Results 111 to 120 of about 6,787 (215)

On the Xanthones of Swertia bimaculata

YAKUGAKU ZASSHI, 1971
H, Inouye, S, Ueda, M, Inada, M, Tsujii
openaire   +3 more sources

Determinação da constante de velocidade absoluta para a reação de abstração de hidrogênio fenólico pelo estado excitado triplete de xantona em acetonitrila e no líquido iônico hexafluorfosfato de 1-butil-3-metil-imidazólio [bmim.PF6] Determination of absolute rate constant for the phenolic hydrogen abstraction reaction by the triplet excited state of xanthone in acetonitrile and in ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate [bmim.PF6]

Química Nova, 2013
The triplet excited state of xanthone was generated and characterized by laser flash photolysis in acetonitrile (λmax=620 nm; t=1.8 ms) and in ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate [bmim.PF6] (λmax=620 nm; t=3.0 ms).
Ada Ruth Bertoti, José Carlos Netto-Ferreira   +1 more
doaj  

Pengaruh Jenis Solven Terhadap Pemisahan Xanthone Dan Coumarin Pada Crude Ekstrak Daun Nyamplung (Calophyllum Inophyllum) [PDF]

, 2017
Tanaman Nyamplung (Calophyllum inophyllum) memiliki berbagai manfaat yang dapat dimanfaatkan mulai dari akar, batang, daun, hingga biji. Daun nyamplung mengandung banyak komponen bioaktif diantaranya xanthone dan coumarin yang bermanfaat sebagai ...
Borhet, Agustina, Lutfiani, Zulfira Tri
core  

Molecular Engineering of Sulfone-Xanthone Chromophore for Enhanced Fluorescence Navigation

Enriching the palette of high-performance fluorescent dyes is vital to support the frontier of biomedical imaging. Although various rhodamine skeletons remain the premier type of small-molecule fluorophores due to the apparent high brightness and ...
Xiao-Qi Yu (210227), Yan-Zhao Liu (15369489), Hong Zhang (25820), Fei-Fan Xiang (15369498), Shan-Yong Chen (1734583), Ding-Heng Zhou (15369492), Yan-Hong Liu (2624209), Yu-Jin Chen (1966537), Kun Li (277035)   +8 more
core   +1 more source

Structure-Based Drug Design Targeting Topoisomerase II Alpha: Discovery of Potential Antitumor Xanthone Derivatives. [PDF]

Molecules
Le TTH, Nguyen TNH, Pham MQ, Tran TTT, Dinh TT, Tran THV, Tran VL, Pham QL.   +7 more
europepmc   +1 more source

Lead Optimization of Xanthone Derivatives as Hepatitis B Virus cccDNA Reducers: Design, Synthesis, and Bioevaluation. [PDF]

ACS Med Chem Lett
Guo L, Chen X, Liu X, Liu N, Sun K, Hong H, Zhao D.   +6 more
europepmc   +1 more source

Xanthone Studies. IV. Hydroxyl Proton Chemical Shifts in the Structural Investigation of Xanthones. [PDF]

Acta Chemica Scandinavica, 1972
P, Arends, P, Helboe
openaire   +2 more sources

Jacareubin Derivatives Increase Their Anti-Allergic Activity. [PDF]

Molecules
Tavera-Hernández R, Pérez-Rodríguez J, Nieto-Camacho A, Medina-Campos ON, Pedraza-Chaverri J, León F, González-Espinosa C, Jiménez-Estrada M, Reyes-Chilpa R, Castillo-Arellano JI.   +9 more
europepmc   +1 more source

Synthesis of new xanthone derivatives

, 2005
Xanthones are a class of heterocyclic compounds widely distributed in the plant kingdom (1). Since a long time ago, compounds with the xanthone core are of great interest for chemists, biologists and pharmacologists due to their potencial biological ...
Cavaleiro, José, Santos, Clementina M.M., Silva, Artur   +2 more
core  

Overcoming the Barrier to Intermolecular Alkoxy Radical Reactivity: Proton-Coupled Electron Transfer-Mediated Alkene Hydroetherification. [PDF]

J Am Chem Soc
Delgutte LC, Hua Y, Lee J, Lugo AN, Iyengar AR, Kim DE.   +5 more
europepmc   +1 more source