Browser
- Mannose MeSH
- Triterpenes MeSH
Identification of molecular species of various N-acylated bacteriohopanehexol-mannosamides from the thermophilic bacterium Alicyclobacillus acidoterrestris by semipreparative HPLC and by RP-HPLC with ESI is described. We used triple-quadrupole type mass spectrometer, (1)H and (13)C NMR for analyzing this complex lipid. CD spectra of two compounds (model compound--7-deoxy-D: -glycero-D: -allo-heptitol obtained by stereospecific synthesis, and an isolated derivative of hopane) were also measured and the absolute configuration of both compounds was determined. On the basis of all the above methods, we identified the full structure of a new class of bacteriohopanes, represented by various N-acylated bacteriohopanehexol-mannosamides.
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