نتایج جستجو برای: 1 hydroxy 2 1 methoxymethyl 9

تعداد نتایج: 4117145  

Journal: :Jurnal kimia Valensi 2022

In this research, the synthesis of 1,3,5,7-tetrahydroxy-9,10-anthraquinone (1) and two anthrone derivatives, 1,3,5,7-tetrahydroxy-10H-anthracene-9-one (2) 1-hydroxy-3,5,7,9-tetramethoxyanthracene (3) has been done. Compound 1 was synthesized by a symmetrical condensation reaction 3,5-dihydroxybenzoic acid in concentrated sulfuric acid. Reduction carbonyl group compound with SnCl2/HCl-HOAc affor...

Journal: :Acta Crystallographica Section E Structure Reports Online 2009

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: :Molecules 2010
Songtao Li Li Han Jiang Liu Yihan Hu Dan Zheng Yingbo Fu Xueshi Huang

In the course of synthesizing 3-demethyltylophorine (1) by Lewis acid catalyzed intramolecular Friedel-Crafts reaction starting from N-(3-hydroxy-2,6,7-trimethoxy-phenanthr-9-ylmethyl)-2-chloromethylpyrrolidine, two chlorinated phenanthrene derivatives N-(4,10-dichloro-3-hydroxy-2,6,7-trimethoxyphenanthr-9-ylmethyl)-2-chloromethylpyrrolidine (4) and N-(4-chloro-3-hydroxy-2,6,7-trimethoxyphenant...

Journal: :Zeitschrift für Kristallographie - New Crystal Structures 2002

Journal: :Acta Crystallographica Section E Structure Reports Online 2011

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