Results 1 to 10 of about 169 (88)
Antibiotics, 2022 Urinary tract infection (UTI) is one of the most common bacterial infections in the world, which is associated with high morbidity and mortality rates.
Ahmed M. E. Kotb +5 more
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Two new -Methoxy--Pyrones From the Mangrove Sediment-Derived SCSIO NS126
Natural Product Communications, 2021 Two new α -methoxy- γ -pyrone analogs, 2-methoxy-3-methyl-5,6-diethyl- γ -pyrone ( 2 ) and 2-methoxy-3,5-dimethyl-6-propyl- γ -pyrone ( 3 ), together with 2-methoxy-3,5-dimethyl-6-ethyl- γ -pyrone ( 1 ), firstly isolated from natural sources, were ...
Kunlong Li +6 more
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Natural Products and Bioprospecting, 2022 The development of highly facile synthetic procedures for the expedient synthesis of complex natural molecules is always in demand. As this aspect, the Diels–Alder reaction (DAR) has a versatile approach to the synthesis of complex natural compounds and ...
Aluru Rammohan +5 more
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New Antiproliferative Dibenzo-α-Pyrone From Whole Plants of
Natural Product Communications, 2021 A new compound, 1,3,7,9-tetrahydroxy-6 H -dibenzo[ b , d ]pyran-6-one ( 1 ), together with 6 known compounds ( 2 - 7 ), was isolated from the extract of whole plants of Centella asiatica .
Yi Liu, Wei Wang, Jian Miao
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Bioactive Alpha-Pyrone and Phenolic Glucosides from the Marine-Derived Metarhizium sp. P2100
Journal of Fungi, 2022 Glycoside compounds have attracted great interest due to their remarkable and multifarious bioactivities. In this study, four hitherto unknown 4-methoxy-β-D-glucosyl derivatives were obtained and identified from the marine-derived fungus Metarhizium sp ...
Zhong-Lian Ma +9 more
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ANALGESIC ACTIVITY OF SOME NEW SYNTHETIC DIBENZO-α-PYRONES DERIVATIVES
INTERNATIONAL JOURNAL OF RESEARCH IN AYURVEDA & PHARMACY, 2014 Following standard Hurtley reaction, by using 2 - Bromobenzoic acid, resorcinol and NaOH in the presence of CuSO 4 solution as a catalyst, a clay coloured solid of dibenzo - α - pyrone was prepared. This resulting solid of DBαP was then reacted with various amines respectively, formaldehyde and ethanol and refluxed for 1.5 h as per Mannich reaction ...
Shalini Sawhney +3 more
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Nocapyrones: α- and γ-Pyrones from a Marine-Derived Nocardiopsis sp.
Marine Drugs, 2014 One new α-pyrone (nocapyrone R (1)), and three known γ-pyrones (nocapyrones B, H and L (2–4)) were isolated from the culture extract of a Nocardiopsis strain collected from marine sediment.
Youngju Kim +7 more
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Marine Drugs, 2017 Intensive study of the organic extract of the marine-derived bacterium Saccharomonospora sp. CNQ-490 has yielded three new α-pyrones, saccharomonopyrones A–C (1–3).
Chae-Yoon Yim +12 more
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Frontiers in Chemistry, 2021 Inducible nitric oxide synthase (iNOS) produces NO from l-arginine and plays critical roles in inflammation and immune activation. Selective and potent iNOS inhibitors may be potentially used in many indications, such as rheumatoid arthritis, pain, and ...
Hong Pu +15 more
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A Concise Synthesis of Rhodanthpyrone A and B, Natural 4-(Hydroxyphenyl)-substituted α-Pyrones
Natural Product Communications, 2017 A concise synthesis of rhodanthpyrone A and B was accomplished via a Suzuki coupling reaction. To find the conditions appropriate to install hydroxyphenyl moieties to the α-pyrone skeleton, a model study was conducted using commercially available boronic
Young Taek Han
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