Article ID Journal Published Year Pages File Type
5228679 Tetrahedron 2007 7 Pages PDF
Abstract

Three new spiculoic acids 1-3 and two members of a new closely related family of natural products named zyggomphic acids 4 and 5 were isolated from the very little studied marine sponge Plakortis zyggompha. Both families of compounds share a unique trans-hydrindan-2-one skeleton with six stereogenic centers. A total of 15 new metabolites were isolated from this sponge, all are of polyketide origin. The structures were elucidated using LC-MS, 1D, and 2D NMR methods. The absolute stereochemistry was determined by circular dichroism. The large number of close bioactive analogues allowed us to propose preliminary structure-activity relationships as antitumoral and antimycobaterial agents.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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