Isolation and Structure of Pseurotin A,a Microbial Metabolite of Pseudeurotium ovalis STOLK with an Unusual Heterospirocyclic System |
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Authors: | Peter Bloch Christoph Tamm |
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Abstract: | The structure and absolute configuration of pseurotin A, a new metabolite, isolated from culture filtrates of Pseudeurotium ovalis STOLK (Ascomycetes) has been shown to be (1′S, 2′S, 5S, 8S, 9R, 3′Z)-8-benzoyl-2 (1′,2-dihydroxy-3′-hexenyl)-9-hydroxy-8-methoxy-3-methyl-1-oxa-7-azaspiro [4,4]non-2-ene-4,6-dione ( 1 ). |
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