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The chemistry of marine pulmonate gastropods.
Secondary metabolites from pulmonate molluscs of the genera Siphonaria, Onchidium, and Trimusculus are described and strong resemblance between class I and cephalaspidean metabolites and between class II and onchidiid metabolites encourages speculation about their biosynthetic and phylogenetic relationship.
SECONDARY METABOLITES FROM MARINE PENICILLIUM BREVICOMPACTUM
In a screening of Basidiomycete cultures isolated from marine invertebrates collected along the Chilean coastline, a Penicillium brevicompactum strain was identified as a producer of metabolites inhibiting the growth of bacteria and fungi.
Carijodienone from the octocoral Carijoa multiflora. A spiropregnane-based steroid.
Two new steroids (1 and 2) and the known pregna-1,4,20-trien-3-one (3) have been isolated from the Pacific octocoral Carijoa multiflora. Compound 1 possesses a novel spiropregnane-based steroidal…
Unusual chlorinated pregnanes from the eastern Pacific octocoral Carijoa multiflora
Aplysiadiol from Aplysia dactylomela suggested a key intermediate for a unified biogenesis of regular and irregular marine algal bisabolene-type metabolites
Dactylomelatriol, a biogenetically intriguing omphalane-derived marine sesquiterpene.
- A. Díaz-Marrero, J. M. de la Rosa, Inmaculada Brito, J. Darias, M. Cueto
- ChemistryJournal of natural products
- 5 January 2012
Dactylomelatriol (1), obtained from the sea hare Aplysia dactylomela, is the first naturally occurring omphalane-derived sesquiterpene from the marine environment. From this species the known…
Neopetrosiamides, peptides from the marine sponge Neopetrosia sp. that inhibit amoeboid invasion by human tumor cells.
Two diastereomeric tricyclic peptides that inhibit amoeboid invasion of human tumor cells, have been isolated from the marine sponge Neopetrosia sp.
Carijenone, a novel class of bicyclic prostanoid from the eastern Pacific octocoral Carijoa multiflora.
- E. Dorta, A. Díaz-Marrero, M. Cueto, L. D'croz, J. Maté, J. Darias
- ChemistryOrganic Letters
- 22 May 2004
An unprecedented biogenetically interesting bicyclic prostanoid 1, carijenone, has been isolated from the eastern Pacific octocoral Carijoa multiflora and its structure and stereochemistry were determined on the basis of spectral studies and molecular mechanics calculations.
Pronuciferine N-oxide, a proaporphine N-oxide alkaloid from Berberis coletioides.
Compound 1 is the first naturally occurring proaporphine N-methyl-N-oxide alkaloid with an N-oxide functionality, and was determined by spectroscopic evidence.
Avinosol, a meroterpenoid-nucleoside conjugate with antiinvasion activity isolated from the marine sponge Dysidea sp.
Avinosol (1), which is apparently the first example of a naturally occurring meroterpenoid-nucleoside conjugate, showed antiinvasion activity in a cell-based assay.