Articles with "chiral carbon" as a keyword



Ab initio calculation of nonlinear optical properties for chiral carbon nanotubes. Second harmonic generation and dc-Pockels effect

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Published in 2018 at "Theoretical Chemistry Accounts"

DOI: 10.1007/s00214-017-2187-7

Abstract: Although the static first hyperpolarizability $$\beta$$β of graphene and chiral carbon nanotubes (CNTs) vanishes by symmetry, that is no longer true for frequency-dependent fields in which case there is a unique nonzero component. We evaluate… read more here.

Keywords: harmonic generation; carbon nanotubes; chiral carbon; effect ... See more keywords

Photoluminescent chiral carbon dots derived from glutamine

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Published in 2021 at "Chinese Chemical Letters"

DOI: 10.1016/j.cclet.2021.05.021

Abstract: ABSTRACT The integration of luminescence and chirality in carbon dots (CDs) encourages candidates to explore novel functions and applications of CDs, however, the preparation of chiral CDs is very limited. Herein, we report a hydrothermal… read more here.

Keywords: photoluminescent chiral; chiral carbon; chiral cds; dots derived ... See more keywords

Synthesis of Armchair and Chiral Carbon Nanobelts

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Published in 2019 at "Chem"

DOI: 10.1016/j.chempr.2019.01.004

Abstract: Summary Carbon nanobelts that consist of a loop of fully fused benzene rings are long-standing and challenging targets of organic synthesis and are key steps toward the ultimate synthesis of uniform carbon nanotubes (CNTs) of… read more here.

Keywords: chiral carbon; armchair chiral; synthesis armchair; carbon nanobelts ... See more keywords

Rhodium-Catalyzed Desymmetric Arylation of γ,γ-Disubsituted Cyclohexadienones: Asymmetric Synthesis of Chiral All-Carbon Quaternary Centers.

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Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.2c00225

Abstract: The desymmetric arylation of prochiral cyclohexadienones with ArZnCl in the presence of an (R)-segphos-rhodium catalyst gave high yields of the corresponding cyclohexenones, which contain a chiral arylated carbon center at the β-position and a chiral… read more here.

Keywords: carbon; chiral carbon; carbon quaternary; rhodium catalyzed ... See more keywords

Enantioselective and Band-Gap Modulation in Photocatalysis of Metal-Free Chiral Carbon Dots.

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Published in 2024 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.4c02003

Abstract: Photodriven chiral catalysis is the combination of photocatalysis and chiral catalysis and is considered one of the cleanest and most efficient methods for the synthesis of chiral compounds or drugs. Furthermore, due to the potential… read more here.

Keywords: chiral carbon; carbon dots; metal free; chiral cds ... See more keywords

Aggregation-induced red shift in N,S-doped chiral carbon dot emissions for moisture sensing

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Published in 2019 at "New Journal of Chemistry"

DOI: 10.1039/c9nj03009c

Abstract: Herein, we report aggregation induced red shifted emissions in N,S-doped chiral carbon dots for moisture sensing in common organic solvents and commercial products. read more here.

Keywords: moisture sensing; chiral carbon; aggregation induced; induced red ... See more keywords

Pd-Catalyzed umpolung asymmetric allylic alkylation of hydrazones to vicinal tertiary and quaternary chiral carbon centers.

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Published in 2022 at "Chemical communications"

DOI: 10.1039/d1cc07074f

Abstract: Diastereo- and enantioselective construction of vicinal tertiary and quaternary carbon centers is a great challenge in synthetic chemistry. Herein, we report a facile and efficient protocol to construct vicinal tertiary and quaternary chiral carbon centers… read more here.

Keywords: quaternary chiral; chiral carbon; carbon centers; vicinal tertiary ... See more keywords

Chiral carbon dots - a functional domain for tyrosinase Cu active site modulation via remote target interaction.

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Published in 2022 at "Nanoscale"

DOI: 10.1039/d1nr07236f

Abstract: The nano-hybrid enzyme is an ideal catalytic system that integrates various advantages from biocatalysis and nanocatalysis into homogeneous and heterogeneous catalysis. However, great efforts are still needed to fully understand the interactions between nanoparticles and… read more here.

Keywords: via remote; chiral carbon; remote target; functional domain ... See more keywords

Tartaric acid-derived chiral carbon nanodots for catalytic enantioselective ring-opening reactions of styrene oxide.

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Published in 2024 at "Chemical communications"

DOI: 10.1039/d4cc04119d

Abstract: Chiral carbon nanodots (CNDs) were fabricated through the hydrothermal processing of sulfanilic acid and chiral tartaric acid, exhibiting outstanding catalytic performance for the chiral catalysis of the ring-opening reaction. Furthermore, the catalytic mechanism was proposed… read more here.

Keywords: chiral carbon; carbon nanodots; ring opening; tartaric acid ... See more keywords

Chiral carbon nanostructures: a gateway to promising chiral materials

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Published in 2024 at "Journal of Materials Chemistry A"

DOI: 10.1039/d4ta02396j

Abstract: A summary and discussion on the recent research advances in chiral carbon materials based on various carbon nanomaterials. read more here.

Keywords: promising chiral; chiral carbon; gateway promising; carbon ... See more keywords

Chiral Carbon Paste Electrode with (+)-TCA/Graphene for Voltammetric Discrimination of Tryptophan Isomers

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Published in 2025 at "Journal of The Electrochemical Society"

DOI: 10.1149/1945-7111/adcfcb

Abstract: We report for the first time the application of intrinsic chirality of RRRR (+) - (18-Crown-6) - 2, 3, 11, 12- tetra carboxylic acid ((+) TCA) along with graphene nanosheets (GN) in a chiral carbon… read more here.

Keywords: chiral carbon; tca; carbon paste; voltammetric discrimination ... See more keywords