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Special Issue "Marine Alkaloids"

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A special issue of Marine Drugs (ISSN 1660-3397).

Deadline for manuscript submissions: closed (15 September 2010)

Special Issue Editor

Guest Editor
Prof. Dr. Mercedes Álvarez (Website)

Institute for Research in Biomedicine (IRB Barcelona), Parc Científic de Barcelona, Baldiri Reixac 10, 08028 Barcelona, Spain
Fax: +34 93 403 71 26
Interests: marine natural products; bioactive natural products; alkaloids; synthesis; heterocycles

Special Issue Information

Dear Colleagues,

During the last thirty years an important number of secondary methabolites whith poliheterocyclic structure have been isolated from marine sources. This special issue will focus on the chemistry of marine alkaloids from diverse marine sources ranging from sponges, soft corals, tunicates, and other marine invertebrates. Yondelis® (trabectedin) is an antitumour agent of marine origin discovered in the colonial tunicate Ecteinascidia turbinate. It received marketing authorisation from the European Commission for the treatment of several cancer illness. It is currently produced by chemical synthesis. Yondelis® has a unique action mechanism. It binds to the minor groove of the DNA and interferes with cell division and the gene transcription processes and repair machinery of the DNA. The Issue entitled Marine Alkaloids will cover aspects as isolation, characterization, structure determination, activity, total synthesis, and mechanism of action of that family of compounds.

Prof. Dr. Mercedes Álvarez
Guest Editor

Keywords

  • marine alkaloid
  • isolation
  • activity
  • synthesis
  • heterocycles
  • bio-analogs

Published Papers (4 papers)

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Research

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Open AccessArticle Synthesis of 1-Substituted Carbazolyl-1,2,3,4-tetrahydro- and Carbazolyl-3,4-dihydro-β-carboline Analogs as Potential Antitumor Agents
Mar. Drugs 2011, 9(2), 256-277; doi:10.3390/md9020256
Received: 30 December 2010 / Revised: 31 January 2011 / Accepted: 7 February 2011 / Published: 10 February 2011
Cited by 13 | PDF Full-text (601 KB) | HTML Full-text | XML Full-text
Abstract
A series of 1-substituted carbazolyl-1,2,3,4-tetrahydro- and carbazolyl-3,4-dihydro-b-carboline analogs have been synthesized and evaluated for antitumor activity against human tumor cells including KB, DLD, NCI-H661, Hepa, and HepG2/A2 cell lines. Among these, compounds 2, 6, 7, and 9 exhibited the [...] Read more.
A series of 1-substituted carbazolyl-1,2,3,4-tetrahydro- and carbazolyl-3,4-dihydro-b-carboline analogs have been synthesized and evaluated for antitumor activity against human tumor cells including KB, DLD, NCI-H661, Hepa, and HepG2/A2 cell lines. Among these, compounds 2, 6, 7, and 9 exhibited the most potent and selective activity against the tested tumor cells. As for inhibition of topoisomerase II, compounds 114 and 18 showed better activity than etoposide. Among them, compounds 3, 4, 7, 9, and 10 exhibited potent activity. The structure and activity relationship (SAR) study revealed correlation between carbon numbers of the side chain and biological activities. The molecular complex with DNA for compound 2 was proposed. Full article
(This article belongs to the Special Issue Marine Alkaloids)
Open AccessArticle Evaluation of Pyridoacridine Alkaloids in a Zebrafish Phenotypic Assay
Mar. Drugs 2010, 8(6), 1769-1778; doi:10.3390/md8061769
Received: 28 April 2010 / Revised: 20 May 2010 / Accepted: 25 May 2010 / Published: 2 June 2010
Cited by 8 | PDF Full-text (190 KB) | HTML Full-text | XML Full-text
Abstract
Three new minor components, the pyridoacridine alkaloids 1-hydroxy-deoxyamphimedine (1), 3-hydroxy-deoxyamphimedine (2), debromopetrosamine (3), and three known compounds, amphimedine (4), neoamphimedine (5) and deoxyamphimedine (6), have been isolated from the sponge [...] Read more.
Three new minor components, the pyridoacridine alkaloids 1-hydroxy-deoxyamphimedine (1), 3-hydroxy-deoxyamphimedine (2), debromopetrosamine (3), and three known compounds, amphimedine (4), neoamphimedine (5) and deoxyamphimedine (6), have been isolated from the sponge Xestospongia cf. carbonaria, collected in Palau. Structures were assigned on the basis of extensive 1D and 2D NMR studies as well as analysis by HRESIMS. Compounds 16 were evaluated in a zebrafish phenotype-based assay. Amphimedine (4) was the only compound that caused a phenotype in zebrafish embryos at 30 µM. No phenotype other than death was observed for compounds 13, 5, 6. Full article
(This article belongs to the Special Issue Marine Alkaloids)

Review

Jump to: Research

Open AccessReview Recent N-Atom Containing Compounds from Indo-Pacific Invertebrates
Mar. Drugs 2010, 8(11), 2810-2836; doi:10.3390/md8112810
Received: 19 September 2010 / Revised: 3 November 2010 / Accepted: 8 November 2010 / Published: 10 November 2010
Cited by 6 | PDF Full-text (1705 KB) | HTML Full-text | XML Full-text
Abstract
A large variety of unique N-atom containing compounds (alkaloids) without terrestrial counterparts, have been isolated from marine invertebrates, mainly sponges and ascidians. Many of these compounds display interesting biological activities. In this report we present studies on nitrogenous compounds, isolated by [...] Read more.
A large variety of unique N-atom containing compounds (alkaloids) without terrestrial counterparts, have been isolated from marine invertebrates, mainly sponges and ascidians. Many of these compounds display interesting biological activities. In this report we present studies on nitrogenous compounds, isolated by our group during the last few years, from Indo-Pacific sponges, one ascidian and one gorgonian. The major part of the review deals with metabolites from the Madagascar sponge Fascaplysinopsis sp., namely, four groups of secondary metabolites, the salarins, tulearins, taumycins and tausalarins. Full article
(This article belongs to the Special Issue Marine Alkaloids)
Open AccessReview Thiazole and Oxazole Alkaloids: Isolation and Synthesis
Mar. Drugs 2010, 8(11), 2755-2780; doi:10.3390/md8112755
Received: 17 September 2010 / Revised: 27 October 2010 / Accepted: 4 November 2010 / Published: 5 November 2010
Cited by 44 | PDF Full-text (1332 KB) | HTML Full-text | XML Full-text
Abstract Thiazoles, oxazole and their corresponding reduced derivatives, thiazolines and oxazolines, are found in marine sources exhibiting significant biological activities. The isolation, synthetic, and biological studies of these natural products, covering literature from January 2007 to June 2010, are summarized. Full article
(This article belongs to the Special Issue Marine Alkaloids)

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