Some metabolites of the marine sponges Smenospongia aurea and Smenospongia (. ident. Polyfibrospongia) echina

P Djura, DB Stierle, B Sullivan…

Index: Djura; Stierle; Sullivan; et al. Journal of Organic Chemistry, 1980 , vol. 45, # 8 p. 1435 - 1441

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Citation Number: 163

Abstract

39.1 18.5 41.0 33.1 56.0 19.7 41.8 76.9 52.0 36.7 33.3 21.5 14.7 22.4 20.6 123.2 148.7 117.3 114.4 146.6 116.0 position of the bromine atom at C-5 was determined by comparison of the aromatic proton signals in the'Hnmr spectrum of 4 at 6 7.13 (d, 1 H, J= 7 Hz), 7.25 (d, 1 H, J= 7 Hz), and 7.70 (s, 1 H) with those of 5-bromoindole-3-carboxaldehyde at 6 7.37 (d, 1 H, J= 7 Hz), 7.51 (d, 1 H, J= 7 Hz), and 8.23 (s, 1 H) and 6-bromoindole-3-carboxaldehyde ...