Two new imidazole alkaloids from Leucetta chagosensis sponge

Saudi Pharmaceutical Journal

Volumn 17, Issue 4, 2009, Pages 295-298

  Hassan, Wafaa H B ^a   Al Taweel, Areej M ^a   Proksch, Peter ^b  

^a KING SAUD UNIVERSITY   (Saudi Arabia)

^b HEINRICH HEINE UNIVERSITY   (Germany)

Author keywords

Imidazole alkaloids; Leucetta chagosensis; Methyldorimidazole; Preclathridine B

Indexed keywords

ALKALOID DERIVATIVE; IMIDAZOLE DERIVATIVE; LEUCETTAMINE; METHYLDORIMIDAZOLE; NAAMINE; PRECLATHRIDINE; UNCLASSIFIED DRUG;

ARTICLE; CONTROLLED STUDY; DRUG STRUCTURE; LEUCETTA CHAGOSENSIS; MASS SPECTROMETRY; PROTON NUCLEAR MAGNETIC RESONANCE; SPECTROSCOPY; SPONGE (PORIFERA);

EID: 74049158150     PISSN: 13190164     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jsps.2009.10.006     Document Type: Article

References (20)

1. Akee R.K., Carroll T.R., Yoshida W.Y., Scheuer P.J., Stout T.J., and Clardy J. Two imidazole alkaloids from the marine sponge. J. Org. Chem. 55 (1990) 1944-1946
2. Alvi K.A., and Crews P. Structures and total synthesis of 2-aminoimidazole Notodoris nudibranchs. J. Nat. Prod. 54 (1991) 1509-1515
3. Alvi K.A., Peters B.M., Hunter L.M., and Crews P. 2-amino imidazole alkaloids and their zinc complexes from indo-pacific Leucetta sponges and Notodoris nudibranchs. Tetrahedron 49 (1993) 329-336
4. Carmely S., and Kashman Y. Naamines and naamidines, novel imidazole alkaloid from the calcareous sponge Leucetta chagosensis. Tetrahedron Lett. 28 (1987) 3003-3006
5. Carmely S., Ilan M., and Kashman Y. 2-Amino imidazole alkaloids from the marine sponge Leucetta chagosensis. Tetrahedron 45 (1989) 2193-2200
6. Carroll A.R., Bowden B.F., and Coll J.C. New imidazole alkaloids from the sponge Leucetta sp. Aust. J. Chem. 46 (1993) 1229-1234
7. Crews P., Clark D.P., and Tenny K.J. Variation in the alkaloids among indo-pacific Leucetta sponges. J. Nat. Prod. 66 (2003) 177-182
8. Dunbar D.C., Rimoldi J.M., Clark A.M., Kelly M., and Hamann M.T. Anti-cryptococcal and nitric oxide synthase inhibitory imidazole alkaloids from the Calcareous sponge Leucetta cF chagosensin. Tetrahedron 56 (2000) 8795-8798
9. Edrada R.A., Stessman C.C., and Crews P. Uniquely modified imidazole alkaloids from the Calcareous Leucetta sponge. J. Nat. Prod. 66 (2003) 939-942
10. Fu S., Barnes J., Do T., and Schmitz F. Naamines and naamidines, new imidazole alkaloids from the sponge Leucetta chagosensin. J. Nat. Prod. 60 (1997) 497-498
11. Gross H., Kehraus S., Konig G.M., Woerheide G., and Wright A.D. New and biologically active imidazole alkaloids from two sponges of the genus Leucetta. J. Nat. Prod. 65 (2002) 1190-1193
12. Hassan W., Edrada R., Ebel R., Wray V., Berg A., Van Soest R., Wiryowidagdo S., and Proksch P. New imidazole alkaloids from the Indonesian sponge Leucetta chagosensis. J. Nat. Prod. 67 (2004) 817-822
13. He H.Y., Faulkner D.J., Lee A.Y., and Clardy J. A new imidazole alkaloid from the marine sponge Leucetta microraphis. J. Org. Chem. 57 (1992) 2176-2178
14. Kehraus S., König G.M., Wright A.D., and Woerheide G. Leucamide A: a new cytotoxic heptapeptide from the Australian sponge Leucetta microraphis. J. Org. Chem. 67 (2002) 4989-4992
15. Mancini I., Guella G., Debitus C., and Pitera F. Novel type alkaloids and mixed ligand zinc (11) complexes from a calcareous sponge, Leucetta sp., of the coral sea. Helv. Chem. Acta 78 (1995) 1178-1184
16. Plubrukarn A., Smith D.W., Cramer R.E., and Davidson B.S. (2E, 9E)-Pyronamidine 9-(N-methylimine), a new imidazole alkaloid from the northern Mariana islands sponge Leucetta sp. cf. Chagosensis. J. Nat. Prod. 60 (1997) 712-715
17. Ralifo P., Tenney K., Valeriote F.A., and Crews P. A distinctive structural twist in the aminoimidazole alkaloids from a Calcareous marine sponge: Isolation and characterization of Leucosolenamines A and B. J. Nat. Prod. 70 (2007) 33-38
18. Tsukamoto S., Kawabata T., Kato H., Ohta T., Rotinsulu H., Mangindaan R.E., Van Soest R.W., Ukai K., Kobayashi H., and Namikoshi M. Naamidines H and I, cytotoxic imidazole alkaloids from the Indonesian marine sponge Leucetta chagosensis. J. Nat. Prod. 70 (2007) 1658-1660
19. Tsukamoto S., Takeuchi T., Rotinsulu H., Mangindaan R.E., van Soest R.W., Ukai K., Kobayashi H., Namikoshi M., Ohta T., and Yokosawa H. Leucettamol A: a new inhibitor of Ubc13-Uev1A interaction isolated from a marine sponge, Leucetta aff. Microrhaphis 18 (2008) 6319-6320
20. Watanabe K., Tsuda Y., Iwashima M., and Iguchi K. A new bioactive triene aldehyde from the marine sponge Leucetta microraphis. J. Nat. Prod. 63 (2000) 258-260