KERAMAMIDE-E, KERAMAMIDE-G, KERAMAMIDE-H AND KERAMAMIDE-J, NEW CYCLIC-PEPTIDES CONTAINING AN OXAZOLE OR A THIAZOLE RING FROM A THEONELLA SPONGE

Authors
KOBAYASHI J ITAGAKI F SHIGEMORI H TAKAO T SHIMONISHI Y
Citation
J. Kobayashi et al., KERAMAMIDE-E, KERAMAMIDE-G, KERAMAMIDE-H AND KERAMAMIDE-J, NEW CYCLIC-PEPTIDES CONTAINING AN OXAZOLE OR A THIAZOLE RING FROM A THEONELLA SPONGE, Tetrahedron, 51(9), 1995, pp. 2525-2532
Citations number
13
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Tetrahedron → ACNP
ISSN journal
00404020
Volume
51
Issue
9
Year of publication
1995
Pages
2525 - 2532
Database
ISI
SICI code
0040-4020(1995)51:9<2525:KKKAKN>2.0.ZU;2-L
Abstract
Four new cyclic peptides, keraammides E(1), G(2), H(3), and J(4), cont aining an oxazole or a thiazole ring have been isolated From the Okina wan marine sponge Theonella sp, and the structures elucidated by 2D NM R data and degradation experiments. The sequence of amino acid residue s in 1 - 4 was determined on the basis of FAB MS/MS data.