4.4 Article

Spironaamidine, a new spiroquinone-containing alkaloid from the marine sponge Leucetta microraphis

Journal

TETRAHEDRON LETTERS
Volume 52, Issue 41, Pages 5342-5344

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.08.026

Keywords

Spiroquinone; Alkaloid; Leucetta microraphis; Marine sponge

Funding

  1. Ministry of Education, Culture, Sports, Science and Technology of Japan [22310138, 22406001]
  2. Grants-in-Aid for Scientific Research [22310138, 22406001] Funding Source: KAKEN

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Spironaamidine (1), a unique spiroquinone-containing alkaloid, was isolated from the marine sponge, Leucetta microraphis, along with two known imidazole alkaloids, naamidine H (2) and (9E)-clathridine 9-N-(2-sulfoethyl)imine (3). Spironaamidine (1) showed antimicrobial activity against Bacillus cereus. (C) 2011 Elsevier Ltd. All rights reserved.

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