Two New Quinazoline Derivatives from the Moss Endophytic Fungus Aspergillus sp. and Their Anti-inflammatory Activity.

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Two New Quinazoline Derivatives from the Moss Endophytic Fungus Aspergillus sp. and Their Anti-inflammatory Activity.

Nat Prod Bioprospect. 2020 Nov 21;:

Authors: Wang NN, Liu CY, Wang T, Li YL, Xu K, Lou HX

Abstract
Two new quinazoline derivatives versicomides E (1) and F (2), and 10 known compounds (3-12) were isolated from the moss endophytic fungus Aspergillus sp. Their structures were determined on the basis of extensive spectroscopic data analysis and ECD calculations. Among them, the compound 7 (6-hydroxy-3-methoxyviridicatin) was first reported as a natural product. Inhibition on LPS-induced NO production in RAW 264.7 murine macrophages found that compounds 5, 7 and 8 showed significant inhibitory effects on NO production, with IC50 values of 49.85, 22.14 and 46.02 μM respectively.

PMID: 33219498 [PubMed – as supplied by publisher]

Source: Industry