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The  Coupling  of  1,3-­‐Dicarbonyl  Compounds:  Initial  Results

1,3-Dicarbonyl compounds in stereoselective domino and multicomponent reactions

1,3-Dicarbonyl compounds in stereoselective domino and multicomponent reactions

... -catalyzed coupling between a 1,3-dicarbonyl compound 53, an aromatic aldehyde 54, and acetonitrile in the presence of acetyl chloride, 43 provides a general access to β- acetamido carbonyl compounds ...

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Photochemical Synthesis of 1,4-Dicarbonyl Bifluorene Compounds via Oxidative Radical Coupling Using TEMPO as the Oxygen Atom Donor

Photochemical Synthesis of 1,4-Dicarbonyl Bifluorene Compounds via Oxidative Radical Coupling Using TEMPO as the Oxygen Atom Donor

... was 1:1 (Table S1, entries ...The results indicated that 4-methoxythioxanthone was the optimal photosensitizer (Table S1, entries ...= 1:1, PLED, and rt) was applied as the optimized ...

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Formation of α hydroxycarbonyl and α dicarbonyl compounds during degradation of monosaccharides

Formation of α hydroxycarbonyl and α dicarbonyl compounds during degradation of monosaccharides

... α-dicarbonyl compounds arising from glucose, fructose, arabinose, glyceraldehyde, and 1,3-dihydroxyacetone was studied in three dif- ferent model ...

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Nanoporous Aluminosilicate Catalyzed Telescoped Acetalization- Direct Aldol Reactions of Acetals with 1,3-Dicarbonyl Compounds

Nanoporous Aluminosilicate Catalyzed Telescoped Acetalization- Direct Aldol Reactions of Acetals with 1,3-Dicarbonyl Compounds

... S3 temperature linearly from 90 o C to 900 o C with a heating rate of 20 o C min -1 and a helium flow rate of 80 cm 3 min -1 . Elemental compositions were obtained with a JOEL scanning electron ...

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Design and Synthesis of Novel Compounds for Studying Electronic Coupling, Exchange Coupling and Magnetotransport Properties.

Design and Synthesis of Novel Compounds for Studying Electronic Coupling, Exchange Coupling and Magnetotransport Properties.

... The initial blue heating curve starts at 0.95 cm 3 ·K·mol -1 while cooling back down and subsequent heating only reached ...cm 3 ·K·mol -1 and contained a shallower slope through the ...

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Hydrogen Peroxide and Dicarbonyl Compounds Concentration in Honey Samples from Different Botanical Origins and Altitudes in the South of Saudi Arabia

Hydrogen Peroxide and Dicarbonyl Compounds Concentration in Honey Samples from Different Botanical Origins and Altitudes in the South of Saudi Arabia

... Our results showed that there was an inverse relationship between the hydrogen peroxide percentage and the concentration of the dicarbonyl compounds in the honey samples, this results was ...

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In-Situ Bioremediation of Organic Compounds: Coupling of Mass-transfer and Biodegradation

In-Situ Bioremediation of Organic Compounds: Coupling of Mass-transfer and Biodegradation

... Organic Compounds (VOCs) from Contaminated Groundwater and Soils by Pervaporation: ...organic compounds (VOCs) from simulated surfactant-flushed ...The results of the experimental trials have shown ...

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SYNTHESIS AND BIOLOGICAL ACTIVITY OF SULFUR COMPOUNDS SHOWING STRUCTURAL ANALOGY WITH COMBRETASTATIN A-4. Figure 1. Structures of compounds 1, 2 and 3

SYNTHESIS AND BIOLOGICAL ACTIVITY OF SULFUR COMPOUNDS SHOWING STRUCTURAL ANALOGY WITH COMBRETASTATIN A-4. Figure 1. Structures of compounds 1, 2 and 3

... CH 3 I and ...The coupling reaction of 6 with the thiols was catalyzed by neocuproine–Cu + and t-NaOBu under a nitrogen ...of compounds 10 and 16 was reported in the literature, 14-16 but neither of ...

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Immunological Evidence that Non-carboxymethyllysine Advanced Glycation End-products Are Produced from Short Chain Sugars and Dicarbonyl Compounds in vivo

Immunological Evidence that Non-carboxymethyllysine Advanced Glycation End-products Are Produced from Short Chain Sugars and Dicarbonyl Compounds in vivo

... hemodialysis. Results: Characterization of the four types of non- CML AGE antibodies obtained by immunoaffinity chromatography was performed by competitive ELISA and immunoblot ...

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Applications of Nickel Catalyzed Cross Coupling Methods in the Synthesis of Organofluorine Compounds

Applications of Nickel Catalyzed Cross Coupling Methods in the Synthesis of Organofluorine Compounds

... 4 CH 3 5 h 31 13 a All data are the average of two experiments. b Yields and conversion are determined by 19 F NMR analysis and calibrated GC analysis versus internal standards. As shown in Table 3.7, the ...

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Chimera states and the interplay between initial conditions and non-local coupling

Chimera states and the interplay between initial conditions and non-local coupling

... diagonal coupling, i.e., a phase-lag in the coupling, in order to create chimera ...the coupling phases. We were able to show how the sign of the coupling phase determines the sign of the ...

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Enantioselective Organocatalyzed -Amination of 1,3-Dicarbonyl Compounds in Deep Eutectic Mixtures

Enantioselective Organocatalyzed -Amination of 1,3-Dicarbonyl Compounds in Deep Eutectic Mixtures

... 1,3-dicarbonyl compounds with diazodicarboxylates catalyzed by the bifunctional chiral 2-aminobenzimidazole-derivative 2 has been performed in deep eutectic solvents formed by the choline chloride/glycerol ...

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Chapter 19 Synthesis and Reactions of -Dicarbonyl Compounds: More Chemistry of Enolate Anions

Chapter 19 Synthesis and Reactions of -Dicarbonyl Compounds: More Chemistry of Enolate Anions

... → A bulky base will not react as a nucleophile at the ester carbonyl or nitrile carbon. this is fundamentally the same chemistry as we saw in Ch[r] ...

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Effect of different flours on the formation of hydroxymethylfurfural, furfural, and dicarbonyl compounds in heated glucose/flour systems

Effect of different flours on the formation of hydroxymethylfurfural, furfural, and dicarbonyl compounds in heated glucose/flour systems

... and dicarbonyl compounds was studied in a dough model system during baking that contains water or glucose in order to promote the Maillard reaction and ...undesirable compounds in new food products ...

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3 COMPOUNDS

3 COMPOUNDS

...  NEUTRALIZATION OF AN ACID AND NEUTRALIZATION OF AN ACID AND A BASE PRODUCES WATER AND A A BASE PRODUCES WATER AND A.. SALT..[r] ...

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3 COMPOUNDS

3 COMPOUNDS

... HAS THE SAME NUMBER OF ATOMS OF EACH ELEMENT ON BOTH SIDES OF THE EQUATION... BALANCING MOLECULAR EQUATIONS.  TIPS:[r] ...

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Determination of enol form of asymmetric 1,3-dicarbonyl compounds: 2D HMBC NMR data and DFT calculations

Determination of enol form of asymmetric 1,3-dicarbonyl compounds: 2D HMBC NMR data and DFT calculations

... 1,3-dicarbonyl compounds was proved by Claisen, Wislicenus and Knorr for different ...1,3-dicarbonyl compounds in early reports and in some of them, the effects of solvent, temperature and ...

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Review on substituted 1, 3, 4 thiadiazole compounds

Review on substituted 1, 3, 4 thiadiazole compounds

... thiadiazole compounds. heterocyclic compounds such as thiazoles, thiadiazoles, indoles, oxadiazoles, benzisoxazoles and pyrroles have been successfully used as Antibacterial, Anticancer, Antipyretic, ...

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ERP SYSTEMS AND COMPETITIVE ADVANTAGE: SOME INITIAL RESULTS 1

ERP SYSTEMS AND COMPETITIVE ADVANTAGE: SOME INITIAL RESULTS 1

... Many organisations invest vast amounts of resources in ERP solutions without analysing the linkage to competitive advantage. The fit between the ERP system and the organisation’s strategy is often ignored. We have ...

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Dicarbonyl stress in clinical obesity

Dicarbonyl stress in clinical obesity

... References 1. WHO: World Health Statistics. (2012) In., pp. 1 – 176. WHO Press, Geneva, Switzerland 2. Ng, M., Fleming, T., Robinson, M., Thomson, B., Graetz, N., Margono, C., Mullany, E.C., Biryukov, S., ...

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