Electron withdrawing groups
Synthesis, properties and Light Emitting Electrochemical Cell (LEEC) device fabrication of cationic Ir(III) complexes bearing electron withdrawing groups on the cyclometallating ligands
... single electron oxidation between ...various electron-withdrawing groups results in a stabilization of the HOMOs (HOMO = highest occupied molecular orbital) of complexes 1 − 4 compared to that ...
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Synthesis of Novel Chlorins and Carotenoid-Porphyrin Dyads
... with electron donating groups in the ...of electron donating groups on the chlorin because most of the work to date has focused on electron withdrawing ...
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Optimization and enhancement of textile reactive Remazol black B decolorization and detoxification by environmentally isolated pH tolerant Pseudomonas aeruginosa KY284155
... The development of environmentally favourable, cost- effective techniques to treat azo dyes in textile wastewa- ter have attracted a great attention. Reactive azo dyes are highly recalcitrant to conventional wastewater ...
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Synthesis and antiinflammatory activity of novel pyrazolo [3,4 d] pyrimidines
... respectively. Electron releasing groups such as methyl 6c and amino 6e substituted compounds showed inferior activity when compared to chloro derivative ...with electron withdrawing ...
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Synthesis of pyrrolo[1,2-a]quinolines by formal 1,3-dipolar cycloaddition reactions of quinolinium salts
... as electron-withdrawing groups to stabilise the intermediate ylide [39-49]; for example, the ketone 1 is known to undergo reaction with alkenes 2 (Z = electron- withdrawing group) to ...
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SYNTHESIS, SCREENING AND QSAR ANALYSIS OF CHALCONE DERIVATIVES AS POTENTIAL ANTI BACTERIAL AGENTS
... The structure-activity relationship study based on the above results clearly indicated the importance of electron withdrawing groups in enhancing the antibacterial activity. When more than one such ...
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Anthelmintic Evaluation of Some Novel Synthesized 1, 2, 4-Triazole Moiety Clubbed with Benzimidazole Ring.
... substituted electron withdrawing groups and conjugated with pharmacophore group such as benzimidazole ring in the same molecular structural ...
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Synthesis and Antimicrobial Activity of Fluorine Containing Pyrazole-clubbed Dihydropyrimidinones
... donating groups on aromatic ring, such as methyl, methoxy and hydroxy, and electron withdrawing groups from aromatic ring, such as fluoro, chloro and nitro, were chosen as substituents in the ...
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Cyclicvoltammetric studies on anodic alkoxylation of selective aromatic systems in aqueous medium on glassy carbon electrode
... On the basis of electro kinetic principle, the peak height has direct correlation with the rate of the reaction[18-19]. Accordingly as the peak height increases, the rate of the reaction is slow and the formation of the ...
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Electronic effects of aromatic rings on the catalytic activity of dioxidomolybdenum(VI) hydrazone complexes
... temperature 70 °C) and showed little variation in their catalytic activity. All complexes are able to convert cyclooctene to cycloctene oxide with 100% yield and selectivity after 5 hours. However, by focusing on the ...
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Vol 8, No 3 (2019)
... having electron donating tendency. For the remaining groups as the electron donating groups are present along with some electron deficient nitrogen atom shows promising ...having ...
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THEORETICAL STUDY OF AROMATIC COMPOUNDS WITH INHIBITORY ACTIVITY OF β-HEMATIN FORMATION
... the electron-withdrawing groups in p-phenyl position could contribute to increase inhibitory activity of the ...the electron-donating groups in p-phenyl position change the place of ...
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SYNTHESIS OF N'-(CHLOROACETYL)NAPHTHO[2,1-B]FURAN-2- CARBOHYDRAZIDE AND N'-(ARYLAMINOACETYL)NAPHTHO [2,1-B]FURAN-2-CARBOHYDRAZIDE DERIVATIVES AND THEIR ANTIMICROBIAL ACTIVITIES
... of these compounds is summarized in Table 3. The newly synthesized compounds were evaluated for antimicrobial activity. The compound 5 and 6a-f were displayed significant antibacterial activity against both the ...
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Synthesis,Characterization and Photophysical Study Of 2,2’-{(4-Subbenzene-1,2-Diyl)[Nitrilo(E)Methylylidene]}Diphenol and Their Zn (Ii) Complexes
... donating groups & electron withdrawing groups when introduced to organometallic electrolumophore cause change in electronic properties of ligand involved in emission of ...
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Synthesis, Characterization and Antioxidant Study of Some Pyrazolines Derivatives
... with electron withdrawing groups on aromatic ring A and C ...with electron donating groups. The compound with halogen groups on both the phenyl rings A and C have showed the ...
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2,6-Pyridinedicarboxylic acid as an efficient and mild organocatalyst for the one-pot synthesis of xanthene derivative
... containing electron-donating as well as electron- withdrawing groups were utilized in the present case to form corresponding benzoxanthenes 3a-n in high ...containing withdrawing as ...
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SCHIFF BASES DERIVED FROM 2 HYDROXY AND 2 METHOXY NAPHTHALDEHYDE: EXPLORATION OF IN SILICO DOCKING, DNA CLEAVAGE, ANTIBACTERIAL ACTIVITIES AND SAR
... DNA cleavage activity was monitored by gel electrophoresis, using a control sample (lane 1). Result tells that cleavage obtained for L3 (d) (lane 5), and L3 (e) (lane 6) are insignificant. But a considerable cleavage was ...
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2 Methoxymethyl 1,3 dithiepane 1,1,3,3 tetraoxide
... have electron-releasing properties, but the O atoms bonded to the S atoms have electron-withdrawing properties, thereby influencing the bond lengths and angles of the dithiepane ring (Table ...
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Density Functional Study of Solvent and Substitute Effects on the Tautomerism of 3-Hydroxy-1,2,4-Oxadiazole Derivatives
... from withdrawing groups to electron donating groups NH forms are more stable than OH but we can see an exception in F subsistent because it can be a resonance donating ...
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2 Methoxymethyl 1,3 dithiolane 1,1,3,3 tetraoxide
... Simple vinyl (Maignan & Raphael, 1983) or acetylenic (Maignan & Belkasmioui, 1988; Lee et al. , 1988) sulfoxides are poor dienophiles, and show low levels of diastereocontrol, thereby limiting their synthetic ...
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