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Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Dibromopyrrole alkaloids from the marine sponge acanthostylotella sp

Ebada, Sherif S. and Edrada-Ebel, RuAngelie and de Voogd, N.J. and Wray, V. and Proksch, Peter (2009) Dibromopyrrole alkaloids from the marine sponge acanthostylotella sp. Natural Product Communications, 4 (1). pp. 47-52. ISSN 1934-578X

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Abstract

Fourteen dibromopyrrole alkaloids were isolated from the marine sponge Acanthostylotella sp. collected in Indonesia. In addition to the known compounds 4,5-dibromo-N-(methoxy-methyl)-1H-pyrrole-2-carboxamide (7), 4,5-dibromo-1H-pyrrole-2-carboxamide (8), mukanadin D (9), (+/-)-longamide B methyl ester (10), (+/-)-longamide B (11), (+/-)-longamide (12), 3,4-dibromo-lH-pyrrole-2-carboxamide (13), 2-cyano-4,5-dibromo-1H-pyrrole (14), six compounds were isolated that proved to be new natural products including acanthamides A-D (1-4), methyl 3,4-dibromo-1H-pyrrole-2-carboxylate (5) and 3,5-dibromo-1H-pyrrole-2-carboxylic acid (6). The structures of the new compounds were unequivocally identified based on one and two dimensional NMR and on HRFTMS as well as by comparison with the literature.