Articles with "hydrazine hydrate" as a keyword



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Hydrazine hydrate: A new reagent for Fmoc group removal in solid phase peptide synthesis

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Published in 2019 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2018.11.054

Abstract: Abstract In solid-phase peptide synthesis using the Fmoc/tBu strategy (SPPS-Fmoc/tBu), an orthogonal protection scheme of amino acids is used; specifically, the alpha-amine group is protected by the 9-fluorenylmethyloxycarbonyl (Fmoc) group, which is removed by weak… read more here.

Keywords: fmoc group; hydrazine hydrate; group; group removal ... See more keywords
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Effect of hydrazine hydrate as complexing agent in the synthesis of zinc selenide thin films by chemical bath deposition

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Published in 2020 at "Thin Solid Films"

DOI: 10.1016/j.tsf.2019.137707

Abstract: Abstract ZnSe thin films were deposited using hydrazine hydrate (HH) as the only complexing agent. The deposition was carried out on glass substrates in an alkaline medium at low temperature using the chemical bath deposition… read more here.

Keywords: thin films; deposition; hydrazine hydrate; spectroscopy ... See more keywords
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Hydrazine Hydrate Induced Two-Dimensional Porous Co3+ Enriched Co3O4 Nanosheets for Enhanced Water Oxidation Catalysis

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Published in 2020 at "ACS Sustainable Chemistry & Engineering"

DOI: 10.1021/acssuschemeng.0c02421

Abstract: Herein, a hydrazine hydrate (N2H4) induced sacrificial template method is reported for controlled synthesis of 2D porous Co3O4 nanosheets (p-Co3O4 NSs) with adjustable thickness and abundant hierar... read more here.

Keywords: hydrazine hydrate; hydrate induced; induced two; co3o4 nanosheets ... See more keywords
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Europium ion post-functionalized zirconium metal–organic frameworks as luminescent probes for effectively sensing hydrazine hydrate

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Published in 2018 at "RSC Advances"

DOI: 10.1039/c8ra03049a

Abstract: We describe a highly sensitive chemical sensor for the detection of the hydrazine hydrate. The chemical sensor was synthesized by simply doping a UiO-66 type metal–organic framework (MOF) with Eu3+ through a well-known post-synthetic modification… read more here.

Keywords: hydrazine hydrate; hydrazine; metal organic; post ... See more keywords
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Fe-doped carbonized polymer dot-based fluorescent sensor with "turn-on" property for hydrazine hydrate detection.

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Published in 2022 at "Dalton transactions"

DOI: 10.1039/d2dt03051a

Abstract: It has become a significant problem to develop and improve carbonized polymer dot (CPD)-based fluorescence sensors with environmental detection features. In this study, fluorescent "turn on" sensors of CPDs were prepared by a one-step hydrothermal… read more here.

Keywords: carbonized polymer; hydrazine hydrate; n2h4 h2o; polymer dot ... See more keywords
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Features of the reaction of some symmetrically substituted isoindigos with hydrazine hydrate

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Published in 2017 at "Russian Journal of General Chemistry"

DOI: 10.1134/s1070363217090304

Abstract: Depending on the structure of the substituent at the nitrogen atom of the heterocycle, reaction of isoindigo derivatives with hydrazine hydrate leads to the formation of either oxindole derivatives, or to a substituted isatin-3-hydrazone. read more here.

Keywords: isoindigos hydrazine; features reaction; hydrazine hydrate; substituted isoindigos ... See more keywords
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Reactions of 3-Arylhydrazono-2,4-dioxobutanoates with Hydrazine Hydrate

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Published in 2018 at "Russian Journal of General Chemistry"

DOI: 10.1134/s1070363218060075

Abstract: Abstract4-Substituted 3-arylhydrazono-2,4-dioxobutanoates acids esters undergo cyclization under the action of hydrazine hydrate to form 4-arylazo-3-pyrazolecarboxylic acids derivatives. The structure of the compounds obtained was determined from spectral methods. read more here.

Keywords: dioxobutanoates hydrazine; chemistry; hydrazine hydrate; arylhydrazono dioxobutanoates ... See more keywords
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Heterocyclization of Bis(2-chloroprop-2-en-1-yl)sulfide in Hydrazine Hydrate–KOH: Synthesis of Thiophene and Pyrrole Derivatives

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27206785

Abstract: The article is devoted to heterocyclization of bis(2-chloroprop-2-en-1-yl)sulfide which proceeds in hydrazine hydrate–alkali medium and leads to formation of thiophene and pyrrole derivatives: previously described 4,5,9,10-tetrahydrocycloocta[1,2-c;5,8-c’]dithiophene, as well as unknown hydrazone of 5-methylidene-3-methyldihydrothiophen-2-one and 1-amino-2-(propynylsulfanylpropenylsulfanyl)-3,5-dimethylpyrrole.… read more here.

Keywords: bis chloroprop; hydrazine hydrate; heterocyclization bis; thiophene pyrrole ... See more keywords