Ni-Catalyzed C–C Bond Forming Cross-Coupling of Aryl/Alkyl Halides with a Quantum Dots Photocatalyst DOI
Yasuhiro Uozumi, Shintaro Okumura

Synfacts, Journal Year: 2023, Volume and Issue: 19(10), P. 1026 - 1026

Published: Sept. 14, 2023

Key words quantum dots - nickel catalysis photocatalysis electrophile cross-coupling

Language: Английский

Advancements in semiconductor quantum dots: expanding frontiers in optoelectronics, analytical sensing, biomedicine, and catalysis DOI
Jiban Mondal, R. A. S. Lamba,

Yukta Yukta

et al.

Journal of Materials Chemistry C, Journal Year: 2024, Volume and Issue: 12(28), P. 10330 - 10389

Published: Jan. 1, 2024

Different applications of semiconductor quantum dots with their unique fundamental properties.

Language: Английский

Citations

19
Electrochemical NiH‐Catalyzed C(sp3)−C(sp3) Coupling of Alkyl Halides and Alkyl Alkenes DOI Open Access
Pengfei Li,

Guangsheng Kou,

Tian Feng

et al.

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(44)

Published: Sept. 14, 2023

Herein, an electrochemically driven NiH-catalyzed reductive coupling of alkyl halides and alkenes for the construction Csp3 -Csp3 bonds is firstly reported. Notably, serve dual function as substrates hydrogen sources to generate NiH species under electrochemical conditions. The tunable nature this reaction realized by introducing intramolecular coordinating group substrate, where product can be easily adjusted give desired branched products. method proceeds mild conditions, exhibits a broad substrate scope, affords moderate excellent yields with over 70 examples, including late-stage modification natural products drug derivatives. Mechanistic insights offer evidence process. sp3 -carbon-halogen activated through single electron transfer (SET) nickel catalyst in its low valence state, generated cathodic reduction, generation from pivotal transformation.

Language: Английский

Citations

24
Cross-Electrophile Coupling: Principles, Methods, and Applications in Synthesis DOI Creative Commons
Lauren E. Ehehalt, Omar M. Beleh, Isabella C. Priest

et al.

Chemical Reviews, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 26, 2024

Cross-electrophile coupling (XEC), defined by us as the cross-coupling of two different σ-electrophiles that is driven catalyst reduction, has seen rapid progression in recent years. As such, this review aims to summarize field from its beginnings up until mid-2023 and provide comprehensive coverage on synthetic methods current state mechanistic understanding. Chapters are split type bond formed, which include C(sp

Language: Английский

Citations

13
Interfacial Charge Transfer Regulates Photoredox Catalysis DOI Creative Commons
Chen Ye, De-Shan Zhang, Bin Chen

et al.

ACS Central Science, Journal Year: 2024, Volume and Issue: 10(3), P. 529 - 542

Published: Feb. 26, 2024

Photoredox catalytic processes offer the potential for precise chemical reactions using light and materials. The central determinant is identified as interfacial charge transfer, which simultaneously engenders distinctive behavior in overall reaction. An in-depth elucidation of main mechanism highlighting complexity transfer can occur through both diffusive direct models, revealing its sophisticated design complex transformations. fundamental photophysics uncover these comprehensive applications a clue future development. This research contributes to growing body knowledge on photoredox catalysis sets stage further exploration this fascinating area research.

Language: Английский

Citations

12
Dual nickel- and photoredox-catalyzed carbon-carbon bond formations via reductive cross-coupling involving organohalides DOI

Hepan Wang,

Tao Xu

Chem Catalysis, Journal Year: 2024, Volume and Issue: 4(3), P. 100952 - 100952

Published: March 1, 2024

Language: Английский

Citations

8
Chromium‐Catalyzed Reductive Cross‐Coupling to Construct C−SS Bonds from Unactivated Alkyl Electrophiles DOI

Chao‐Peng Zhang,

Tian‐Zhang Wang,

Kang Wu

et al.

ChemCatChem, Journal Year: 2024, Volume and Issue: 16(15)

Published: March 15, 2024

Abstract Low‐valent chromium catalysts are cheap and less toxic compared to other transition metal catalysts. Here in, we reported a ligand‐free chromium(III)‐catalyzed manganese reductive cross‐coupling of unactivated alkyl electrophiles, such as sulfonates chlorides, with trisulfide dioxides thiolation agents form carbon−sulfur bonds. The powerful method featured ample substrate scope wide functional group tolerance, constructing large number unsymmetrical disulfides under simple conditions.

Language: Английский

Citations

7
Ni-catalyzed enantioconvergent deoxygenative reductive cross-coupling of unactivated alkyl alcohols and aryl bromides DOI Creative Commons

L Zhang,

Yu-Zhong Gao,

S. CAI

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: March 28, 2024

Abstract Transition metal-catalyzed enantioconvergent cross-coupling of an alkyl precursor presents a promising method for producing enantioenriched C(sp 3 ) molecules. Because alcohol is ubiquitous and abundant family feedstock in nature, the direct reductive coupling aryl halide enables efficient access to valuable compounds. Although several strategies have been developed overcome high bond dissociation energy C − O bond, asymmetric pattern remains unknown. In this report, we describe realization deoxygenative unactivated (β-hydroxy ketone) bromide presence NHC activating agent. The approach can accommodate substituents various sizes functional groups, its synthetic potency demonstrated through gram scale reaction derivatizations into other compound families. Finally, apply our convergent synthesis four β-aryl ketones that are natural products or bioactive

Language: Английский

Citations

7
Inorganic–Organic Dual-Ligand-Regulated Photocatalysis of CdS@ZnxCd1–xS@ZnS Quantum Dots for Lignin Valorization DOI
Yudong Guo,

Xiya Chen,

Yuxin Liu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(10), P. 12624 - 12636

Published: Feb. 29, 2024

In a dual-functional lignin valorization system, harmonious oxidation and reduction rate is prerequisite for high photocatalytic performance. Herein, an efficient facile ligand manipulating strategy to balance the redox reaction process exploited via decorating surface of CdS@Zn

Language: Английский

Citations

6
Visible-light-mediated Diels–Alder reactions under single-chain polymer confinement: investigating the role of the crosslinking moiety on catalyst activity DOI Creative Commons
Michael J. Spicuzza,

Shweta Gaikwad,

Steven Huss

et al.

Polymer Chemistry, Journal Year: 2024, Volume and Issue: 15(18), P. 1833 - 1838

Published: Jan. 1, 2024

Single-chain polymer nanoparticle photoredox catalysts are designed wherein spatial proximity enables the crosslinking acene to act as a redox mediator, thus achieving up 30-fold enhancement of catalyst activity in model Diels–Alder reaction.

Language: Английский

Citations

5
Quantum Dot Interface-Enabled Cross-Coupling Acylation by Direct Aldehyde Activation under Visible Light DOI

Xiao-Jun He,

Zan Liu, Chao Zhou

et al.

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: April 1, 2025

Cross-coupling acylation by direct aldehyde activation is ideal to construct a useful carbonyl motif. However, the strong C–H bond energy, short radical lifetime, and mismatched polarity render this reaction huge challenge. Herein, semiconductor quantum dots (QDs) interface demonstrated overcome obstacles lying on way acylating alkene or alkylarene, directly activating formyl into an acyl radical. Further stabilization of obtained species QD ensured their effective cross-coupling with generated intermediate from coupling partner. The QDs was exemplified execute photochemical transformation, showcasing highly efficient selective under extremely mild conditions.

Language: Английский

Citations

0