Isolation of callipeltins A–C and of two new open-chain derivatives of callipeltin A from the marine sponge Latrunculia sp. A revision of the stereostructure of callipeltins
✍ Scribed by Angela Zampella; Antonio Randazzo; Nicola Borbone; Sisto Luciani; Lucia Trevisi; Cécile Debitus; Maria Valeria D'Auria
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- French
- Weight
- 83 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
Two new callipeltin-related acyclic peptides (2 and 3) have been isolated, together with callipeltins A-C from the marine sponge Latrunculia sp. collected at the Vanuatu Islands. The gross structures of new compounds were elucidated by spectroscopic data. The application of the Marfey's analysis on the new derivatives and on callipeltin A (1), allowed us to revise the configuration of two amino acid units in callipeltin A.
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
A, B and C have been isolated as the major cytotoxic pigments of three different L.atruncufia spot@ species from New Zealand.. The lH-and laC!-I&R spectra of ihe mious%y reported discorhabdin C 1 have been assigned. The strracture6 of discorhabdins A 2 and B 3 have been established by spe+a.l compar
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v