Abstract
The structure, stereochemistry, and conformation of theonellapeptolide IIIe (1), a new 36-membered ring cyclic peptolide from the New Zealand deep-water sponge Lamellomorpha strongylata, is described. The sequence of the cytotoxic peptolide was determined through a combination of NMR and MS-MS techniques and confirmed by X-ray crystal structure analysis, which, with chiral HPLC, established the absolute stereochemistry.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Amino Acids / analysis
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Animals
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Antineoplastic Agents / isolation & purification*
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Antineoplastic Agents / pharmacology
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Gas Chromatography-Mass Spectrometry
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New Zealand
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Peptides, Cyclic / isolation & purification*
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Peptides, Cyclic / pharmacology
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Porifera / chemistry*
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Protein Conformation
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Spectrometry, Mass, Fast Atom Bombardment
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X-Ray Diffraction
Substances
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Amino Acids
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Antineoplastic Agents
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Peptides, Cyclic
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theonellapeptolide IIIe