نتایج جستجو برای: 8 hydroxy 2 methylquinoline

تعداد نتایج: 2874848  

Journal: :Journal of natural products 1998
L Alvarez M Y Rios C Esquivel M I Chávez G Delgado M I Aguilar M L Villarreal V Navarro

Two new cytotoxic isoflavans, (3S)-7-hydroxy-2',3',4',5', 8-pentamethoxyisoflavan (1) and (3S)-3',7-dihydroxy-2',4',5', 8-tetramethoxyisoflavan (2), were isolated from the bark and trunks of Eysenhardtia polystachya (Leguminosae), together with the known constituents stigmasterol, isoduartin, cuneatin, 7-hydroxy-2',4', 5'-trimethoxyisoflavone, and 3,4-dimethoxy-8, 9-(methylenedioxy)pterocarpan....

Journal: :Molecules 2010
Che Puteh Osman Nor Hadiani Ismail Rohaya Ahmad Norizan Ahmat Khalijah Awang Faridahanim Mohd Jaafar

Dichloromethane root extract of Rennellia elliptica Korth. showed strong inhibition of Plasmodium falciparum growth in vitro with an IC₅₀ value of 4.04 µg/mL. A phytochemical study of the dichloromethane root extract has led to the isolation and characterization of a new anthraquinone, 1,2-dimethoxy-6-methyl-9,10-anthraquinone (1), and ten known anthraquinones: 1-hydroxy-2-methoxy-6-methyl-9,10...

Journal: :Applied Nanoscience 2021

Abstract We present the optical and photochromic properties as well surface quality of thin films methacrylic copolymers containing 2-methylquinoline quinoline azo-dyes in side chain. The extinction coefficient refractive index were determined using spectroscopic ellipsometry combined with transmittance measurements. Photo-responsive behavior was investigated by determination trans – cis photoi...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2002
Martina Zikmundová Konstantin Drandarov Manfred Hesse Christa Werner

The biotransformation of the phytoanticipin HBOA and its major degradation metabolites 2-hydroxy-N-(2-hydroxyphenyl)acetamide (7) and N-(2-hydroxyphenyl)acetamide (8) by Chaetosphaeria sp., an endophytic fungus isolated from Aphelandra tetragona, was studied. Three new metabolites could be identified as 2-amino-7-hydroxy-3H-phenoxazin-3-one (12), 2-acetylamino-7-hydroxy-3H-phenoxazin-3-one (13)...

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