Advances in Cross-Coupling Reactions

Sestelo, José Pérez; Sarandeses, Luis A.

doi:10.3390/molecules25194500

Cited by 27 publications

(9 citation statements)

References 36 publications

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“…Among the numerous varieties of synthetic techniques for organic compounds and conjugated polymers, cross-coupling reactions stand amongst the most important in chemistry. These reactions are a highly valuable powerful tool employed to prepare a diverse variety of organic compounds, from synthetic and natural bioactive compounds to new organic compounds and conjugated polymers, in all fields of chemistry [74]. These are reactions involving the reaction between an organometallic reagent (Ar 1 -M) with an unsaturated organic halide (Ar 2 -X) or pseudohalide using transition metal complexes, such as palladium and nickel as catalysts for C(sp 2 )-C(sp 2 ) hybridized bond formation [74][75][76][77].…”

Section: Metal-catalyzed Cross-coupling Reactionsmentioning

confidence: 99%

“…These reactions are a highly valuable powerful tool employed to prepare a diverse variety of organic compounds, from synthetic and natural bioactive compounds to new organic compounds and conjugated polymers, in all fields of chemistry [74]. These are reactions involving the reaction between an organometallic reagent (Ar 1 -M) with an unsaturated organic halide (Ar 2 -X) or pseudohalide using transition metal complexes, such as palladium and nickel as catalysts for C(sp 2 )-C(sp 2 ) hybridized bond formation [74][75][76][77]. The well-known, mostly used, and recognized cross-coupling polymerization methods are the Suzuki-Miyaura, Stille, and Kumada using nucleophilic reagents such as organoboron, organotin, and aryl Grignard reagents, respectively.…”

Section: Metal-catalyzed Cross-coupling Reactionsmentioning

confidence: 99%

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π-Conjugated Polymers and Their Application in Organic and Hybrid Organic-Silicon Solar Cells

et al. 2022

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The evolution and emergence of organic solar cells and hybrid organic-silicon heterojunction solar cells have been deemed as promising sustainable future technologies, owing to the use of π-conjugated polymers. In this regard, the scope of this review article presents a comprehensive summary of the applications of π-conjugated polymers as hole transporting layers (HTLs) or emitters in both organic solar cells and organic-silicon hybrid heterojunction solar cells. The different techniques used to synthesize these polymers are discussed in detail, including their electronic band structure and doping mechanisms. The general architecture and principle of operating heterojunction solar cells is addressed. In both discussed solar cell types, incorporation of π-conjugated polymers as HTLs have seen a dramatic increase in efficiencies attained by these devices, owing to the high transmittance in the visible to near-infrared region, reduced carrier recombination, high conductivity, and high hole mobilities possessed by the p-type polymeric materials. However, these cells suffer from long-term stability due to photo-oxidation and parasitic absorptions at the anode interface that results in total degradation of the polymeric p-type materials. Although great progress has been seen in the incorporation of conjugated polymers in the various solar cell types, there is still a long way to go for cells incorporating polymeric materials to realize commercialization and large-scale industrial production due to the shortcomings in the stability of the polymers. This review therefore discusses the progress in using polymeric materials as HTLs in organic solar cells and hybrid organic-silicon heterojunction solar cells with the intention to provide insight on the quest of producing highly efficient but less expensive solar cells.

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Section: Metal-catalyzed Cross-coupling Reactionsmentioning

confidence: 99%

Section: Metal-catalyzed Cross-coupling Reactionsmentioning

confidence: 99%

π-Conjugated Polymers and Their Application in Organic and Hybrid Organic-Silicon Solar Cells

et al. 2022

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“…Cross-coupling reactions, which traditionally involve transition metals, are one of the most significant chemical processes in synthetic organic chemistry. [1][2][3][4] A cross-coupling reaction is specified as the substitution process of alkyl, vinyl, and aryl halides or pseudohalides by carbon as well heteroatom-based nucleophiles under transition-metal (TM) catalysis, leading to the efficient construction of new C-C and C-X (X = hetero atoms) bonds. Often, an electrophile (e.g., halide) and a nucleophile (e.g., organometallic regent) serve as coupling partners, forming new chemical bonds with the loss of activating groups.…”

Section: Cross-cou Plingmentioning

confidence: 99%

mentioning

confidence: 99%

Recent Applications on Dual-Catalysis for C–C and C–X Cross-Coupling Reactions

Kishore¹,

Sreenivasulu²,

Dapkekar³

et al. 2022

SynOpen

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Coupling reactions stand amid the most significant reactions in synthetic organic chemistry. Of late, these coupling strategies are being viewed as a versatile synthetic tool for a wide range of organic transformations in many sectors of chemistry, ranging from indispensable synthetic scaffolds and natural products of biological significance to novel organic materials. Further, the usage of dual-catalysis in accomplishing various interesting cross-coupling transformations is an emerging field in synthetic organic chemistry, owing to their high catalytic performance rather than the usage of a single catalyst. In recent years, synthetic organic chemists have given considerable attention to hetero-dual catalysis, wherein these catalytic systems have been employed for the construction of versatile carbon-carbon [C(sp3)–C(sp3), C(sp3)–C(sp2), C(sp2)–C(sp2), etc.] and carbon-heteroatom (C-N, C-O, C-P, C-S, etc.) bonds. Therefore, in this mini-review, we are emphasizing recently developed various cross-coupling reactions catalysed by transition-metal dual-catalysis (i.e., using palladium and copper catalysts, and by omitting the reports on photoredox/metal catalysis).

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“…The celebrated transition metal-catalyzed cross-coupling reactions have received overwhelming attention in various branches of chemical sciences. 1–3 Although the preparation of organometallic reagents is a prerequisite to accomplish traditional cross-coupling reactions, they are vital features of modern organic synthesis. 1–3 In recent years, the concept of transition metal-catalyzed direct functionalization of C–H bonds of small organic molecules has received immense attention.…”

Section: Introductionmentioning

confidence: 99%

Pd(ii)-catalyzed coupling of C–H bonds of carboxamides with iodoazobenzenes toward modified azobenzenes

2023

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Advances in Cross-Coupling Reactions

Abstract: Cross-coupling reactions stand among the most important reactions in chemistry [...]

Cited by 27 publications

References 36 publications

π-Conjugated Polymers and Their Application in Organic and Hybrid Organic-Silicon Solar Cells

π-Conjugated Polymers and Their Application in Organic and Hybrid Organic-Silicon Solar Cells

Recent Applications on Dual-Catalysis for C–C and C–X Cross-Coupling Reactions

Pd(ii)-catalyzed coupling of C–H bonds of carboxamides with iodoazobenzenes toward modified azobenzenes

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