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The first naturally occurring α-methoxylated branched-chain fatty acids from the phospholipids of Amphimedon complanata

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Lipids

Abstract

The phospholipid fatty acid composition of the sponge Amphimedon complanata was reinvestigated, and the 2-methoxy-13-methyltetradecanoic acid, 2-methoxy-14-methylpentadecanoic acid, and 2-methoxy-13-methylpentadecanoic acid were identified for the first time in nature. Structure characterization was accomplished by means of gas chromatographic retention times and gas chromatography-mass spectrometry. These acids could have originated from bacteria in symbiosis with the sponge.

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Abbreviations

DMDS:

dimethyl disulfide

ECL:

equivalent chain length

FCI:

fractional chain length

GC-MS:

gas chromatography-mass spectrometry

TLC:

thin-layer chromatography

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Authors and Affiliations

  1. Department of Chemistry, University of Puerto Rico, P.O. Box 23346, 00931-3346, San Juan, Puerto Rico

    Néstor M. Carballeira & Johanna Alicea

Authors
  1. Néstor M. Carballeira
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  2. Johanna Alicea
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Correspondence to Néstor M. Carballeira.

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Carballeira, N.M., Alicea, J. The first naturally occurring α-methoxylated branched-chain fatty acids from the phospholipids of Amphimedon complanata . Lipids 36, 83–87 (2001). https://doi.org/10.1007/s11745-001-0672-1

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  • DOI: https://doi.org/10.1007/s11745-001-0672-1

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