Heterocyclic compounds and 1
![New derivatives of 1H-pyrazolo[3,4-b]pyridine heterocyclic system: synthesis and hydrogen and carbon assignments by 1D and 2D NMR.](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)
New derivatives of 1H-pyrazolo[3,4-b]pyridine heterocyclic system: synthesis and hydrogen and carbon assignments by 1D and 2D NMR.
... b]PYRIDINE HETEROCYCLIC SYSTEM: SYN- THESIS AND HYDROGEN AND CARBON ASSIGNMENTS BY 1D AND 2D ...synthesis and NMR analysis of seven new 4-(aryl)amino-5-carboethoxy-1,3-dimethyl-1H ...
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Nitro-Heterocyclic compounds induce apoptosis-like effects in Leishmania (L). amazonensis promastigotes
... Brazil, and can produce diffuse cutaneous, mucocutaneous and cutaneous manifestations, which are the most common presentation of ACL ...B and pentamidine [6]; [7]; [8], are currently used in the ...
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Vilsmeier-Haack reagent: A facile synthesis of 2-(4-chloro-3,3-dimethyl-7-phenoxyindolin-2-ylidene)malonaldehyde and transformation into different heterocyclic compounds
... 1,3-dialdehyde compounds undergo reaction with various nucleophiles to yield a wide range of new heterocyclic ...various heterocyclic compounds by condensations of malonaldehyde with various ...
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Methodologies for the preparation and synthetic application of thiazoles, an important class of heterocyclic compounds.
... consiste na utilização do cloridrato do éster etílico da L-serina 56 que, após acoplamento peptídico com ácido 2,2-dimetilacetoacético, em presença de DCC (diciclohexilcarbodiimida) e HOBT (1- ...
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Dopaminergic profile of new heterocyclic N-phenylpiperazine derivatives
... D 1 agonist A68930 (14). In addition, it was reported that clozapine (1)- induced hypothermia in rats is blockaded by selective D 1 antagonists, suggesting that this drug may be a partial D 1 ...
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Rational design, synthesis, and biological evaluation of heterocyclic quinolones targeting the respiratory chain of Mycobacterium tuberculosis
... NDH2 and cytochrome bc 1 , have recently been ...screening and SAR investigations was switched to whole cell replicating TB ...∼350 compounds were screened against replicating Mtb. There were ...
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Manganese and Iron Complexes with H-heterocyclic Carbene Ligands: Synthesis and Catalysis
... carbonyl compounds through hydrosilylation ...ethers, and can be employed as a convenient alternative to hydrogenation when combined with a hydrolysis ...coordination compounds bearing N-, O-, ...
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Development of Novel Benzimidazole- based COX Inhibitors New Synthetic Strategies and Screening of Heterocyclic Structures
... several heterocyclic scaffolds, benzimidazole structures were chosen as the most promising ...The compounds were analysed based on the known correlation between the y shape drugs (possessing two aryl ...
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Synthesis and characterization of heterocyclic rings linked to sugar moieties
... roles and a major component in the human ...enzyme and the substrate, by production of bio-active compounds with a large activity spectrum, which include anti-fungi, anti-bacterial and ...
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Synthesis and docking analysis of new heterocyclic system of tetrazolo[5',1':2,3][1,3,4]thiadiazepino [7,6-b]quinolines as aldose reductase inhibitors
... A and streptonigrin, are naturally occurring members of the class of antitumor antibiotic (10, ...that compounds containing quinoline (12-15), or tetrazole (15-19) functionality have been reported to ...
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Heterocyclic Aromatic Amines in Muscle Foods Relevance, Occurence and Mitigation
... carcinogenic and other non carcinogenic may act as synergists; persistent and bioacumulative compounds (Wenzl et ...as compounds of interest based on their occurrence and ...
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Hirshfeld Surfaces and Nonlinear Optics on Two Conformers of a Heterocyclic Chalcone
... these compounds. The structural knowledge of heterocyclic chalcones can help in the understanding of their mechanism of ...the heterocyclic chalcone ...
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PROGRESS IN HETEROCYCLIC CHEMISTRY
... bicarbonate and THF as solvent ...25 and as minor prod- uct, the acylation product 26 of the malonate and the acid chloride (Scheme 46; ...diastereo- and enantio-selectivities (Scheme 47; ...
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Investigation of structural effects on the reactivity of heterocyclic bioactive compounds
... Frequency Intensity (cm -1 ) (km mol -1 ) 3370.1 16.7 3129.9 2.3 3127.3 4.5 3119.7 13.4 3107.6 9.2 3099.5 0.3 1602.7 42.31 1593.9 5.2 1490.5 52.3 1455.3 4.2 1427.8 8.9 1325.9 0.6 1311.7 43.1 1303.1 14.0 ...
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Computational development of rubromycin-based lead compounds for HIV-1 reverse transcriptase inhibition
... variants, and to the relative insensitivity of its effect on the presence/absence of K103N or Y181C mutation, which supports the applicability of the MM-PBSA approach to this ...36 and 45 are computed to ...
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Polymorphism in hydroxybenzoyl compounds: structure and energetics
... K and is composed by four wells (1, 1’ and 2, 2’) operating in pairs (only one pair of wells was used in this work), each one containing a microcalorimetric element ...height), and ...
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Phenolic compounds profile, nutritional compounds and bioactive properties of Lycium barbarum L.: A comparative study with stems and fruits
... extracellular and soluble proteins, which may disrupt the microbial membrane ( Cushnie and Lamb, 2005 ; Kabir et ...pH and sodium chloride con- centration, resulting in physiological changes in the ...
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Volatile compounds in meat and meat products
... length and a lower sensory detection threshold occur in higher concentrations and exhibit higher ...sulfur compounds like ...n-6 and n-9 families, which in turn affects the final flavor of ...
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Phenolic Compounds and Antioxidant Activity of Rice
... Phenolic compounds may exert their antioxidant activity in different ...peroxyl and superoxide radicals, acting as chain breaking ...phenolic compounds may bind pro-oxidant metals, such as iron ...
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Compatibility of automotive wire compounds and wire tapes
... temperature and this will influence the results from the accelerating ...stability and melt processing stability (>150 °C), thiosynergists give a long-term thermal stability (up to 160°C) and ...
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