Proton NMR

Results: 428



#Item
321Spectroscopy / Nanomaterials / Fullerene / Endohedral fullerene / Prato reaction / Proton NMR / Nuclear magnetic resonance / Electron paramagnetic resonance / Carbon nanotube / Chemistry / Fullerenes / Science

Tuning the interactions between electron spins in fullerene-based triad systems Maria A. Lebedeva1, Thomas W. Chamberlain1, E. Stephen Davies1,

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Source URL: www.ncbi.nlm.nih.gov

Language: English
322Nuclear magnetic resonance / Isotopes / Isotopic labeling / Physical chemistry / Proton NMR / Nitrone-olefin 3+2 cycloaddition / Vitexin / Chemistry / Spectroscopy / Organic reactions

Zirconoarylation of alkynes through p-chloranilpromoted reductive elimination of arylzirconates Xiaoyu Yan1, Chao Chen1 and Chanjuan Xi*1,2

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Source URL: www.ncbi.nlm.nih.gov

Language: English
323Metabolism / Supramolecular chemistry / Photosynthesis / Porphyrin / Macrocycle / Hydrogenation / Proton NMR / Ethanol / Nuclear magnetic resonance spectroscopy / Chemistry / Tetrapyrroles / Biomolecules

From porphyrin benzylphosphoramidate conjugates to the catalytic hydrogenation of 5,10,15,20tetrakis(pentafluorophenyl)porphyrin Marcos C. de Souza*1,2, Leandro F. Pedrosa1, Géssica S. Cazagrande1,

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Source URL: www.ncbi.nlm.nih.gov

Language: English
324Nuclear magnetic resonance / Spectroscopy / Tautomer / Proton NMR / Nuclear magnetic resonance spectroscopy / Isomer / Pyrazole / Enol / Hydrazine / Chemistry / Functional groups / Ketones

Use of activated enol ethers in the synthesis of pyrazoles: reactions with hydrazine and a study of pyrazole tautomerism

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Source URL: www.ncbi.nlm.nih.gov

Language: English
325Science / Nuclear magnetic resonance / Spectroscopy / Endohedral fullerene / Supramolecular chemistry / Metallofullerene / Proton NMR / Matrix-assisted laser desorption/ionization / Mass spectrometry / Chemistry / Fullerenes / Scientific method

Thermodynamically stable [4 + 2] cycloadducts of lanthanum-encapsulated endohedral metallofullerenes

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Source URL: www.ncbi.nlm.nih.gov

Language: English
326Proton NMR / Chemistry / Phenyl group / PM3

Staudinger ligation towards cyclodextrin dimers in aqueous/organic media. Synthesis, conformations and guest-encapsulation ability

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Source URL: www.ncbi.nlm.nih.gov

Language: English
3271H / Nitrone-olefin 3+2 cycloaddition / Desulfonylation reactions / Chemistry / Organic reactions / Proton NMR

Synthesis of new enantiopure poly(hydroxy)aminooxepanes as building blocks for multivalent carbohydrate mimetics

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Source URL: www.ncbi.nlm.nih.gov

Language: English
328Chemical pathology / Metabolism / Enzymes / Nuclear magnetic resonance spectroscopy / Proton NMR / Streptozotocin / Glucose / Aspirin / Chemical shift / Chemistry / Nuclear magnetic resonance / Spectroscopy

Preliminary In Vitro and In Vivo Evaluation of Antidiabetic Activity of Ducrosia anethifolia Boiss. and Its Linear Furanocoumarins

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Source URL: www.ncbi.nlm.nih.gov

Language: English
329Ethyl acetate / Vitexin / Desulfonylation reactions / Chemistry / Organic reactions / Proton NMR

Organocatalytic asymmetric fluorination of α-chloroaldehydes involving kinetic resolution Kazutaka Shibatomi*, Takuya Okimi, Yoshiyuki Abe, Akira Narayama,

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Source URL: www.ncbi.nlm.nih.gov

Language: English
330Deuterated DMSO / Proton NMR / 1H / Vitexin / Nitrone-olefin 3+2 cycloaddition / Chemistry / Organic reactions / Bischler–Napieralski reaction

An oxidative amidation and heterocyclization approach for the synthesis of β-carbolines and dihydroeudistomin Y

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Source URL: www.ncbi.nlm.nih.gov

Language: English
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