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Penigrisacids A-D, Four New Sesquiterpenes from the Deep-Sea-Derived Penicillium griseofulvum.

ABSTRACT: Four new (penigrisacids A-D, 1-4) and one known (5) carotane sesquiterpenoids were isolated from the deep-sea-derived fungus Penicillium griseofulvum, along with four known compounds (6-9). The planar structures and relative configurations of the new compounds were determined by extensive analysis of the NMR and HRESIMS data. The absolute configurations were established by comparison of the experimental and calculated ECD (electronic circular dichroism) spectra or OR (optical rotation) value. Compound 9 exhibited potent anti-food allergic activity with IC₅₀ value of 28.7 ?M, while 4 showed weak cytotoxicity against ECA-109 tumor cells (IC₅₀ = 28.7 ?M).

SUBMITTER: Xing CP

PROVIDER: S-EPMC6780263 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature

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Penigrisacids A-D, Four New Sesquiterpenes from the Deep-Sea-Derived Penicillium griseofulvum.

Xing Cui-Ping CP Xie Chun-Lan CL Xia Jin-Mei JM Liu Qing-Mei QM Lin Wei-Xiang WX Ye De-Zan DZ Liu Guang-Ming GM Yang Xian-Wen XW

Marine drugs 20190829 9

Four new (penigrisacids A-D, 1-4) and one known (5) carotane sesquiterpenoids were isolated from the deep-sea-derived fungus Penicillium griseofulvum, along with four known compounds (6-9). The planar structures and relative configurations of the new compounds were determined by extensive analysis of the NMR and HRESIMS data. The absolute configurations were established by comparison of the experimental and calculated ECD (electronic circular dichroism) ...[more]

PMID: 31470535

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