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Two new benzophenone derivatives (1 and 2), named Pogonatone C and pogonatone D, were isolated from the moss Pogonatum spinulosum. Their structures were elucidated by spectroscopic data analyses. The cytotoxicity of compounds for HepG2, HCT-116, A-549 and PANC-1 cells line was also evaluated by using the MTT method. Pogonatone C (1) displays high cytotoxicity on PANC-1 cell with IC50 value of 9.2 μM. [ABSTRACT FROM AUTHOR]

Two new benzophenones (1 and 2), were isolated from the endohydric moss Polytrichum commune. Their structures were elucidated by spectroscopic methods including extensive 2 D NMR techniques. Compound 2 is the first example of benzophenone with a rare cyclopropylacetamide from the natural resources. Compounds 1 and 2 were screened their cytotoxicity against five cancer cell lines (HCT-116, A-549, MCF-7, HepG2, A-375,), and no cytotoxic activities were observed (IC50 > 100 μM). [ABSTRACT FROM AUTHOR]