Results 201 to 210 of about 187,468 (290)

Endophytic Bioactive Compounds for Wound Healing: A Review of Biological Activities and Therapeutic Potential. [PDF]

Microorganisms
Calvo-Gomez O, Eshboev F, Mullaiarova K, Egamberdieva D.   +3 more
europepmc   +1 more source

Phytochemical Composition, Antibacterial, and Antibiotic-Resistance Modulatory Activity of Extracts of Lippia multiflora Moldenke, Terminalia mollis M. A. Lawson, and Cinchona officinalis L. Against Multidrug-Resistant Pseudomonas aeruginosa. [PDF]

Scientifica (Cairo)
Mouozong R, Fankam AG, Diffo VL, Matieta VY, Megaptche FJ, Kuete V.   +5 more
europepmc   +1 more source

Recent advancements in the chemistry of Diels-Alder reaction for total synthesis of natural products: a comprehensive review (2020-2023). [PDF]

RSC Adv
Rana A, Mishra A, Awasthi SK.
europepmc   +1 more source

<i>A priori</i> Design of [Mn(i)-Cinchona] catalyst for Asymmetric Hydrogenation of Ketones and β-Keto carbonyl Derivatives. [PDF]

Chem Sci
Paira S, Jain N, Adhikari D, Sunoj RB, Sundararaju B.   +4 more
europepmc   +1 more source

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Cinchona Alkaloids—Derivatives and Applications

The Alkaloids: Chemistry and Biology, 2019
Major Cinchona alkaloids quinine, quinidine, cinchonine, and cinchonidine are available chiral natural compounds (chiral pool). Unlike many other natural products, these alkaloids are available in multiple diastereomeric forms which are separated on an industrial scale.
Przemysław J, Boratyński, Mariola, Zielińska-Błajet, Jacek, Skarżewski   +2 more
openaire   +3 more sources

Cinchona Alkaloids from Cinchona succirubra and Cinchona ledgeriana

Planta Medica, 2014
Seven new cinchona alkaloids, cinchonanines A-G (1-7), and 29 known alkaloids were isolated from the barks of Cinchona surrirubra and C. ledgeriana collected from Yunnan Province in China. The new structures were elucidated by extensive spectroscopic analysis.
Gui-Guang, Cheng, Xiang-Hai, Cai, Bao-Hong, Zhang, Yan, Li, Ji, Gu, Mei-Fen, Bao, Ya-Ping, Liu, Xiao-Dong, Luo   +7 more
openaire   +3 more sources

Cinchona Alkaloids as Organocatalysts in Enantioselective Halofunctionalization of Alkenes and Alkynes

Asian Journal of Organic Chemistry, 2014
Naturally occurring cinchona alkaloids include quinine, quinidine, cinchonine, and cinchonidine. Many of their derivatives are also readily available. This Focus Review summarizes recent applications of cinchona alkaloid derivatives, an important class ...
Suqing Zheng, Casi M. Schienebeck, Wei Zhang, Hao-Yuan Wang, Weiping Tang   +4 more
semanticscholar   +3 more sources

Click-Dimerized Cinchona Alkaloids

The Journal of Organic Chemistry, 2016
A series of Cinchona alkaloid-derived dimers were obtained in high yields in copper-catalyzed 1,3-dipolar "click" cycloaddition using bis(TMS)butadiyne and other bivalent alkynes. The products with bitriazole linkers were effective ligands for asymmetric copper-catalyzed Michael addition.
Przemysław J, Boratyński, Rafał, Kowalczyk   +1 more
openaire   +3 more sources