Articles with "boronate" as a keyword



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Synthesis of boronate‐functionalized organic‐inorganic hybrid monolithic column for the separation of cis‐diol containing compounds at low pH

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Published in 2018 at "ELECTROPHORESIS"

DOI: 10.1002/elps.201700337

Abstract: In this work, an organic‐inorganic hybrid boronate affinity monolithic column was prepared via “one‐pot” process using 4‐vinylphenylboronic acid as organic monomer and divinylbenzene as cross‐linker. The effects of reaction temperature, solvents and composition of organic… read more here.

Keywords: column; organic inorganic; cis diol; boronate ... See more keywords
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The chiral boronate-catalyzed asymmetric transfer hydrogenation of various aromatic ketones to high-value alcohols: Preparation and spectroscopic studies

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Published in 2019 at "Journal of Organometallic Chemistry"

DOI: 10.1016/j.jorganchem.2019.03.017

Abstract: Abstract This work deals with the synthesis, spectroscopic studies and catalytic evaluation of the novel chiral salen (L1H2) and (L2H2) ligands and their chiral boronate [L1(B1-4)] and [L2(B1-4)] complexes. Initially, the reaction of 5-azidomethyl salicylaldehyde… read more here.

Keywords: chiral boronate; transfer hydrogenation; asymmetric transfer; boronate ... See more keywords
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The synthesis of novel boronate esters and N-Heterocyclic carbene (NHC)-stabilized boronate esters: Spectroscopy, antimicrobial and antioxidant studies

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Published in 2020 at "Journal of Organometallic Chemistry"

DOI: 10.1016/j.jorganchem.2020.121268

Abstract: Abstract A new class of cheap, easily-synthesizable and modifiable boronate esters (B1–B3) and their corresponding N-Heterocyclic Carbene (NHC)-stabilized boronate esters (B4–B6) have been synthesized for the first time under toluene reflux using a Dean-Stark apparatus… read more here.

Keywords: carbene nhc; boronate esters; stabilized boronate; boronate ... See more keywords
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Potassium Trimethylsilanolate-Promoted, Anhydrous Suzuki-Miyaura Cross-Coupling Reaction Proceeds via the "Boronate Mechanism": Evidence for the Alternative Fork in the Trail.

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.1c08283

Abstract: Previous studies have shown that the critical transmetalation step in the Suzuki-Miyaura cross-coupling proceeds through a mechanism wherein an arylpalladium hydroxide complex reacts with an aryl boronic acid, termed the oxo-palladium pathway. Moreover, these same… read more here.

Keywords: boronate; suzuki miyaura; reaction; cross coupling ... See more keywords
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Stereoselective gem-C,B-Glycosylation via 1,2-Boronate Migration.

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.1c11842

Abstract: A novel protocol is established for the long-standing challenge of stereoselective geminal bisglycosylations of saccharides. The merger of PPh3 as a traceless glycosidic leaving group and 1,2-boronate migration enables the simultaneous introduction of C-C and… read more here.

Keywords: boronate migration; gem glycosylation; stereoselective gem; boronate ... See more keywords
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Concentration-directed morphological evolution of boronate ester-based dynamic covalent nanoparticles: a facile approach for size and shape control

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Published in 2018 at "Polymer Chemistry"

DOI: 10.1039/c7py02021j

Abstract: The birth-to-maturity trace of boronate nanoparticle formation derived from a couple of novel precursor monomers under homogeneous and mild conditions demonstrated a concentration-dependent nucleation and growth process and thus provided a facile approach for manipulation… read more here.

Keywords: boronate; facile approach; size shape; concentration ... See more keywords
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Formation of emissive nanoparticles from tetraphenylethylene-containing boronate macrocycles: preparation, characterization and functionalization

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Published in 2018 at "Journal of Materials Chemistry C"

DOI: 10.1039/c8tc03748e

Abstract: [2+2] Macrocycles composed of two tetraphenylethylenes (TPEs) and two linkers, namely 1a (R = H) and 1b (R = NO2), were prepared in a facile manner through the one-pot dehydration of gem-di(boronic acid)-appended TPEs 2a… read more here.

Keywords: emissive nanoparticles; nanoparticles tetraphenylethylene; tetraphenylethylene containing; boronate macrocycles ... See more keywords
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Chemometrics-assisted mechanism study of the room-temperature phosphorescence on nanoscopic boronate assemblies.

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Published in 2023 at "Chemical communications"

DOI: 10.1039/d2cc07049a

Abstract: Boronate assemblies, derived from benzene-1,4-diboronic acid, showed room-temperature phosphorescence (RTP) in both the solid-state and dispersions, being quite sensitive to the preparation conditions. Our chemometrics-assisted quantitative structure-property relationship (QSPR) analysis between the nanostructure and RTP… read more here.

Keywords: boronate assemblies; temperature phosphorescence; boronate; room temperature ... See more keywords
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Development of Enantioselective Lithium-Isothiourea-Boronate–Catalyzed Matteson Homologations

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Published in 2023 at "Synlett"

DOI: 10.1055/a-2099-6557

Abstract: Our group’s discovery of lithium-isothiourea-boronate–catalyzed Matteson homologations is chronicled. Chiral thiourea dual–hydrogen bond donors were initially found to promote enantioselective dichloromethyl boronate rearrangements, albeit with poor reproducibility. Systematic investigations of the fate of the thiourea… read more here.

Keywords: boronate; lithium; boronate catalyzed; isothiourea boronate ... See more keywords