Complanine

(-)- Complanin

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Complanin is a natural substance that has been isolated from the marine polychaete Eurythoe complanata.

Occurrence

The marine polychaete Eurythoe complanata is known for its danger to animals. In humans, it can cause inflammation of the skin due to its small bristles. Complanin was isolated as an inflammation -inducing substance from these animals. A total synthesis confirms the structure and absolute configuration.

Chemical structure

In the natural product is a doubly unsaturated hydrocarbon chain, with one at such structures available in nature, twofold cis configuration. Via an amide ammonium salt of a γ - amino acid is bound. Complanin is also a chiral secondary alcohol, the enantiomerically pure occurs in nature.

Biological Significance

The substance is believed to ward off predators.