Heterogeneous Photocatalytic Organic Transformation Reactions Using Conjugated Polymers-Based Materials

Xiao, Jie; Liu, Xianlong; Pan, Lun; Shi, Chengxiang; Zhang, Xiangwen; Zou, Ji‐Jun

doi:10.1021/acscatal.0c03480

Cited by 225 publications

(120 citation statements)

References 181 publications

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“…In this context, heterogeneous photocatalysts including semiconductors (TiO 2 , CdS) and conjugate polymers are investigated in recent photocatalysis for the synthesis of indole derivatives. [128,130,133,197] Heterogeneous photocatalysts have the advantages of recyclability, low cost, structural diversity, and high chemical stability, which are promising alternatives to homogenous photocatalysts. In all, we hope that this review will help to increase the interest and understanding in the photo-catalyzed-/promoted synthesis of indole and its derivatives for the researchers.…”

Section: Discussionmentioning

confidence: 99%

Recent Developments in Photo‐Catalyzed/Promoted Synthesis of Indoles and Their Functionalization: Reactions and Mechanisms

2020

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The use of clean and renewable light sources is increasingly common in organic synthesis due to its safety, practicality and economy. Recently, photoredox catalysis has shown great application values in organic transformations because of its advantages of environmentally friendly and abundant resources. Indoles and their derivatives (indolines, oxindoles and isatins) are the core skeletons of some important organic compounds and widely‐present in various natural products and pharmaceuticals with different biological activities. Therefore, the research on the synthesis and modification of indoles is particularly important for chemists and pharmacologists. This review summarizes the effects of photocatalysis on indole synthesis and modification in recent decades. These transformations are accomplished by using metal photocatalysts (i. e., Ir, Ru, Ni, Cu, Fe, Au, Rh, TiO2, etc.) or non‐metallic photocatalysts (i. e., Rose Bengal, Eosin Y, quinones, naphthols, N‐heterocyclic carbenes, carbazoles, pyrylium salts, etc.), or without the need of photocatalysts. The detailed mechanisms of these photo‐catalyzed/promoted organic reactions are also highlighted deeply. And we hope this review will be helpful to researchers interested in this promising field of photocatalyzed transformations.

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Section: Discussionmentioning

confidence: 99%

Recent Developments in Photo‐Catalyzed/Promoted Synthesis of Indoles and Their Functionalization: Reactions and Mechanisms

2020

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“…The conjugated microporous polymers can consist of the classical photosensitizers, such as porphyrines or phthalocyanines, but structures such as thiophene, perylene or carbazole, commonly studied in the organic electronics, can also serve as CMPs’ building blocks [ 110 , 111 ]. CMPs are obtained in numerous types of coupling or condensation reactions and the chosen synthetic methodology influences optical, redox and morphological properties of the catalyst [ 112 ]. From the morphological point of view, several parameters of CMPs have to be well-defined, such as the crystallographic structure characterized by X-ray Diffraction (XRD) or the pore size and the specific surface area that are typically investigated by, e.g., nitrogen sorption measurements ( Figure 10 ).…”

Section: Conjugated Polymers As 1 O 2mentioning

confidence: 99%

New Approach in the Application of Conjugated Polymers: The Light-Activated Source of Versatile Singlet Oxygen Molecule

Blacha–Grzechnik

2021

Materials

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For many years, the research on conjugated polymers (CPs) has been mainly focused on their application in organic electronics. Recent works, however, show that due to the unique optical and photophysical properties of CPs, such as high absorption in UV–Vis or even near-infrared (NIR) region and efficient intra-/intermolecular energy transfer, which can be relatively easily optimized, CPs can be considered as an effective light-activated source of versatile and highly reactive singlet oxygen for medical or catalytic use. The aim of this short review is to present the novel possibilities that lie dormant in those exceptional polymers with the extended system of π-conjugated bonds.

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“…Conjugated polymers are a series of organic materials with the delocalized π-conjugated systems and broad application prospects in photocatalytic transformations, such as photocatalytic H 2 evolution [50,51], CO 2 reduction [52,53], pollutant removal [54][55][56][57], and organic synthesis [58]. Rouch et al [59] prepared the conjugated polymer poly-(pphenylene) via the Yamamoto coupling reaction (Fig.…”

Section: Synthesis With Porous Catalystsmentioning

confidence: 99%

Photocatalytic Synthesis of High-Energy-Density Fuel: Catalysts, Mechanisms, and Challenges

Xiao

Zhang

Pan

et al. 2021

Trans. Tianjin Univ.

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High-energy-density liquid hydrocarbon fuels are generally synthesized using various chemical reactions to improve the performance (e.g., range, load, speed) of aerospace vehicles. Compared with conventional fuels, such as aviation kerosene and rocket kerosene, these liquid hydrocarbon fuels possess the advantages of high-energy-density and high volumetric calorific value; therefore, the fuels have important application value. The photocatalytic process has shown great potential for the synthesis of a diverse range of fuels on account of its unique properties, which include good efficiency, clean atomic economy, and low energy consumption. These characteristics have led to the emergence of the photocatalytic process as a promising complement and alternative to traditional thermocatalytic reactions for fuel synthesis. Extensive effort has been made toward the construction of catalysts for the multiple photocatalytic syntheses of high-energy-density fuels. In this review, we aim to summarize the research progress on the photocatalytic synthesis of high-energy-density fuel by using homogeneous and heterogeneous catalytic reactions. Specifically, the synthesis routes, catalysts, mechanistic features, and future challenges for the photocatalytic synthesis of high-energy-density fuel are described in detail. The highlights of this review not only promote the development of the photocatalytic synthesis of high-energy-density fuel but also expand the applications of photocatalysis to other fields. Graphic abstract

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Heterogeneous Photocatalytic Organic Transformation Reactions Using Conjugated Polymers-Based Materials

Cited by 225 publications

References 181 publications

Recent Developments in Photo‐Catalyzed/Promoted Synthesis of Indoles and Their Functionalization: Reactions and Mechanisms

Recent Developments in Photo‐Catalyzed/Promoted Synthesis of Indoles and Their Functionalization: Reactions and Mechanisms

New Approach in the Application of Conjugated Polymers: The Light-Activated Source of Versatile Singlet Oxygen Molecule

Photocatalytic Synthesis of High-Energy-Density Fuel: Catalysts, Mechanisms, and Challenges

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