Granulatimide and 6-bromogranulatimide, minor alkaloids of the Brazilian ascidian Didemnum granulatum. |
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| Authors: | R Britton J H de Oliveira R J Andersen R G Berlinck |
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| Institution: | Instituto de Química de S?o Carlos, Universidade de S?o Paulo, CP 780, CEP 13560-970, S?o Carlos, SP, Brazil. |
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| Abstract: | Reinvestigation of the extract of the ascidian Didemnum granulatum collected on the Brazilian coastline led to the isolation of two minor compounds, granulatimide (2) and 6-bromogranulatimide (3), which have been identified by analysis of their spectroscopic data. The isolation of 2 and 3 from D. granulatum corroborates previous assumptions about the occurrence of granulatimide as a natural product. |
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