Nat Prod Sci.  2015 Dec;21(4):248-250. 10.20307/nps.2015.21.4.248.

Violapyrone J, alpha-Pyrone Derivative from a Marine-derived Actinomycetes, Streptomyces sp.

• Leutou AS
• Yang I
• Seong CN
• Ko J
• Nam SJ

• KMID: 2312904
• DOI: http://doi.org/10.20307/nps.2015.21.4.248

Abstract

A new alpha-pyrone derivative, violapyrone J (1), and along with the two known violapyrones B (2) and C (3) were isolated from the fermentation broth of a marine actinomycete Streptomyces sp. SC0718. The structure of violapyrone J (1) was elucidated from 1D and 2D NMR spectroscopic analyses.

Keyword

alpha-Pyrone; Violapyrone; Marine actinomycetes; Streptomyces sp.

MeSH Terms

Actinobacteria*
Fermentation
Streptomyces*

Figure

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  Fig. 1. The structures of violapyrones J (1), B (2) and C (3).

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  Fig. 2. Key HMBC and COSY correlations of violapyrone J (1) in CD3 OD.

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