Catalan
Albanian
Arabic
Armenian
Azerbaijani
Belarusian
Bengali
Bosnian
Catalan
Czech
Danish
Deutsch
Dutch
English
Estonian
Finnish
Français
Greek
Haitian Creole
Hebrew
Hindi
Hungarian
Icelandic
Indonesian
Irish
Italian
Japanese
Korean
Latvian
Lithuanian
Macedonian
Mongolian
Norwegian
Persian
Polish
Portuguese
Romanian
Russian
Serbian
Slovak
Slovenian
Spanish
Swahili
Swedish
Turkish
Ukrainian
Vietnamese
Български
中文(简体)
中文(繁體)
acetophenone/dichloromethane
L'enllaç es desa al porta-retalls
12 resultats
Antimicrobial prenylated acetophenones from berries of Harrisonia abyssinica.
Només els usuaris registrats poden traduir articles
Inicieu sessió / registreu-vos
The ripe berries of Harrisonia abyssinica yielded two new prenylated acetophenones, namely 5-(ethan-1'''-one)-4,6-dihydroxy-7-(3'',3''-dimethylallyl)-2 S-(1' S-hydroxy-1',5'-dimethylhex-4'-enyl)-2,3-dihydrobenzofuran (1) and 5-(2'''-hydroxyethan-1'''-one)-4,6-dihydroxy-7-(3'',3''-dimethylallyl)-2
Acetophenone-based linker for solid-phase peptide synthesis.
Només els usuaris registrats poden traduir articles
Inicieu sessió / registreu-vos
A new and cost-effective linker for the generation of carboxylic acid end groups on Multipin supports (SynPhase crowns) has been developed. Synthesis of the linker was based on modification of grafted polystyrene (PS) crowns to generate a hydroxyethyl moiety which is acid labile in 10-20%
Tetranuclear MnII, CoII, CuII and ZnII grid complexes of an unsymmetrical ditopic ligand: synthesis, structure, redox and magnetic properties.
Només els usuaris registrats poden traduir articles
Inicieu sessió / registreu-vos
Synthesis towards the preparation of an unsymmetrical binucleating Schiff-base ligand, (H2L) is discussed. It has been synthesized by reacting methyl 6-(hydrazinecarbonyl)picolinate with 2-hydroxy acetophenone. The ligand (H2L) comprises two different asymmetric binding
Chalcone-based molecules: Experimental and theoretical studies on the two-photon absorption and molecular first hyperpolarizability.
Només els usuaris registrats poden traduir articles
Inicieu sessió / registreu-vos
Five chalcone-based molecules denominated by C-3 ((E)-1-(4-methoxyphenyl)-3-phenylprop-2-en-1-one), C-4 ((E)-1,3-bis(4-methoxyphenyl)prop-2-en-1-one), C-5 ((E)-1-(benzo[d][1,3]dioxol-5-yl)-3-(4-methoxyphenyl)prop-2-en-1-one), C-6 ((E)-3-(naphthalen-1-yl)-1-phenylprop-2-en-1-one) and C-7
Designing the "search pathway" in the development of a new class of highly efficient stereoselective hydrosilylation catalysts.
Només els usuaris registrats poden traduir articles
Inicieu sessió / registreu-vos
The direct coupling of oxazolines and N-heterocyclic carbenes leads to chelating C,N ancillary ligands for asymmetric catalysis that combine both an "anchor" unit and a stereodirecting element. Reacting various N-substituted imidazoles with 2-bromo-4(S)-tert-butyl- and
New chiral ruthenium(II) catalysts containing 2,6-bis(4'-(R)-phenyloxazolin-2'-yl)pyridine (Ph-pybox) ligands for highly enantioselective transfer hydrogenation of ketones.
Només els usuaris registrats poden traduir articles
Inicieu sessió / registreu-vos
Treatment of complex trans-[RuCl(2)(eta(2)-C(2)H(4))[kappa(3)-N,N,N-(R,R)-Ph-pybox]] [(R,R)-Ph-pybox = 2,6-bis[4'-(R)-phenyloxazolin-2'-yl]pyridine] with phosphines or phosphites in dichloromethane at 50 degrees C leads to the formation of novel ruthenium(II)-pybox complexes
UHPLC-MS Metabolome Fingerprinting: The Isolation of Main Compounds and Antioxidant Activity of the Andean Species Tetraglochin ameghinoi (Speg.) Speg.
Només els usuaris registrats poden traduir articles
Inicieu sessió / registreu-vos
The seriated extracts of petroleum ether (PE-E), dichloromethane (DCM-E) and methanol extracts (MeOH-E) from the aerial parts of the native South American plant Tetraglochin ameghinoi (Rosaceae), were evaluated regarding their antioxidant and antibacterial activities. The antioxidant properties were
Active components from Artemisia iwayomogi displaying ONOO(-) scavenging activity.
Només els usuaris registrats poden traduir articles
Inicieu sessió / registreu-vos
Peroxynitrite (ONOO(-)) is one of cytotoxic species produced by the reaction between superoxide (*O(2) (-)) and nitric oxide (NO). The main aim of this study was to identify ONOO(-) scavenging constituents from herbs. Methanolic extracts derived from one hundred thirty eight herbs were screened out
Polygonophenone, the first MEM-substituted natural product, from Polygonum maritimum.
Només els usuaris registrats poden traduir articles
Inicieu sessió / registreu-vos
An unprecedented natural acetophenone, polygonophenone (1), and a new resorcinol, polygonocinol (2), were isolated from the dichloromethane and methanol extracts of Polygonum maritimum and identified as 2-hydroxy-4-[(2-methoxyethoxy)methoxy] acetophenone and 2-methyl-5-nonadecylresorcinol,
Phenolic and terpenoid compounds from Chione venosa (sw.) urban var. venosa (Bois Bandé).
Només els usuaris registrats poden traduir articles
Inicieu sessió / registreu-vos
The Caribbean island of Grenada furnishes the popular aphrodisiac drug Bois Bandé, which consists of the stem bark and the roots of Chione venosa (sw.) URBAN var. venosa (Rubiaceae), a native tree growing in the islands' rain forest. The phytochemical investigation of dichloromethane and
Floral Origin Markers of Chestnut and Lime Tree Honeys.
Només els usuaris registrats poden traduir articles
Inicieu sessió / registreu-vos
The apiculture industry is more and more interested in finding typical markers to authenticate floral origin of honeys. With this aim, some reliable volatile compounds were proposed to identify origin of lime tree and chestnut samples. A dichloromethane extraction followed by a Likens-Nickerson
Chemical composition and biological activities of extracts and essential oil of Boswellia dalzielii leaves.
Només els usuaris registrats poden traduir articles
Inicieu sessió / registreu-vos
BACKGROUND
Boswellia dalzielii Hutch. (Burseraceae) is an aromatic plant. The leaves are used for beverage flavouring.
OBJECTIVE
This study investigates the chemical composition and biological activities of various extracts.
METHODS
The essential oil was prepared via hydrodistillation.
La base de dades d’herbes medicinals més completa avalada per la ciència
- Funciona en 55 idiomes
- Cures a base d'herbes recolzades per la ciència
- Reconeixement d’herbes per imatge
- Mapa GPS interactiu: etiqueta les herbes a la ubicació (properament)
- Llegiu publicacions científiques relacionades amb la vostra cerca
- Cerqueu herbes medicinals pels seus efectes
- Organitzeu els vostres interessos i estigueu al dia de les novetats, els assajos clínics i les patents
Escriviu un símptoma o una malaltia i llegiu sobre herbes que us poden ajudar, escriviu una herba i vegeu malalties i símptomes contra els quals s’utilitza.
* Tota la informació es basa en investigacions científiques publicades
