Review
Chemistry, Physical
Yuming Li, Shuting Fu, Qiyang Zhang, Hongyu Liu, Yajun Wang
Summary: This article summarizes the preparation and application of gallium-based catalysts in the catalytic conversion of light alkanes. It describes different conversion routes, discusses preparation methods, and explores current limitations and future perspectives.
Article
Chemistry, Analytical
Qiu-Yue Cheng, Ting Wang, Jun Hu, Hong-Yuan Chen, Jing-Juan Xu
Summary: Visible-light-mediated heterogeneous photocatalysis is a promising method for organic transformations. However, accurately detecting and identifying photogenerated species, especially short-lived radical intermediates, remains challenging. In this work, a hybrid ion emitter integrated with a pico-liter heterogeneous photocatalytic reactor was developed for the rapid identification of transient radical intermediates produced under visible-light irradiation. This novel coupling device provides a powerful tool for exploring complex heterogeneous photochemical processes and their ultrafast initial transformations.
ANALYTICAL CHEMISTRY
(2023)
Review
Biochemistry & Molecular Biology
Filip S. Meger, John A. Murphy, Fawaz Aldabbagh
Summary: The functionalisation of C-H bonds has been a significant advancement in synthetic methodology, allowing for new retrosynthetic disconnections and providing simple synthetic equivalents for synthons. Hydrogen atom transfer (HAT) has emerged as a powerful synthetic tool, thanks to recent developments in photoredox catalysis and electrochemistry. These developments have enabled the introduction of various functional groups into C-H bonds and the development of more site-selective protocols.
Review
Chemistry, Inorganic & Nuclear
Xinlong Yao, Zhenchao Zhao, Guangjin Hou
Summary: High-resolution magic angle spinning (MAS) NMR provides qualitative and quantitative information of solid, liquid, and gas phases at the atomic level, which is vital for understanding material crystallization and catalytic reaction mechanisms in situ/operando conditions. To meet the experimental conditions for material synthesis and catalytic reactions, in situ MAS NMR techniques have been developed with high sensitivity at higher temperatures and pressures. This article briefly outlines the development of this technology and discusses its detailed applications in understanding material synthesis and heterogeneous catalysis.
CHINESE JOURNAL OF STRUCTURAL CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
M. Angeles Fuentes, Riccardo Gava, Noam Saper, Erik Romero, Ana Caballero, John F. Hartwig, Pedro J. Perez
Summary: This study reports a dehydrogenative coupling reaction to form N-alkyl amides by reacting amides with C1-C4 hydrocarbons, using tBuOOtBu as oxidant and a copper complex as catalyst. The reactions showed good yields in benzene or supercritical carbon dioxide as solvents. Compared to previous studies on larger alkanes, the reactivity in this amination process correlated with bond dissociation energies.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Organic
Alberto Lanfranco, Polyssena Renzi, Marco Rusconi, Annamaria Deagostino
Summary: Carboranes are unique and versatile compounds with excellent stability and various chemical properties. They have found wide applications in fields such as smart materials, bioisosters, and BNCT agents. Recent studies have focused on the reactivity of carboranes under UV-visible light, leading to the preparation of functionalized carboranes and expanding their applications.
TETRAHEDRON LETTERS
(2023)
Article
Engineering, Chemical
Yani Guan, Donovan Chaffart, Guihua Liu, Zhaoyang Tan, Dongsheng Zhang, Yanji Wang, Jingde Li, Luis Ricardez-Sandoval
Summary: The recent application of machine learning in the development of new heterogeneous catalysts has shown significant progress in establishing relationships between material properties and catalytic performance, improving efficiency in design and screening guidelines. However, accurate prediction of high-performance catalysts still presents challenges.
CHEMICAL ENGINEERING SCIENCE
(2022)
Review
Chemistry, Applied
Zanjila Azeem, Pintu Kumar Mandal
Summary: In the past fifteen years, visible-light photocatalysis and metal/photoredox dual catalysis have emerged as leading approaches in organic synthesis and carbohydrate chemistry. They have allowed for new transformations and improved existing reactions under mild conditions, using readily available light sources and stable precursors, all while meeting the principles of green chemistry and sustainable development. This thorough review summarizes the latest developments in visible-light-promoted photocatalytic glycosylation reactions, including those driven by single or dual photoredox catalysis and electron donor-acceptor (EDA) complexes.
ADVANCED SYNTHESIS & CATALYSIS
(2023)
Review
Engineering, Environmental
Soheil Abdpour, Rafael M. Santos
Summary: Supercritical water processes, including SCWO and SCWG, are promising green technologies for solid waste and wastewater management, as well as clean renewable energy production. The use of catalysts can improve reaction performance, such as treating biomass in SCWO processes and increasing selectivity for desirable gas products in SCWG processes. Metal oxide catalysts have been found to enhance SCWO of biomass, while transition metal catalysts are more commonly used for SCWG of biomass in SCW compared to other types of catalysts.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2021)
Review
Thermodynamics
Joshua Iseoluwa Orege, Olayinka Oderinde, Ghebretensae Aron Kifle, Adeola Ahmed Ibikunle, Saheed Abiola Raheem, Onome Ejeromedoghene, Emmanuel Sunday Okeke, Olubunmi Michael Olukowi, Odunola Blessing Orege, Emmanuel Oluwaseyi Fagbohun, Taiwo Oladapo Ogundipe, Esther Praise Avor, Omoyemi Oluwatosin Ajayi, Michael Olawale Daramola
Summary: Heterogeneous catalysis provides a viable alternative for low-cost biodiesel production, and catalytic transesterification is considered the most feasible synthesis method. Nine commonly used heterogeneous catalysts have been studied, with a focus on versatile catalysts with high activity and low production cost.
ENERGY CONVERSION AND MANAGEMENT
(2022)
Article
Chemistry, Multidisciplinary
Arjun Vijeta, Carla Casadevall, Souvik Roy, Erwin Reisner
Summary: Ni-deposited mesoporous graphitic carbon nitride (Ni-mpg-CNx) is introduced as an inexpensive, robust, easily synthesizable and recyclable material that functions as an integrated dual photocatalytic system. It overcomes the limitations of traditional reactions by providing new opportunities for dual catalysis.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Review
Chemistry, Multidisciplinary
Yan Wan, Jong-Min Lee
Summary: The catalytic conversion of 5-hydroxymethylfufural (HMF) holds great promise for producing valuable chemicals and reducing dependence on fossil feedstocks. The reductive upgrading of HMF has shown potential to produce monomers and liquid fuel additives. Thermocatalytic conversion has advantages over photocatalysis and electrocatalysis in productivity. Research focuses on catalyst design, reaction conditions, and mechanisms.
Article
Chemistry, Multidisciplinary
Li Ma, Xianang Gao, Xin Liu, Xiaojun Gu, Baoying Li, Beibei Mao, Zeyuan Sun, Wei Gao, Xiaofei Jia, Jianbin Chen
Summary: Organic electrosynthesis, as a green and advantageous alternative to traditional synthetic methods, has made remarkable progress in recent years by using sustainable electricity as traceless redox agents. To overcome the issues of over-oxidation/reduction in direct electrolysis, mediated or indirect electrochemical processes have become increasingly important and have improved product selectivity. Heterogeneous catalysts, with their high activity, stability, and recyclability, have received more attention compared to molecular electrocatalysts. In this review, the recent progress in heterogeneous catalysts modified electrodes for organic electrosynthesis is summarized, focusing on structural optimization, electrochemical performance, and reaction mechanisms. Key challenges and future directions in this field are also discussed.
CHINESE CHEMICAL LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Shiyan Cheng, Qianyu Li, Xiuliang Cheng, Yu-Mei Lin, Lei Gong
Summary: This review summarizes recent progress in asymmetric reactions of alkanes and cycloalkanes, focusing on the generation of stereocenters and stereogenic centers. Elegant catalytic strategies are discussed, which enable selective recognition of C-H bonds at specific positions while maintaining high levels of stereoselectivity.
CHINESE JOURNAL OF CHEMISTRY
(2022)
Review
Engineering, Environmental
Weixiao Wang, Shunzheng Zhao, Xiaolong Tang, Chaoqi Chen, Honghong Yi
Summary: This paper provides an overview of the applications, catalytic mechanisms, reactor designs, challenges, and outlook of electrothermal catalysis. It aims to help researchers better understand electrothermal synergistic catalysis phenomena and advance the exploration of electrothermal catalysis.
CHEMICAL ENGINEERING JOURNAL
(2023)
Review
Chemistry, Multidisciplinary
Dan He, Yawen Li, Fuwen Zhao, Yuze Lin
Summary: High trap density in organic solar cells leads to localized charge carriers and reduced carrier lifetime, limiting device efficiency. This feature article summarizes the recent advances of trap suppression by material design and device engineering.
CHEMICAL COMMUNICATIONS
(2024)
Review
Chemistry, Multidisciplinary
Olivier Monfort, Arshitha Madhusudhan, Martin Motola
Summary: This article presents the advantages of coupling photocatalysis and Fenton-based processes for environmental remediation and discusses their synergy. It critically examines the simultaneous triggering of these two processes and provides insights into research approaches. The study aims to enhance understanding of this complex process and highlight the potential integration of new catalysts in current wastewater treatment technology.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Manideepa Dhar, Chittaranjan Mishra, Avijit Das, Uttam Manna
Summary: An approach of 'polymerization of monomers in its aggregated form' has been introduced to tailor the water wettability of fibrous and porous substrates, achieving hydrophobicity to superhydrophobicity transition, as well as patterned wettability. This facile chemical method provides a durable coating with adjustable and patterned wettability for various potential applications.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Saswat Ranjan Bhoi, Chhanda Debnath, Shikha Gandhi
Summary: In this article, a novel catalytic reaction using Pd(0) and Bronsted acid is reported for the synthesis of biologically important imidazolidinone-fused N-heterocycles through redox-neutral intramolecular N-allylation of indoles and pyrroles with alkynes. This atom-economical method is applicable to a wide range of substrates and eliminates the need for leaving groups or oxidizing agents commonly used in traditional allylation reactions.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Longkun Chen, Mingshuai Zhang, Meichen Liu, Zhuoyuan Liu, Yuetong Qiu, Zhilai Zhang, Fuchao Yu, Jiuzhong Huang
Summary: In this study, an efficient Rh(III)-catalyzed selective mono- and dual-C-H bond functionalization/cyclization with iodonium ylide as the sole coupling partner was demonstrated. Fused benzodiazepine skeletons were obtained in excellent yields, providing an improved approach to dual C-H unsymmetrical functionalization.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Alice Kennett, Sven Epple, Gabriella van der Valk, Irene Georgiou, Evelyne Gout, Romain R. Vives, Angela J. Russell
Summary: This study presents the design and synthesis of sulfated disaccharide inhibitors based on IdoA(2S)-GlcNS(6S), which showed potent inhibition of Sulf-2. The results suggest that IdoA(2S)-GlcNS(6S) is the shortest fragment size required for effective inhibition of Sulfs, and a trisulfated disaccharide is identified as the minimal fragment size of heparan sulfate for effective endosulfatase inhibition.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Mauro Garbini, Andrea Brunetti, Riccardo Pedrazzani, Magda Monari, Massimo Marcaccio, Giulio Bertuzzi, Marco Bandini
Summary: The self-adaptability of galvanostatic electrolysis was found to be helpful in a multistage chemo- and diastereoselective electrochemically promoted cyclodimerization of chalcones. Through a series of reductive events, densely functionalized cyclopentanes with five contiguous stereocenters were obtained (25 examples, yields up to 95%, dr values up to >20:1). Further experimental and electrochemical investigations indicated the crucial role of dynamic kinetic resolution of the aldol intermediate in the reaction mechanism.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Dhananjay S. Nipate, Neha Meena, Prakash N. Swami, Krishnan Rangan, Anil Kumar
Summary: In this study, the synthesis of functionalized benzo[a]phenazines and indazolo[2,3-a]quinolines was achieved through Rh(III)-catalyzed oxidative annulation of 2-arylquinoxalines and 2-aryl-2H-indazoles with allyl alcohols. The method showed a wide substrate scope, excellent functional group tolerance, good to high yields of annulated products, and the capability for scaled-up synthesis. A tentative mechanism of the annulation reaction was proposed based on a preliminary mechanistic investigation.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Ruonan Zhang, Abudukadi Tudi, Xia Yang, Xuping Wang, Zhihua Yang, Shujuan Han, Shilie Pan
Summary: A new lead tellurium borate material with a unique fundamental building block [B4O10] was synthesized and found to exhibit high birefringence. The structure-property relationship was discussed using first-principles calculations.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Amresh Kumar Singh, Baishali Thakurta, Anupam Giri, Monalisa Pal
Summary: This study introduces three key concepts for the quick synthesis of large-scale high-quality 2D materials films and their utilization in device fabrication.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Reina Hagiwara, Shun Nishimura, Kosuke Okeyoshi
Summary: A copolymer-conjugated nanocatalytic system has been developed to improve electron transfer and enhance photoinduced H2 generation.
CHEMICAL COMMUNICATIONS
(2024)