Articles with "sp2 sp3" as a keyword



Photo from wikipedia

N‐Doped sp2/sp3 Carbon Derived from Carbon Dots to Boost the Performance of Ruthenium for Efficient Hydrogen Evolution Reaction

Sign Up to like & get
recommendations!
Published in 2022 at "Small Methods"

DOI: 10.1002/smtd.202200637

Abstract: The structure and properties of the carrier significantly affect the catalytic activity of the active centers for supported electrocatalysts. Therefore, elaborate design and regulation of the physicochemical properties of carbon carriers are essential to improve… read more here.

Keywords: sp2 sp3; carbon; doped sp2; activity ... See more keywords
Photo from wikipedia

C568: A new two-dimensional sp2-sp3 hybridized allotrope of carbon

Sign Up to like & get
recommendations!
Published in 2020 at "Carbon"

DOI: 10.1016/j.carbon.2019.11.062

Abstract: Abstract Using first-principles calculations, we designed a new two-dimensional sp2−sp3 hybridized allotrope of carbon. This allotrope is made up of 5-6-8 carbon rings thus, known as C568. C568 is an indirect semiconductor with a band… read more here.

Keywords: sp2 sp3; carbon; allotrope; c568 ... See more keywords
Photo from wikipedia

Multicolor carbon dots: Induced by sp2-sp3 hybridized domains and their application in ion detection and WLED

Sign Up to like & get
recommendations!
Published in 2021 at "Optical Materials"

DOI: 10.1016/j.optmat.2021.111064

Abstract: Abstract The heteroatom doping to achieve carbon dots has played a crucial part in exploring the fluorescence mechanism of multicolor emissions, which is closely related with the application development of such materials. Herein, a facile… read more here.

Keywords: sp3 hybridized; hybridized domains; carbon dots; multicolor ... See more keywords
Photo by bermixstudio from unsplash

Copper-Catalyzed Functionalization of Aza-Aromatic Rings with Fluoroalcohols via Direct C(sp2)-H/C(sp3)-H Coupling Reactions.

Sign Up to like & get
recommendations!
Published in 2020 at "Organic letters"

DOI: 10.1021/acs.orglett.0c00797

Abstract: An efficient copper-catalyzed direct C(sp2)-H/C(sp3)-H coupling reaction of aza-aromatic rings with fluoroalcohols is developed. A variety of useful building blocks including hydroxyfluoroalkylated aniline, pyrrole, and indole derivatives bearing a quaternary carbon center could be constructed… read more here.

Keywords: sp2 sp3; sp3 coupling; aromatic rings; direct sp2 ... See more keywords
Photo by morbo from unsplash

Palladium-Catalyzed Chemoselective Oxygenation of C(sp2)-H and C(sp3)-H Bonds in Isatins.

Sign Up to like & get
recommendations!
Published in 2023 at "Organic letters"

DOI: 10.1021/acs.orglett.3c00342

Abstract: The palladium-catalyzed chemoselective C(sp2)-H and C(sp3)-H bond oxygenation of substituted isatin derivatives is reported. This mild protocol exhibits the C5 C(sp2)-H oxygenation of isatins through electrophilic intermolecular C-H palladation in concentrated solutions using PhI(OAc)2 or… read more here.

Keywords: sp2 sp3; palladium catalyzed; oxygenation; catalyzed chemoselective ... See more keywords
Photo from wikipedia

A Cheap and Efficient Oxidant (n-Bu)4NNO3-Enabled C(sp2)- and C(sp3)-H Olefination at Room Temperature.

Sign Up to like & get
recommendations!
Published in 2023 at "Organic letters"

DOI: 10.1021/acs.orglett.3c00621

Abstract: To further promote the widely practical application of C-H activation, developing green and mild reaction conditions has invariably been the objective of researchers, especially when it comes to remote C-H activation reactions. Herein, we report… read more here.

Keywords: sp3 olefination; room temperature; sp2 sp3;
Photo by bermixstudio from unsplash

Metal-Free Sequential C(sp2)-H/OH and C(sp3)-H Aminations of Nitrosoarenes and N-Heterocycles to Ring-Fused Imidazoles.

Sign Up to like & get
recommendations!
Published in 2017 at "Organic letters"

DOI: 10.1021/acs.orglett.7b00832

Abstract: Hydrogen bond assisted ortho-selective C(sp2)-H amination of nitrosoarenes and subsequent α-C(sp3)-H functionalization of aliphatic amines is achieved under metal-free conditions. The annulation of nitrosoarenes and 2-hydroxy-C-nitroso compounds with N-heterocycles provides a facile excess to a… read more here.

Keywords: sp2 sp3; free sequential; ring fused; sequential sp2 ... See more keywords
Photo by wulcan from unsplash

Development of a sp2-sp3 Stille Cross-Coupling for Rapid Synthesis of HIV NNRTI Doravirine Analogues.

Sign Up to like & get
recommendations!
Published in 2017 at "Organic letters"

DOI: 10.1021/acs.orglett.7b01142

Abstract: The development of a C(sp2)-C(sp3) cross-coupling reaction for rapid, parallel synthesis of analogues of two HIV NNRTI clinical candidates is described. This method allowed easy access to the C-ring space using a practical alkylation with… read more here.

Keywords: sp2 sp3; development sp2; hiv nnrti; cross coupling ... See more keywords
Photo by thanti_riess from unsplash

Cobalt-Catalyzed C(sp2)-C(sp3) Suzuki-Miyaura Cross-Coupling Enabled by Well-Defined Precatalysts with L,X-Type Ligands.

Sign Up to like & get
recommendations!
Published in 2022 at "ACS catalysis"

DOI: 10.1021/acscatal.1c05586.s004

Abstract: Cobalt(II) halides in combination with phenoxy-imine (FI) ligands generated efficient precatalysts in situ for the C(sp2)-C(sp3) Suzuki-Miyaura cross coupling between alkyl bromides and neopentylglycol (hetero)arylboronic esters. The protocol enabled efficient C-C bond formation with a… read more here.

Keywords: sp2 sp3; cobalt; cross coupling; suzuki miyaura ... See more keywords
Photo by johnschno from unsplash

Micelle-Enabled Palladium Catalysis for Convenient sp2-sp3 Coupling of Nitroalkanes with Aryl Bromides in Water Under Mild Conditions

Sign Up to like & get
recommendations!
Published in 2017 at "ACS Catalysis"

DOI: 10.1021/acscatal.7b02663

Abstract: The efficacy of custom surfactant FI-750-M, designed to mimic polar solvents such as DMF and 1,4-dioxane, has been demonstrated with the palladium-catalyzed sp2-sp3 coupling of nitroalkanes to aryl bromides using a heteroleptic palladium catalyst under… read more here.

Keywords: sp2 sp3; sp3 coupling; aryl bromides; mild conditions ... See more keywords
Photo from wikipedia

sp2/sp3 Hybridized Carbon as an Anode with Extra Li-Ion Storage Capacity: Construction and Origin

Sign Up to like & get
recommendations!
Published in 2020 at "ACS Central Science"

DOI: 10.1021/acscentsci.0c00593

Abstract: Doping in carbon anodes can introduce active sites, usually leading to extra capacity in Li-ion batteries (LIBs), but the underlying reasons have not been uncovered deeply. Herein, the dodecahedral carbon framework (N-DF) with a low… read more here.

Keywords: sp2 sp3; carbon; capacity; ion ... See more keywords