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   Articles with "sp3 sp2" as a keyword



Inclusion Strategy for Constructing S/N Orbital Hybridization-Regulated sp3/sp2 Carbon toward Boost Electrocatalysis.

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recommendations! Published in 2024 at "ChemSusChem"

DOI: 10.1002/cssc.202401267

Abstract: Metal-free carbon-based electrocatalysts have gained significant attention in the field of zinc-air batteries (ZABs) due to their affordability, good conductivity and chemical stability. However, unmodified carbon materials typically fall short in adsorbing and activating the… read more here.

Keywords: carbon; sp3 sp2; metal free; strategy ... See more keywords
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Comparison of group 14 elements in sp3 and sp2 environment by fragment structure energy analysis

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recommendations! Published in 2021 at "Journal of Computational Chemistry"

DOI: 10.1002/jcc.26718

Abstract: To explore the characteristics of group 14 elements in sp3 and sp2 hybrid environments systematically, the concept of fragment structure energy (FSE) was proposed through ab initio molecular orbital method. A fragment in this study… read more here.

Keywords: energy; group; group elements; environment ... See more keywords

Evidence for the production of hydroxyl radicals at boron-doped diamond electrodes with different sp3/sp2 ratios and its relationship with the anodic oxidation of aniline

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recommendations! Published in 2018 at "Electrochemistry Communications"

DOI: 10.1016/j.elecom.2018.03.007

Abstract: Abstract In this work, the electrochemical production of hydroxyl radicals on boron-doped diamond (BDD) electrodes with different sp3/sp2 ratios was studied, together with the relationship between the level of production of hydroxyl radicals and the… read more here.

Keywords: production hydroxyl; hydroxyl; diamond; hydroxyl radicals ... See more keywords

Acetylides for the Preparation of Phosphorescent Iridium(III) Complexes: Iridaoxazoles and Their Transformation into Hydroxycarbenes and N,C(sp3),C(sp2),O-Tetradentate Ligands

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recommendations! Published in 2022 at "Inorganic Chemistry"

DOI: 10.1021/acs.inorgchem.2c03522

Abstract: The preparation of three families of phosphorescent iridium(III) emitters, including iridaoxazole derivatives, hydroxycarbene compounds, and N,C(sp3),C(sp2),O-tetradentate containing complexes, has been performed starting from dimers cis-[Ir(μ2-η2-C≡CR){κ2-C,N-(MeC6H3-py)}2]2 (R = tBu (1a), Ph (1b)). Reactions of 1a with… read more here.

Keywords: iridium iii; sp3 sp2; sp2 tetradentate;

Ligand-Enabled Sequential C(sp3)-H and C(sp2)-H Diolefination Reaction via Palladium Catalyst.

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recommendations! Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.2c02502

Abstract: Palladium-catalyzed sequential C(sp3)-H and C(sp2)-H bond diolefination reaction of o-toluidine has been realized for the first time using acetyl-protected aminoethyl phenyl thioether ligands. This novel reaction allows for preparation of the conjugated diene structure via… read more here.

Keywords: diolefination reaction; sequential sp3; diolefination; reaction ... See more keywords

Photocatalytic C(sp3)-P and C(sp2)-P Bond Formation via a Phosphorus Radical Cation.

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recommendations! Published in 2024 at "Organic letters"

DOI: 10.1021/acs.orglett.4c03184

Abstract: A straightforward method for the phosphorylation of electron-deficient alkenes and aryl alkynes has been developed, leading to C(sp3)-P and C(sp2)-P bond formation. This process involves the generation of phosphorus radical cation intermediates through the photocatalyzed… read more here.

Keywords: sp2 bond; sp3 sp2; bond formation; phosphorus radical ... See more keywords

Total Synthesis of Jerangolid B via sp3–sp2 Stille Coupling

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recommendations! Published in 2025 at "Organic Letters"

DOI: 10.1021/acs.orglett.5c02569

Abstract: First isolated from So ce 307, jerangolids are a class of natural products with high antifungal activity and minimal toxicity toward mammals. Comprised of a skipped diene substructure with a chiral center in between a… read more here.

Keywords: sp2 stille; synthesis jerangolid; sp3 sp2; stille coupling ... See more keywords
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B-Alkyl sp3-sp2 Suzuki-Miyaura Couplings under Mild Aqueous Micellar Conditions.

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recommendations! Published in 2018 at "Organic letters"

DOI: 10.1021/acs.orglett.8b00961

Abstract: Use of B-sp3-alkyl reagents for Suzuki-Miyaura couplings under aqueous micellar catalysis conditions is reported. Studies as to substrate scope, use in a four-step one-pot sequence, and reaction medium recycling exemplify the synthetic utility of this… read more here.

Keywords: couplings mild; miyaura couplings; alkyl sp3; aqueous micellar ... See more keywords
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Dealkenylative Thiylation of C(sp3)-C(sp2) Bonds.

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recommendations! Published in 2019 at "Organic letters"

DOI: 10.1021/acs.orglett.9b03186

Abstract: Carbon-carbon bond fragmentations are useful methods for the functionalization of molecules. The value of such cleavage events is maximized when paired with subsequent bond formation. Herein we report a protocol for the cleavage of an… read more here.

Keywords: sp3; bond; dealkenylative thiylation; thiylation sp3 ... See more keywords

Photocatalytic Methylation of Nonactivated sp3 and sp2 C–H Bonds Using Methanol on GaN

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recommendations! Published in 2020 at "ACS Catalysis"

DOI: 10.1021/acscatal.0c00881

Abstract: Although the development of C-H functionalization methods has enlightened many new reactivities in chemistry, the direct functionalization of unactivated C-H bonds, which are particularly common in... read more here.

Keywords: methylation nonactivated; nonactivated sp3; bonds using; photocatalytic methylation ... See more keywords

C–H Functionalization of Imidazo[1,5-a]pyridines: A Metal-Free Approach for Methylene Insertion to Access C(sp2)–C(sp3)–H–C(sp2) Bond Formation

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recommendations! Published in 2024 at "ACS Omega"

DOI: 10.1021/acsomega.4c03823

Abstract: Formaldehyde has been used as a solvent and a source of carbon to insert a methylene group for bridging two imidazo[1,5-a]pyridine molecules without using any metal catalysis. This strategy has been extended on other alkyl-,… read more here.

Keywords: sp2 bond; sp3 sp2; imidazo; sp2 sp3 ... See more keywords