Hualyzin, a Symmetrical Urea Derivative Isolated from Penicillium herquei Isolate GA4

Journal of Natural Products
2008.0

Abstract

Penicillium herquei isolate GA4 was isolated from the infected Conchocelis of Porphyra yezoensis. A large-scale fermentation using yeast extract sucrose medium and repeated chromatography afforded a new symmetrical urea derivative, hualyzin (1). The structure was determined by detailed NMR spectroscopic investigations and MS fragmentation analysis.

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