Neocosmospora sp.-Derived Resorcylic Acid Lactones with in Vitro Binding Affinity for Human Opioid and Cannabinoid Receptors
Journal of Natural Products2013Vol. 76(5), pp. 824–828
Citations Over TimeTop 10% of 2013 papers
Jiangtao Gao, Mohamed M. Radwan, Francisco León, Olivia R. Dale, Afeef S. Husni, Yunshan Wu, S. L. Lupien, Xiao‐Ning Wang, Susan P. Manly, Robert A. Hill, Frank M. Dugan, Horace G. Cutler, Stephen J. Cutler
Abstract
Bioassay-guided fractionation of a fungus Neocosmospora sp. (UM-031509) resulted in the isolation of three new resorcylic acid lactones, neocosmosin A (2), neocosmosin B (3), and neocosmosin C (4). Three known resorcylic acid lactones, monocillin IV (1), monocillin II (5), and radicicol (6), were also isolated and identified. The structures of these compounds were established on the basis of extensive 1D and 2D NMR spectroscopic analysis, mass spectrometric (ESIMS) data, and X-ray crystallography. Compounds 4-6 show good binding affinity for the human opioid receptors. These findings have important implications for evaluating the potential psychoactive effects with this class of compounds.
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