Scytophycins

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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Details

549265, 549271, 549267, A61K 31365, C07D30312, C07D31308

Patent

active

048639559

ABSTRACT:
Scytophycins A, B, C, D and E, an aldehyde and alcohol derivative of scytophycin B and the specified alkanoyl and benzoyl esters of scytophycins A, B, C, D and E and the B derivatives (scytophycin compounds) are novel antineoplastic and antifungal agents. Antifungal compositions containing a scytophycin compound and methods of inhibiting fungi, especially plant pathogenic fungi, using these compositions are included. A method for producing the scytophycin complex, comprising scytophycins A, B, C, D and E, using a new strain of the blue-green alga Scytonema pseudohofmanni, and a biologically purified culture of the alga are also provided.

REFERENCES:
patent: 4342751 (1982-08-01), Moore et al.
Chemical Abstracts (1987) 106:153049e, Moore et al., "Scgtophycins Potent Cytotonic Macrolides from Glue-Green Algae".
M. Ishibashi et al., J. Org. Chem. (1986) 51, 5300-5306, "Scytophycins, Cytotoxic and Antimycotic Agents from the Cytcinophyte Scytonema Pseudshofmanni".
S. Carmely et al., "Structure of Swinholide-A, A New Macrolide from the Marine sponge Theonella Swinhoei", Tetrahedron Letters 1985, 511-514.
R. E. Moore in Marine Natural Products: Chemical and Biological Perspectives, P. J. Scheuer, ed., vol. IV, pp. 30-34, Academic Press, New York (1981).
R. E. Moore, "Toxins from Blue-Green Algae", BioScience 27 (12), 797-802.
R. E. Moore et al., "Toxins from Cyanophytes Belonging to the Scytonemataceae," Pure & Appl. Chem. 58 (2), 263-271 (1986).
J. A. Roesener et al., "Ulapualide A and B, Extraordinary Antitumor Macrolides from Nudibranch Eggmasses," J. Am. Chem. Soc. 1986, 108, 846-847.
S. Matsunaga et al., "Kabiramide C, a Novel Antifungal Macrolide from Nudibranch Eggmasses," J. Am. Chem. Soc. 1986, 108, 847-849.

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