Isolation of Antipodal (−)-Versicolamide B and Notoamides L−N from a Marine-Derived Aspergillus sp.
- 26 February 2009
- journal article
- letter
- Published by American Chemical Society (ACS) in Organic Letters
- Vol. 11 (6), 1297-1300
- https://doi.org/10.1021/ol900071c
Abstract
Antipodal (−)-versicolamide B and notoamides L−N were isolated from a marine-derived Aspergillus sp. The possible biosynthetic pathway of enantiomeric pairs of notoamide B and versicolamide B are proposed. Notoamide L is the first metabolite containing 25 carbons in the related prenylated indole alkaloids. Notoamide M is potentially a precursor to the proposed azadiene species involved in the putative intramolecular Diels−Alder reaction in the biogenesis of the bicyclo[2.2.2]diazaoctane ring system.Keywords
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