Results 11 to 20 of about 3,594 (226)

Unique Phenanthrenes from Juncus ensifolius and Their Antiproliferative and Synergistic Effects with the Conventional Anticancer Agent Doxorubicin against Human Cancer Cell Lines

Pharmaceutics, 2022
Phenanthrenes are the main special metabolites of Juncaceae species from phytochemical, pharmacological, and chemotaxonomical points of view. The present study focused on the isolation, structure determination, and pharmacological investigation of ...
Dóra Stefkó, Norbert Kúsz, Nikoletta Szemerédi, Anita Barta, Gabriella Spengler, Róbert Berkecz, Judit Hohmann, Andrea Vasas   +7 more
doaj   +2 more sources

Synthesis and mutagenicity of some cyclopenta[c]phenanthrenes and indeno[c]phenanthrenes. [PDF]

Carcinogenesis, 1996
An efficient two-step synthesis of 8(H)-9,10,11,12-tetrahydrodicyclopenta[a, c]phenanthren-7-one, based on the high pressure Diels-Alder cycloaddition of 4-acetoxy-2-cyclopenten-1-one with 1-(1-naphthyl)cyclopentene and a subsequent dehydrogenation ...
MARROCCHI, Assunta, TATICCHI A., MOROZZI, Guido, MINUTI, Lucio, PAMPANELLA L   +4 more
core   +4 more sources

Synthesis of Phenanthrenes and Polycyclic Heteroarenes by Transition-Metal Catalyzed Cycloisomerization Reactions

Chemistry - A European Journal, 2004
Readily available biphenyl derivatives containing an alkyne unit at one of their ortho-positions are converted into substituted phenanthrenes on exposure to catalytic amounts of either PtCl2, AuCl, AuCl3, GaCl3 or InCl3 in toluene.
VÍCTOR Mamane, Alois Furstner
exaly   +2 more sources

Radical cyclisations to arenes for the synthesis of phenanthrenes

Tetrahedron Letters, 2002
6-exo/endo-Trig intramolecular additions of aryl radicals to electron-rich, unsubstituted and electron-deficient arenes have all been shown to proceed efficiently to give the corresponding phenanthrenes in high ...
David C Harrowven, Michael I T Nunn, David R Fenwick   +2 more
exaly   +2 more sources

Continuous flow photocyclization of stilbenes – scalable synthesis of functionalized phenanthrenes and helicenes

Beilstein Journal of Organic Chemistry, 2013
A continuous flow oxidative photocyclization of stilbene derivatives has been developed which allows the scalable synthesis of backbone functionalized phenanthrenes and helicenes of various sizes in good yields.
Quentin Lefebvre, Marc Jentsch, Magnus Rueping   +2 more
doaj   +2 more sources

Differential degradation of petroleum hydrocarbons by Shewanella putrefaciens under aerobic and anaerobic conditions [PDF]

Frontiers in Microbiology
The complexity of crude oil composition, combined with the fluctuating oxygen level in contaminated environments, poses challenges for the bioremediation of oil pollutants, because of compound-specific microbial degradation of petroleum hydrocarbons ...
Yang Li, Yang Li, Yuan Liu, Yuan Liu, Dongyi Guo, Hailiang Dong, Hailiang Dong   +6 more
doaj   +2 more sources

Synthesis of Novel Substituted Phenanthrenes and Polycyclic Heteroarenes by Pd‐Catalyzed, Direct, Intramolecular Arylation/Heteroarylation

European Journal of Organic Chemistry, 2010
A novel route to substituted phenanthrenes and polycyclic heteroarenes by direct, Pd-catalyzed, intramolecular arylation/heteroarylation of 2-(2-bromoaryl/heteroaryl)-3-(aryl/heteroaryl)-3-(methylthio)acrylonitriles has been ...
Ashok Kumar Yadav, Hiriyakkanavar Ila, Hiriyakkanavar Junjappa   +2 more
exaly   +2 more sources

Recent Research Progress on Natural Stilbenes in Dendrobium Species

Molecules, 2022
Dendrobium is the second biggest genus in the Orchidaceae family, and many of them have been utilized as a traditional Chinese medicine (TCM) for thousands of years in China.
Denghui Zhai, Xiaofa Lv, Jingmei Chen, Minwen Peng, Jinyan Cai   +4 more
doaj   +1 more source

Phytochemical Constituents and Pharmacological Potential of Tamus communis Rhizomes

Molecules, 2022
Tamus communis L. is a plant distributed in a number of geographical areas whose rhizome has been used for centuries as an anti-inflammatory and analgesic remedy.
Iva Slavova, Teodora Tomova, Slavena Kusovska, Yoana Chukova, Mariana Argirova   +4 more
doaj   +1 more source

Antiproliferative and Proapoptotic Effects of Phenanthrene Derivatives Isolated from Bletilla striata on A549 Lung Cancer Cells

Molecules, 2022
Lung cancer continues to be the world’s leading cause of cancer death and the treatment of non-small cell lung cancer (NSCLC) has attracted much attention.
Fei Zhou, Rui Feng, Ou Dai, Lian Yang, Yu Liu, Yun-Cai Tian, Cheng Peng, Liang Xiong   +7 more
doaj   +1 more source