Results 161 to 170 of about 6,787 (215)

Investigation of Antioxidant, In Silico and In Vivo Antiulcer Activities of New Natural Xanthenone and Antracenone Isolated from <i>Tricholaena teneriffae</i> L. Roots. [PDF]

Molecules
Keskes H, Soltani S, Hamden K, Dib AA, Renault JH, Sanni M, Harrath AH, Allouche N, Salah HB.   +8 more
europepmc   +1 more source

Synthesis of Anhydro-dc-Tetracyclic Saxitoxin Via a Photoinduced Cycloaddition. [PDF]

JACS Au
Fang R, Jiao Y, Xia T, Liu J, Luo T.
europepmc   +1 more source

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Novel xanthones from Garcinia mangostana, structures of BR-xanthone-A and BR-xanthone-B

Phytochemistry, 1988
Abstract The chemical examination of the dry fruit hulls of Garcinia mangostana yielded, in addition to known xanthones, two new xanthones, a bis-pyrano xanthone, BR. xanthone- A and 1-methoxy-2,4,5-trihydroxyxanthone, BR-xanthone-B. Evidence of their structures is presented.
Krishnamoorthi Balasubramanian, Krishnamoorthi Rajagopalan   +1 more
exaly   +2 more sources

Allylamine Type Xanthone Antimycotics

Archiv der Pharmazie, 1998
A number of xanthone derivatives bearing the basic chain of naftifine and butenafine antimycotics in 1, 2, 3, and 4 nuclear positions are described. The in vitro antifungal activity against representative strains of molds and yeasts is reported. Only butenafine xanthone analogues show significant activity against Cryptococcus neoformans, in particular ...
I. SALMOIRAGHI, ROSSI, Maddalena, P. VALENTI, P. DA RE   +3 more
openaire   +4 more sources

One-pot two-component synthesis of halogenated xanthone, 3-o substituted xanthone, and prenylated xanthone derivatives as aromatase inhibitors

Results in Chemistry, 2023
This study describes the synthesis, characterization, and biological activities of halogenated xanthone, 3-O substituted xanthone, and prenylated xanthone derivatives. The molecular structures of these compounds were identified using 1 H NMR, 13C NMR,
Nadiah Mad Nasir, Johnson Stanslas, Muhammad Alif Mohammad Latif   +2 more
exaly   +2 more sources

Xanthone glycosides

Phytochemistry, 1977
Kurt Hostettmann, Hildebert Wagner
exaly   +2 more sources

Synthesis of Xanthones: An Overview

Current Medicinal Chemistry, 2005
Among the known synthetic routes to obtain xanthones, the Grover, Shah, and Shah reaction, the cyclodehydration of 2, 2-dihydroxybenzophenones and electrophilic cycloacylation of 2-aryloxybenzoic acids are the most popular methods. Due to important biological applications of xanthones, some synthetic strategies leading to more complex derivatives ...
M E, Sousa, M M M, Pinto
openaire   +2 more sources

Xanthones as Potential Antioxidants

Current Medicinal Chemistry, 2013
Xanthones (dibenzo-γ-pyrones) constitutes an important class of oxygenated heterocycles and occur as secondary metabolites in plants and microorganisms. They are known for various biological activities such as antioxidant, monoamine oxidase inhibitor, antihypertensive, hepatoprotective, antithrombotic, antifungal and anticancer.
S S, Panda, M, Chand, R, Sakhuja, S C, Jain   +3 more
openaire   +2 more sources

Xanthones-A Structural Perspective

Current Medicinal Chemistry, 2005
Xanthones, synthesized or isolated from a natural source, display a wide range of biological and pharmacological activities. In a few cases, their chemical characterization has involved the structure elucidation by single crystal X-ray diffraction.
L, Gales, A M, Damas
openaire   +2 more sources