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Lintenolides C–E: Unusual Antifeedant Sesterterpenes Isolated from the Marine Sponge Cacospongia cf. linteiformis
Author(s) -
Carotenuto Alfonso,
Fattorusso Ernesto,
Magno Silvana,
Mayol Luciano,
Lanzotti Virginia
Publication year - 1996
Publication title -
liebigs annalen
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 0947-3440
DOI - 10.1002/jlac.199619960112
Subject(s) - sponge , chemistry , stereochemistry , two dimensional nuclear magnetic resonance spectroscopy , botany , biology
In addition to the previously described lintenolides A and B ( 3a, b and 4a, b ), the marine sponge Cacospongia cf. linteiformis was also found to produce the three new lintenolides C ( 7a, b ), D ( 8a, b ) and E ( 9a, b ), all possessing the same highly antifeedant activity previously found in lintenolides A and B. The stereostructures of the metabolites were mainly elucidated by extensive NMR studies.