Results 91 to 100 of about 8,136 (224)

Synthesis and anti-norovirus activity of pyranobenzopyrone compounds [PDF]

, 2012
During the last decade, noroviruses have gained media attention as the cause of large scale outbreaks of gastroenteritis on cruise ships, dormitories, nursing homes, etc.
Chang, Kyeong-Ok, Hua, Duy H., Kim, Yunjeong, Lu, Jianyu, Nguyen, Thi D.T., Pokhrel, Laxman, Prior, Allan M.   +6 more
core   +1 more source

Verrucisidinol and Verrucosidinol Acetate, Two Pyrone-Type Polyketides Isolated from a Marine Derived Fungus, Penicillium aurantiogriseum

Marine Drugs, 2010
The new secondary metabolites verrucosidinol (1) and its derivative verrucosidinol acetate (2), together with a potent neurotoxin verrucosidin (3), a congener norverrucosidin (4) and a mixture of two known phytotoxic metabolites terrestric acids (5 and 6)
Huanqin Dai, Lixin Zhang, Fuhang Song, Jinsheng Sun, Caixia Chen, Junli Wei, Biao Ren, Ke Yu   +7 more
doaj   +1 more source

Evaluating the cancer therapeutic potential of cardiac glycosides [PDF]

, 2014
Cardiac glycosides, also known as cardiotonic steroids, are a group of natural products that share a steroid-like structure with an unsaturated lactone ring and the ability to induce cardiotonic effects mediated by a selective inhibition of the Na(+)/K(+)
Burgos Morón, Estefanía, Calderón Montaño, José Manuel, García Domínguez, Irene, López Lázaro, Miguel, Maldonado Navas, Dolores, Orta Vázquez, Manuel Luis   +5 more
core   +3 more sources

Gombapyrones E and F, New α-Pyrone Polyenes Produced by Streptomyces sp. KMC-002

Molecules, 2011
Microorganism-derived polyene polyketides have been shown to display a variety of biological activities and have attracted great interest due to their structurally intriguing chemical diversity.
Kang Ro Lee, Hak Cheol Kwon, Hyun Ok Yang, Hyun Bong Park   +3 more
doaj   +1 more source

Reshaping the 2-Pyrone Synthase Active Site for Chemoselective Biosynthesis of Polyketides. [PDF]

Angew Chem Int Ed Engl, 2023
Zhou Y, Mirts EN, Yook S, Waugh M, Martini R, Jin YS, Lu Y.   +6 more
europepmc   +1 more source

Tris(pentafluorophenyl)borane and beyond: modern advances in borylation chemistry [PDF]

, 2017
As main-group chemistry, in particular boron chemistry, has expanded and developed over the past 20 years, one reagent has risen to prominence as well.
James R. Lawson, Massey A. G., Rebecca L. Melen, Wrackmeyer B.   +3 more
core   +2 more sources

Preparative Separation of Main Ustilaginoidins from Rice False Smut Balls by High-Speed Counter-Current Chromatography

Toxins, 2016
Ustilaginoidins are bis-naphtho-γ-pyrone mycotoxins isolated from the rice false smut balls (FSBs) infected by the pathogen Villosiclava virens in rice spikelets on panicles.
Weibo Sun, Xuejiao Dong, Dan Xu, Jiajia Meng, Xiaoxiang Fu, Xiaohan Wang, Daowan Lai, Ligang Zhou, Yang Liu   +8 more
doaj   +1 more source

Design, Synthesis, and Characterization of Novel Phosphorescent Iridium Complexes with Pyrone Auxiliary Ligands and ppy/dfppy/piq Cyclometalating Ligands

Inorganics
To develop high-performance iridium phosphorescent complexes, we designed and synthesized a series of iridium phosphorescent complexes (G-1, G-2, B-1, B-2, R-1, R-2) using 3-hydroxy-2-methyl-4-pyrone (maltol, short for mal) and 3-hydroxy-2-ethyl-4-pyrone
Wen Jiang, Leyuan Wang, Xiangguang Li, Caixian Yan, Qiaowen Chang   +4 more
doaj   +1 more source

Pericocins A–D, New Bioactive Compounds from sp

Natural Product Communications, 2015
One new dihydroisocoumarin, pericocin A (1) , one new chromone, pericocin B (2) , and two new α-pyrone derivatives, pericocins C-D (3–4) , together with two known compounds, 3-(2-oxo-2 H -pyran-6-yl)propanoic acid (5) and ( E )-3-(2-oxo-2 H -pyran-6-yl ...
Yue-Hua Wu, Gao-Keng Xiao, Guo-Dong Chen, Chuan-Xi Wang, Dan Hu, Yun-Yang Lian, Feng Lin, Liang-Dong Guo, Xin-Sheng Yao, Hao Gao   +9 more
doaj   +1 more source

Multi-step biosynthesis of the biodegradable polyester monomer 2-pyrone-4,6-dicarboxylic acid from glucose. [PDF]

Biotechnol Biofuels Bioprod, 2023
Zhou D, Wu F, Peng Y, Qazi MA, Li R, Wang Y, Wang Q.   +6 more
europepmc   +1 more source