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Isolation and Structure of Pseurotin A, a Microbial Metabolite of Pseudeurotium ovalis S TOLK with an Unusual Heterospirocyclic System
Author(s) -
Bloch Peter,
Tamm Christoph
Publication year - 1981
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19810640131
Subject(s) - chemistry , metabolite , stereochemistry , isolation (microbiology) , absolute configuration , microbiology and biotechnology , biochemistry , biology
The structure and absolute configuration of pseurotin A, a new metabolite, isolated from culture filtrates of Pseudeurotium ovalis S TOLK (Ascomycetes) has been shown to be (1′ S , 2′ S , 5 S , 8 S , 9 R , 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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