New natural 2-acetoxy fatty acids using chemical ionization and electron impact mass spectrometry.
The phospholipids of the sponge Polymastia gleneni contain saturated long chain (C22-30)-acetoxy fatty acids. Their structures were assigned based on chromatographic and spectrometric data as well as comparison with a synthetic sample. The use of capillary gas chromatography combined with chemical ionization and electron impact mass spectrometry was instrumental in the eludication of structures, since only a very small amount of crude lipids was available.
D000085:Acetates / Q000032:analysis*; D000818:Animals; D005227:Fatty Acids / Q000032:analysis*; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods; D013058:Mass Spectrometry / Q000379:methods; D011161:Porifera / Q000032:analysis*; D013329:Structure-Activity Relationship
D000085:Acetates; D005227:Fatty Acids