Combinatorial chemistry in insects: a library of defensive macrocyclic polyamines.
basic_science · Level V
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Abstract
The pupal defensive secretion of the coccinellid beetle Epilachna borealis is composed principally of a combinatorial library of macrocyclic polyamines. These compounds constitute a previously unrecognized family of natural products, characterized by extremely large-ring lactonic structures derived from a small set of (2-hydroxyethylamino)alkanoic acids. The combinatorial assembly of these simple building blocks generates a high degree of structural diversity, which is further increased by slow, spontaneous intramolecular rearrangement of the macrocycles.
Medical subject headings
- Amino Acids
- Coleoptera
- Polyamines