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C-S bond cleavage

Enzyme-catalyzed C–F bond formation and cleavage

Enzyme-catalyzed C–F bond formation and cleavage

... 1965). Subsequently, other defluorinases were isolated from several micro-organisms (Goldman 1965; Kawa- saki et al. 1981; Walker and Lien 1981; Liu et al. 1998; Kurihara et al. 2003; Donnelly and Murphy 2009). The ...

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Palladium-Catalyzed C-C Bond and C-S Bond Forming Reactions of Sulfoxides

Palladium-Catalyzed C-C Bond and C-S Bond Forming Reactions of Sulfoxides

... To generate diaryl sulfoxides, the Pd/NiXantPhos catalyst must promote multiple distinct reactions, including cleavage and formation of CS bonds. Based on experiments discussed below, a tricatalytic ...

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Metal-free reductive cleavage of C-N and S-N bonds by photoactivated electron transfer from a neutral organic donor

Metal-free reductive cleavage of C-N and S-N bonds by photoactivated electron transfer from a neutral organic donor

... little cleavage occurred, but the product that was isolated, 40 a (6 %), showed cleavage of the N-allyl bond (Table ...the cleavage reaction, the ...

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Late Transition Metals Supported by Aryl Ethers and Phenoxides Bearing Pendant Phosphines: Mechanistic Insights Relevant to Ether C O Bond Cleavage

Late Transition Metals Supported by Aryl Ethers and Phenoxides Bearing Pendant Phosphines: Mechanistic Insights Relevant to Ether C O Bond Cleavage

... (6) (a) Empsall, H. D.; Hyde, E. M.; Jones, C. E.; Shaw, B. L. J. Chem. Soc., Dalton Trans. 1974 , 1980-1985; (b) van der Boom, M. E.; Liou, S.-Y.; Ben-David, Y.; Vigalok, A.; Milstein, D. Angew. Chem. Int. ...

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Antifungal Activity of the Enterococcus faecalis Peptide EntV Requires Protease Cleavage and Disulfide Bond Formation

Antifungal Activity of the Enterococcus faecalis Peptide EntV Requires Protease Cleavage and Disulfide Bond Formation

... Gelatinase is an important virulence factor that was shown to contribute to virulence in most animal models in which it has been tested, including C. elegans, insects, and a variety of vertebrate animal infection ...

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Self assembled monolayers of thiolates as templates for micro/nano fabrication

Self assembled monolayers of thiolates as templates for micro/nano fabrication

... that cleavage by low energy electrons of thiolate-substrate bonds in biphenyl SAMs is not accompanied by the removal of the complete ...of cleavage of molecules might be different in our case as voltage ...

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Mechanistic study of Ru NHC catalyzed hydrodefluorination of fluoropyridines : the influence of the NHC on the regioselectivity of C–F activation and chemoselectivity of C–F versus C–H bond cleavage

Mechanistic study of Ru NHC catalyzed hydrodefluorination of fluoropyridines : the influence of the NHC on the regioselectivity of C–F activation and chemoselectivity of C–F versus C–H bond cleavage

... Computational Details. DFT calculations were run with Gaussian 03 (Revision D.01) 27 and Gaussian 09 (Revision D.01). 28 Ru, P and Si centers were described with the Stuttgart RECPs and associated basis sets 29 with ...

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Hyperthermal H2 Induced C–H Bond Cleavage: A Novel Approach To Cross-linking Of Organic Molecules

Hyperthermal H2 Induced C–H Bond Cleavage: A Novel Approach To Cross-linking Of Organic Molecules

... 120 s. Ten high-resolution C 1s scans were collected for binding energies spanning 278–295 eV, at ...aliphatic C–H bond at 285 eV and the fitting of the high-resolution C 1s peak was ...

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Terminal uranium(V/VI) nitride activation of carbon dioxide and carbon disulfide: factors governing diverse and well defined cleavage and redox reactions

Terminal uranium(V/VI) nitride activation of carbon dioxide and carbon disulfide: factors governing diverse and well defined cleavage and redox reactions

... computed energy barrier nicely explains the fact that the corresponding reaction takes considerable time to occur experimentally with respect to the others. The barrier for the CS bond disruption ...

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Photolysis and acid cataysed studies of some bifunctional systems

Photolysis and acid cataysed studies of some bifunctional systems

... a,S-Epoxyketones have also been observed to undergo isomerisation at the epoxide carbons in a process involving C-C bond cleavage Scheme 11.. Scheme 11 undergoes acetone sensitised geome[r] ...

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Role of magnesium ions in the reaction mechanism at the interface between Tm1631 protein and its DNA ligand

Role of magnesium ions in the reaction mechanism at the interface between Tm1631 protein and its DNA ligand

... A protein, Tm1631 from the hyperthermophilic organism Thermotoga maritima belongs to a domain of unknown function protein family. It was predicted that Tm1631 binds with the DNA and that the Tm1631–DNA complex is an ...

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DEVELOPMENT OF COPPER APATITE CATALYST FOR C-C AND C-N BOND FORMATIONS

DEVELOPMENT OF COPPER APATITE CATALYST FOR C-C AND C-N BOND FORMATIONS

... The thesis mainly deals with the development of copper-fluorapatite catalyst obtained by incorporating basic species F - in apatite in situ by co-precipitation and subsequent exchange with Cu (II) and its performance for ...

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First Principles Study of HE Decomp Energetics pdf

First Principles Study of HE Decomp Energetics pdf

... of bond dissociation ener- gies of a series of high explosives, we have used the D95V basis set and the B-PW91 functional, as we found them to give qualitatively correct results for the bond dissociation ...

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Electron transfer and hydride transfer pathways in the Stoltz-Grubbs reducing system (KOtBu-Et3SiH)

Electron transfer and hydride transfer pathways in the Stoltz-Grubbs reducing system (KOtBu-Et3SiH)

... [13] M. J. Frisch, G. W. Trucks, H. B. Schlegel, G. E. Scuseria, M. A. Robb, J. R. Cheeseman, G. Scalmani, V. Barone, B. Mennucci, G. A. Petersson, H. Nakatsuji, M. Caricato, X. Li, H. P. Hratchian, A. F. Izmaylov, J. ...

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An Integrative Bioinformatic Approach for Studying Escape Mutations in Human Immunodeficiency Virus Type 1 gag in the Pumwani Sex Worker Cohort

An Integrative Bioinformatic Approach for Studying Escape Mutations in Human Immunodeficiency Virus Type 1 gag in the Pumwani Sex Worker Cohort

... proteasomal cleavage, transport to the endoplasmic reticulum, binding by the HLA molecule, and finally presentation to the T-cell ...proteasomal cleavage sites or reduce binding affinity of the transport ...

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Smart Cu(II)-aptamer complexes based gold nanoplatform for tumor micro-environment triggered programmable intracellular prodrug release, photodynamic treatment and aggregation induced photothermal therapy of hepatocellular carcinoma

Smart Cu(II)-aptamer complexes based gold nanoplatform for tumor micro-environment triggered programmable intracellular prodrug release, photodynamic treatment and aggregation induced photothermal therapy of hepatocellular carcinoma

... This study describes smart Cu(II)-aptamer complexes based gold nanoplatform for tumor micro-environment triggered programmable prodrug release, in demand photodynamic therapy and aggregation induced photothermal ablation ...

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Highly selective cleavage C–O ether bond of lignin model compounds over Ni/CaO–H-ZSM-5 in ethanol

Highly selective cleavage C–O ether bond of lignin model compounds over Ni/CaO–H-ZSM-5 in ethanol

... and some industries even treat it as a waste product [7]. However, lignin with unique structure, chemical prop- erties and high energy density was known as the only renewable aromatic compound in nature, and a great deal ...

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Cleavage of protein S by a platelet membrane protease

Cleavage of protein S by a platelet membrane protease

... Protein S is a vitamin K-dependent glycoprotein cofactor to the serine protease, activated protein ...125I-protein S bound to unstimulated platelets in a time- and calcium-dependent saturable ...protein ...

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“Transition Metal Complexes of Knoevenagel Condensate-β-Ketoesters with S-Methyl Dithiocarbazate- Synthesis and Characterisation” by P. Yogalakshmi, Chitra Subramanian, India.

“Transition Metal Complexes of Knoevenagel Condensate-β-Ketoesters with S-Methyl Dithiocarbazate- Synthesis and Characterisation” by P. Yogalakshmi, Chitra Subramanian, India.

... The IR spectra of the ligands do not show a band at 1720 cm -1 characteristic of >C=O which confirms the formation of Knoevenagal ester condensate and also the band at 2450-2600 cm -1 characteristic of –SH ...

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Tectono-metamorphic evolution of the Eastern Fold Belt, Mount Isa, NW Queensland, Australia

Tectono-metamorphic evolution of the Eastern Fold Belt, Mount Isa, NW Queensland, Australia

... crenulation cleavage of Bell and Rubenach (1983) and preserving gently and steeply-dipping foliations, O W–E S b “b” and O W–E S cc” respectively, that are ...

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