بازگشت به فرم جستجو »

نمایش نتایج جستجو برای

کلمات کلیدی: ketones


موارد یافت شده: 39

1 - C-C Coupling Reaction of Ketones with Alcohols in the Presence of Nickel Nanocatalyst (چکیده)
2 - Authentication of potential energy distribution by VEDA in vibrational assignment some of copper (II) of β-diketone complexes (چکیده)
3 - Catalytic hydration of terminal alkynes and nitriles without reducing reagents, acidic promoters, and organic solvent over Fe3O4@Starch–Au (چکیده)
4 - Incorporating heterogeneous lacunary Keggin anions as efficient catalysts for solvent-free cyanosilylation of aldehydes and ketones (چکیده)
5 - Validation of potential energy distribution by VEDA in vibrational assignment some of β-diketones; comparison of theoretical predictions and experimental vibration shifts upon deutration (چکیده)
6 - Tautomeric Equilibria Studies by UV-Vis Spectroscopy in β-diketones (چکیده)
7 - Application of Hammett equation to intramolecular hydrogen bond strength in para-substituted phenyl ring in some β-diketones and schiff bases (چکیده)
8 - Conventional and Unconventional Intramolecular Hydrogen Bonding in some Beta-diketones (چکیده)
9 - A novel copper-catalyzed c-c bond cleavage of aryl (heteroaryl) alkyl ketones for c-n bond formation (چکیده)
10 - Study of the intramolecular hydrogen bonding of some α-cyano-1,3–diketones by using AIM and NBO calculations (چکیده)
11 - One‑ pot three‑component kinetic controlled and syn‑ diastereoselective Mannich reaction of unfunctionalized ketones in water catalyzed by nano‑manganese hydrogen sulfate particles (چکیده)
12 - Tautomerization in the some of α-bromo-β-Diketones (چکیده)
13 - Sonochemical synthesis of lithium fluoride nano cubic as an active and simple catalyst for thia-Michael addition process: synthesis and structural characterization of β-aryl-β-mercapto ketones (چکیده)
14 - Facile synthesis of some novel 6‑alkyl or aryl-7H-tetrazolo[5,1-b][1,3,4] thiadiazine (چکیده)
15 - One-pot, Procedure for the Preparation of some Thiazino[2,3-b]quinoxaline Derivatives (چکیده)
16 - The effect of phenyl substitutions on the structure and metal- ligand bond strength of copper acetylacetonate. A DFT study. (چکیده)
17 - Ionic liquids bis(2-N-methylimidazoliumethyl)ether dichloroiodate/dibromochlorate as an efficient halogenating reagent for the synthesis of a-haloketones (چکیده)
18 - Synthesis of new pyrrolizine derivatives via ring annulation under green conditions (چکیده)
19 - The theoretical and experimental 1H NMR study of some beta-diketones (A DFT calculation (چکیده)
20 - Synthesis and Characterization of Modified Carbon Nanotubes with Silica-supported Preyssler Nano Particles and Study of Their Catalytic Activities in Synthesis of β-acetamido Ketones/Esters (چکیده)
21 - Synthesis of substituted dipyrromethanes under green conditions (چکیده)
22 - Ceria nanoparticles as an efficient catalyst for oxidation of benzylic C H bonds (چکیده)
23 - Reaction of Isocyanides, Dialkyl Acetylenedicarboxylates, and α-Keto Lactones: Unexpected Participation of an Ester Carbonyl Group in the Isocyanide-Based Three-Component Reaction (چکیده)
24 - Synthesis of Two New Heterocyclic Systems: Furo[3-,2-:5,6]pyrimido[2,1-c][1,2,4]triazines and Furo[3,2-e][1,2,3,4]tetrazolo[1,5-a]pyrimidine (چکیده)
25 - Dithioacetalization of carbonyl compounds under catalyst-free condition (چکیده)
26 - Bulk and Activated Carbon-Supported Tungstophosphoric Acid as Recyclable and Green Catalyst for One-Pot Synthesis of -Acetamido Ketones and Esters (چکیده)
27 - Synthesis, characterization and structure of DBU-hydrobromide-perbromide: a novel oxidizing agent for selective oxidation of alcohols to carbonyl compounds (چکیده)
28 - New heat stable polyethers, polyketones and polysulfones (چکیده)
29 - A study of probing the mechanism of acylation Reactions and Fries Rearrangement by Polyphosphoric acid (PPA( (چکیده)
30 - Theoretical Vibrational Spectra Studies: The Effect of Ring Size on the Carbonyl Vibrational Frequencies (چکیده)
31 - P2O5 / SiO2 Catalyzed One-Pot Synthesis of Amides from Ketones via Schmidt Reaction under Microwave Irradiation in Dry Media (چکیده)
32 - Ferric Hydrogensulfate Catalysed Schmidt Reaction of Ketones to Amides under Solvent‐Free Conditions (چکیده)
33 - Silica sulfuric acid as a reusable catalyst for the conversion of ketones into amides by a Schmidt reaction under solvent-free conditions (چکیده)
34 - Preparation of 1,5‐Fused Tetrazoles Under Solvent‐Free Conditions (چکیده)
35 - An Easy Method for the Generation of Amides from Ketones by a Beckmann Type Rearrangement Mediated by Microwave (چکیده)
36 - One - Pot Efficient Beckmann Rearrangement of Ketones Catalyzed by Silica Sulfuric Acid (چکیده)
37 - Structure and vibrational assignment of the enol form of 1,1,1-trifluoro-2,4-pentanedione (چکیده)
38 - solid acid induced cyclocondensation: a facile, one-pot synthesis of 7h-{1,2,4}ftriazolo {3,4-b} thi (چکیده)
39 - Vibrational assignment of C2v deuterium substituted pyrimidines (چکیده)