1
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Vannoy KJ, Edwards MQ, Renault C, Dick JE. An Electrochemical Perspective on Reaction Acceleration in Microdroplets. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2024; 17:149-171. [PMID: 38594942 DOI: 10.1146/annurev-anchem-061622-030919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
Analytical techniques operating at the nanoscale introduce confinement as a tool at our disposal. This review delves into the phenomenon of accelerated reactivity within micro- and nanodroplets. A decade of accelerated reactivity observations was succeeded by several years of fundamental studies aimed at mechanistic enlightenment. Herein, we provide a brief historical context for rate enhancement in and around micro- and nanodroplets and summarize the mechanisms that have been proposed to contribute to such extraordinary reactivity. We highlight recent electrochemical reports that make use of restricted mass transfer to enhance electrochemical reactions and/or quantitatively measure reaction rates within droplet-confined electrochemical cells. A comprehensive approach to nanodroplet reactivity is paramount to understanding how nature takes advantage of these systems to provide life on Earth and, in turn, how to harness the full potential of such systems.
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Affiliation(s)
- Kathryn J Vannoy
- 1Department of Chemistry, Purdue University, West Lafayette, Indiana, USA;
| | | | - Christophe Renault
- 1Department of Chemistry, Purdue University, West Lafayette, Indiana, USA;
- 2Current Address: Department of Chemistry and Biochemistry, Loyola University Chicago, Chicago, Illinois, USA
| | - Jeffrey E Dick
- 1Department of Chemistry, Purdue University, West Lafayette, Indiana, USA;
- 3Elmore Family School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana, USA
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2
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Rodriguez HM, Martyniuk M, Iyer KS, Ciampi S. Insulator-on-Conductor Fouling Amplifies Aqueous Electrolysis Rates. J Am Chem Soc 2024; 146:10299-10311. [PMID: 38591156 DOI: 10.1021/jacs.3c11238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
The chemical industry is a major consumer of fossil fuels. Several chemical reactions of practical value proceed with the gain or loss of electrons, opening a path to integrate renewable electricity into chemical manufacturing. However, most organic molecules have low aqueous solubility, causing green and cheap electricity-driven reactions to suffer from intrinsically low reaction rates in industry's solvent of choice: water. Here, we show that a strategic, partial electrode fouling with hydrophobic insulators (oils and plastics) offsets kinetic limitations caused by poor reactant solubility, opening a new path for the direct integration of renewable electricity into the production of commodity chemicals. Through electrochemiluminescence microscopy, we reveal for the oxidation of organic reactants up to 6-fold reaction rate increase at the "fouled" oil-electrolyte-electrode interface relative to clean electrolyte-electrode areas. Analogously, electrodes partially masked (fouled) with plastic patterns, deposited either photolithographically (photoresists) or manually (inexpensive household glues and sealants), outperform clean electrodes. The effect is not limited to reactants of limited water solubility, and, for example, net gold electrodeposition rates are up to 22% larger at fouled than clean electrodes. In a system involving a surface-active reactant, rate augmentation is driven by the synergy between insulator-confined reactant enrichment and insulator-induced current crowding, whereas only the latter and possibly localized decrease in iR drop near the insulator are relevant in a system composed of non-surface-active species. Our counterintuitive electrode design enhances electrolysis rates despite the diminished area of intimate electrolyte-electrode contact and introduces a new path for upscaling aqueous electrochemical processes.
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Affiliation(s)
- Harry Morris Rodriguez
- School of Molecular and Life Sciences, Curtin University, Bentley, Western Australia 6102, Australia
| | - Mariusz Martyniuk
- Department of Electrical, Electronic and Computer Engineering, The University of Western Australia, Crawley, Western Australia 6009, Australia
| | - Killugudi Swaminathan Iyer
- School of Molecular Sciences, The University of Western Australia, Crawley, Western Australia 6009, Australia
| | - Simone Ciampi
- School of Molecular and Life Sciences, Curtin University, Bentley, Western Australia 6102, Australia
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3
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López-Sosa L, Calaminici P. Cycloaddition reactions via "on water" protocol reactions: A density functional theory study. J Comput Chem 2024; 45:595-609. [PMID: 38054389 DOI: 10.1002/jcc.27268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 11/09/2023] [Accepted: 11/11/2023] [Indexed: 12/07/2023]
Abstract
In this work, the reactions of quadricyclane with dimethyl azodicarboxylate (DMAD) and of quadricyclane with diethyl azodicarboxylate (DEAD) in gas phase and in water environments were studied by a first-principles investigation within the framework of auxiliary density functional theory (ADFT). For these type of organic reactions is known that water is required to accelerate them. Since the reason of why this occur is still unknown, this work aims to gain insight into this reaction mechanism. For this investigation, the generalized gradient approximation as well as a hybrid functional were employed. The obtained optimized structures for the reactants, of the products and of the transition states are reported, together with the corresponding frequency analysis results and the reaction profiles. Along the proposed concerted reaction mechanism, a critical points search of the electron density and a charge analysis were performed. The calculated potential energy barriers of these reactions in gas phase and in water environments are compared. In agreement with experiment, the obtained results indicate that both reactions occur faster in water than in gas phase. This study shows that there is a change in the polarity of the two most important carbon atoms of the formed compounds along the reactions and that the decrease of the activation energy barrier which occurs in liquid phase in these reactions is because the structures of the main transition states are stabilized by the water environment. Therefore, the here obtained results demonstrate the important role played by the water-molecule framework into the activation energy barrier and structures of the molecules that participate in the DMAD and DEAD cycloaddition reactions.
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Affiliation(s)
- L López-Sosa
- Departamento de Química, CINVESTAV, Av. Instituto Politécnico Nacional 2508, México, Mexico
| | - P Calaminici
- Departamento de Química, CINVESTAV, Av. Instituto Politécnico Nacional 2508, México, Mexico
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4
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Yadav A, Ambule MD, Srivastava AK. Catalyst-free anti-Markovnikov hydroamination and hydrothiolation of vinyl heteroarenes in aqueous medium: an improved process towards centhaquine. Org Biomol Chem 2024; 22:1721-1726. [PMID: 38318984 DOI: 10.1039/d3ob02046k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Catalyst-free hydroamination and hydrothiolation of alkenes have been achieved in an aqueous medium. The anti-Markovnikov addition works efficiently in suspended water at room temperature and allows straightforward access to centhaquine, a drug used for the management of hypovolemic shocks in critically ill patients, and its derivatives. Various primary and secondary amines, thiols, and hydrazides were successfully reacted with a number of heteroaryl/aryl-alkenes. The scalability of the process has been demonstrated by synthesizing centhaquine at a 19.65 g scale. A comparative analysis of the present process with previous approaches has been provided on the basis of green chemistry metrics.
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Affiliation(s)
- Anamika Yadav
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow-226031, India.
- Chemical Sciences Division, Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Mayur D Ambule
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow-226031, India.
- Chemical Sciences Division, Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Ajay Kumar Srivastava
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow-226031, India.
- Chemical Sciences Division, Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
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5
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Kwan V, Consta S, Malek SMA. Variation of Surface Propensity of Halides with Droplet Size and Temperature: The Planar Interface Limit. J Phys Chem B 2024; 128:193-207. [PMID: 38127582 DOI: 10.1021/acs.jpcb.3c05701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
The radial number density profiles of halide and alkali ions in aqueous clusters with equimolar radius ≲1.4 nm, which correspond to ≲255 H2O molecules, have been extensively studied by computations. However, the surface abundance of Cl-, Br-, and I- relative to the bulk interior in these smaller clusters may not be representative of the larger systems. Indeed, here we show that the larger the cluster is, the lower the relative surface abundance of chaotropic halides is. In droplets with an equimolar radius of ≈2.45 nm, which corresponds to ≈2000 H2O molecules, the polarizable halides show a clear number density maximum in the droplet's bulk-like interior. A similar pattern is observed in simulations of the aqueous planar interface with halide salts at room temperature. At elevated temperature the surface propensity of Cl- decreases gradually, while that of I- is partially preserved. The change in the chaotropic halide location at higher temperatures than the room temperature may considerably affect photochemical reactivity in atmospheric aerosols, vapor-liquid nucleation and growth mechanisms, and salt crystallization via solvent evaporation. We argue that the commonly used approach of nullifying parameters in a force field in order to find the factors that determine the ion location does not provide transferable insight into other force fields.
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Affiliation(s)
- Victor Kwan
- Department of Chemistry, The University of Western Ontario, London, ON, Canada N6A 5B7
| | - Styliani Consta
- Department of Chemistry, The University of Western Ontario, London, ON, Canada N6A 5B7
| | - Shahrazad M A Malek
- Department of Physics and Physical Oceanography, Memorial University of Newfoundland, St. John's, NL, Canada A1B 3X7
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6
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Ricard TC, Zhu X, Iyengar SS. Capturing Weak Interactions in Surface Adsorbate Systems at Coupled Cluster Accuracy: A Graph-Theoretic Molecular Fragmentation Approach Improved through Machine Learning. J Chem Theory Comput 2023. [PMID: 38019639 DOI: 10.1021/acs.jctc.3c00955] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
The accurate and efficient study of the interactions of organic matter with the surface of water is critical to a wide range of applications. For example, environmental studies have found that acidic polyfluorinated alkyl substances, especially perfluorooctanoic acid (PFOA), have spread throughout the environment and bioaccumulate into human populations residing near contaminated watersheds, leading to many systemic maladies. Thus, the study of the interactions of PFOA with water surfaces became important for the mitigation of their activity as pollutants and threats to public health. However, theoretical study of the interactions of such organic adsorbates on the surface of water, and their bulk concerted properties, often necessitates the use of ab initio methods to properly incorporate the long-range electronic properties that govern these extended systems. Notable theoretical treatments of "on-water" reactions thus far have employed hybrid DFT and semilocal DFT, but the interactions involved are weak interactions that may be best described using post-Hartree-Fock theory. Here, we aim to demonstrate the utility of a graph-theoretic approach to molecular fragmentation that accurately captures the critical "weak" interactions while maintaining an efficient ab initio treatment of the long-range periodic interactions that underpin the physics of extended systems. We apply this graph-theoretical treatment to study PFOA on the surface of water as a model system for the study of weak interactions seen in the wide range of surface interactions and reactions. The approach divides a system into a set of vertices, that are then connected through edges, faces, and higher order graph theoretic objects known as simplexes, to represent a collection of locally interacting subsystems. These subsystems are then used to construct ab initio molecular dynamics simulations and for computing multidimensional potential energy surfaces. To further improve the computational efficiency of our graph theoretic fragmentation method, we use a recently developed transfer learning protocol to construct the full system potential energy from a family of neural networks each designed to accurately model the behavior of individual simplexes. We use a unique multidimensional clustering algorithm, based on the k-means clustering methodology, to define our training space for each separate simplex. These models are used to extrapolate the energies for molecular dynamics trajectories at PFOA water interfaces, at less than one-tenth the cost as compared to a regular molecular fragmentation-based dynamics calculation with excellent agreement with couple cluster level of full system potential energies.
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Affiliation(s)
- Timothy C Ricard
- Department of Chemistry and Department of Physics, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Xiao Zhu
- Department of Chemistry and Department of Physics, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Srinivasan S Iyengar
- Department of Chemistry and Department of Physics, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, United States
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7
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Pang Q, Zuo WF, Zhang Y, Li X, Han B. Recent Advances on Direct Functionalization of Indoles in Aqueous Media. CHEM REC 2023; 23:e202200289. [PMID: 36722727 DOI: 10.1002/tcr.202200289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/15/2023] [Indexed: 02/02/2023]
Abstract
Indoles and their derivatives have dominated a significant proportion of nitrogen-containing heterocyclic compounds and play an essential role in synthetic and medicinal chemistry, pesticides, and advanced materials. Compared with conventional synthetic strategies, direct functionalization of indoles provides straightforward access to construct diverse indole scaffolds. As we enter an era emphasizing green and sustainable chemistry, utilizing environment-friendly solvents represented by water demonstrates great potential in synthesizing valuable indole derivatives. This review aims to depict the critical aspects of aqueous-mediated indoles functionalization over the past decade and discusses the future challenges and prospects in this fast-growing field. For the convenience of readers, this review is classified into three parts according to the bonding modes (C-C, C-N, and C-S bonds), which focus on the diversity of indole derivatives, the prominent role of water in the chemical process, and the types of catalyst systems and mechanisms. We hope this review can promote the sustainable development of the direct functionalization of indoles and their derivatives and the discovery of novel and practical organic methods in aqueous phase.
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Affiliation(s)
- Qiwen Pang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Wei-Fang Zuo
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Yang Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Xiang Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Bo Han
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
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8
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Chakraborty S, Paul B, Natarajan R, Hossain J, Majumdar S. Ecofriendly Approach for the Large‐Scale Synthesis of 4‐Unsubstituted Coumarin‐3‐carboxylic Acids from o‐Hydroxy‐araldehydes with Meldrum's Acid in the Water‐SDS Micellar System. ChemistrySelect 2023. [DOI: 10.1002/slct.202204128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Sourav Chakraborty
- Department of Chemistry Tripura University Suryamaninagar 799 022 Tripura India
| | - Bhaswati Paul
- CSIR-Indian Institute of Chemical Biology 4, Raja S. C. Mullick Road Jadavpur Kolkata 700032 India
| | - Ramalingam Natarajan
- CSIR-Indian Institute of Chemical Biology 4, Raja S. C. Mullick Road Jadavpur Kolkata 700032 India
| | - Jewel Hossain
- Department of Chemistry Ramthakur College Agartala 799 003 India
| | - Swapan Majumdar
- Department of Chemistry Tripura University Suryamaninagar 799 022 Tripura India
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9
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Ghosh J, Mendoza J, Cooks RG. Accelerated and Concerted Aza-Michael Addition and SuFEx Reaction in Microdroplets in Unitary and High-Throughput Formats. Angew Chem Int Ed Engl 2022; 61:e202214090. [PMID: 36253886 PMCID: PMC10099520 DOI: 10.1002/anie.202214090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Indexed: 11/12/2022]
Abstract
The sulfur fluoride exchange (SuFEx) reaction is significant in drug discovery, materials science, and chemical biology. Conventionally, it involves installation of SO2 F followed by fluoride exchange by a catalyst. We report catalyst-free Aza-Michael addition to install SO2 F and then SuFEx reaction with amines, both occurring in concert, in microdroplets under ambient conditions. The microdroplet reaction is accelerated by a factor of ∼104 relative to the corresponding bulk reaction. We suggest that the superacidic microdroplet surface assists SuFEx reaction by protonating fluorine to create a good leaving group. The reaction scope was established by performing individual reactions in microdroplets of 18 amines in four solvents and confirmed using high-throughput desorption electrospray ionization experiments. The study demonstrates the value of microdroplet-assisted accelerated reactions in combination with high-throughput experimentation for characterization of reaction scope.
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Affiliation(s)
- Jyotirmoy Ghosh
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN 47907, USA
| | - Joshua Mendoza
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN 47907, USA
| | - R Graham Cooks
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN 47907, USA
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10
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Park JH, Lee SB, Koo BJ, Bae HY. β-Aminosulfonyl Fluorides via Water-Accelerated N-Heterocyclic Carbene Catalysis. CHEMSUSCHEM 2022; 15:e202201000. [PMID: 35799476 DOI: 10.1002/cssc.202201000] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 07/06/2022] [Indexed: 06/15/2023]
Abstract
Herein, a water-accelerated, N-heterocyclic carbene (NHC)-catalyzed aza-Michael addition reaction was reported to access β-aminosulfonyl fluorides, which are key hubs of the sulfur(VI) fluoride exchange (SuFEx) reaction. As a crucial reaction medium, water considerably enhanced the reaction rate with excellent chemo- and site-selectivity (up to >99 : 1) compared to conventional solvents. In addition, the late-stage ligation of bioactive molecules with the aliphatic β-amino SuFEx hub was demonstrated. Mechanistic studies on experimental, analytical, and computational approaches support noncovalent activation over NHC catalysis "on-water".
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Affiliation(s)
- Jin Hyun Park
- Department of Chemistry, Sungkyunkwan University, Suwon, 16419 (Republic of, Korea
| | - Sun Bu Lee
- Department of Chemistry, Sungkyunkwan University, Suwon, 16419 (Republic of, Korea
| | - Byeong Jun Koo
- Department of Chemistry, Sungkyunkwan University, Suwon, 16419 (Republic of, Korea
| | - Han Yong Bae
- Department of Chemistry, Sungkyunkwan University, Suwon, 16419 (Republic of, Korea
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11
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Lee SB, Park JH, Bae HY. Hydrophobic Amplification Enabled High-Turnover Phosphazene Superbase Catalysis. CHEMSUSCHEM 2022; 15:e202200634. [PMID: 35638148 DOI: 10.1002/cssc.202200634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/26/2022] [Indexed: 06/15/2023]
Abstract
β-Sulfido sulfonyl fluoride and its derivatives have been gaining attention recently in the fields of medicinal chemistry and material science. The conventional method for the synthesis of functionalized alkyl sulfonyl fluorides requires several chemical transformations. Therefore, a direct establishment of such chemical structures remains challenging, and an efficient catalytic approach is highly desired. Herein a significant "on-water" hydrophobic amplification was achieved, enabling a high-turnover catalytic thia-Michael addition to produce unprecedented β-arylated-β-sulfido sulfonyl fluorides. Amounts as low as 100 ppm (0.01 mol %) of the phosphazene superbase were sufficient to successfully catalyze the reaction with excellent chemo-/site-selectivity and with optimal functional group tolerance. Several β-arylated ethene sulfonyl fluorides were converted into thia-Michael adducts up to >99 % yields. The mild conditions, high turnover, neutral pH, and scalability of the sustainable catalytic process benefit the preparation of potential pharmaceuticals (e. g., polyisoprenylated methylated protein methyl esterase inhibitors) and organic materials (e. g., electrolyte additives).
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Affiliation(s)
- Sun Bu Lee
- Department of Chemistry, Sungkyunkwan University 2066, Seobu-ro, Jangan-gu, Suwon, 16419, Republic of Korea
| | - Jin Hyun Park
- Department of Chemistry, Sungkyunkwan University 2066, Seobu-ro, Jangan-gu, Suwon, 16419, Republic of Korea
| | - Han Yong Bae
- Department of Chemistry, Sungkyunkwan University 2066, Seobu-ro, Jangan-gu, Suwon, 16419, Republic of Korea
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12
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Zhang Q, Xu Y, Liang X, Ke Z. Amphiphilic Indoles as Efficient Phase-Transfer Catalysts for Bromination in Water. CHEMSUSCHEM 2022; 15:e202200574. [PMID: 35404501 DOI: 10.1002/cssc.202200574] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 04/09/2022] [Indexed: 06/14/2023]
Abstract
Brominated compounds are important, but they are usually prepared in organic solvents. Here, efficient amphiphilic indole-based phase-transfer organocatalysts were developed for environmentally benign bromination reactions in water. As test reactions, hydroxybromination of olefins and aromatic bromination could be conducted in a greener and more sustainable manner compared with methods using organic solvents, producing the corresponding bromides in good yields. Some pure products could be obtained without column chromatography.
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Affiliation(s)
- Qingyu Zhang
- School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, 518172, Guangdong, P. R. China
| | - Yongyuan Xu
- School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, 518172, Guangdong, P. R. China
| | - Xiaochen Liang
- School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, 518172, Guangdong, P. R. China
| | - Zhihai Ke
- School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, 518172, Guangdong, P. R. China
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13
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Kumar A, Dhameliya TM, Sharma K, Patel KA, Hirani RV. Environmentally Benign Approaches towards the Synthesis of Quinolines. ChemistrySelect 2022. [DOI: 10.1002/slct.202201059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Asim Kumar
- Amity Institute of Pharmacy Amity University Haryana, Panchgaon, Manesar 122 413 Haryana India
| | - Tejas M. Dhameliya
- Department of Pharmaceutical Chemistry and Quality Assurance L. M. College of Pharmacy, Navrangpura, Ahmedabad 380 009 Gujarat India
| | - Kirti Sharma
- Amity Institute of Pharmacy Amity University Haryana, Panchgaon, Manesar 122 413 Haryana India
| | - Krupa A. Patel
- Department of Pharmaceutical Chemistry and Quality Assurance L. M. College of Pharmacy, Navrangpura, Ahmedabad 380 009 Gujarat India
| | - Rajvi V. Hirani
- Department of Pharmaceutical Chemistry and Quality Assurance L. M. College of Pharmacy, Navrangpura, Ahmedabad 380 009 Gujarat India
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14
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Franov LJ, Hart JD, Pullella GA, Sumby CJ, George JH. Bioinspired Total Synthesis of Erectones A and B, and the Revised Structure of Hyperelodione D. Angew Chem Int Ed Engl 2022; 61:e202200420. [PMID: 35225410 PMCID: PMC9314102 DOI: 10.1002/anie.202200420] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Indexed: 12/22/2022]
Abstract
The field of biomimetic synthesis seeks to apply biosynthetic hypotheses to the efficient construction of complex natural products. This approach can also guide the revision of incorrectly assigned structures. Herein, we describe the evolution of a concise total synthesis and structural reassignment of hyperelodione D, a tetracyclic meroterpenoid derived from a Hypericum plant, alongside some biogenetically related natural products, erectones A and B. The key step in the synthesis of hyperelodione D forms six stereocentres and three rings in a bioinspired cascade reaction that features an intermolecular Diels-Alder reaction, an intramolecular Prins reaction and a terminating cycloetherification.
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Affiliation(s)
- Liam J. Franov
- Department of ChemistryUniversity of AdelaideAdelaideSA 5000Australia
| | - Jacob D. Hart
- Department of ChemistryUniversity of AdelaideAdelaideSA 5000Australia
| | - Glenn A. Pullella
- Department of ChemistryUniversity of AdelaideAdelaideSA 5000Australia
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15
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Cera G, Maestri G. Palladium/Brønsted Acid Catalysis for Hydrofunctionalizations of Alkynes: from Tsuji‐Trost Allylations to Stereoselective Methodologies. ChemCatChem 2022. [DOI: 10.1002/cctc.202200295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Gianpiero Cera
- Universita degli Studi di Parma Dipartimento delle Scienze Chimiche, della Vita e della Sostenibilità Ambientale Parco Area delle Scienze, 17/A 43124 Parma ITALY
| | - Giovanni Maestri
- University of Parma: Universita degli Studi di Parma Dipartimento delle Scienze Chimiche, della Vita e della Sostenibilità Ambientale Parco Area delle Scienze, 17/A 43124 Parma ITALY
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16
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Franov LJ, Hart JD, Pullella GA, Sumby CJ, George JH. Bioinspired Total Synthesis of Erectones A and B, and the Revised Structure of Hyperelodione D. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Liam J. Franov
- Department of Chemistry University of Adelaide Adelaide SA 5000 Australia
| | - Jacob D. Hart
- Department of Chemistry University of Adelaide Adelaide SA 5000 Australia
| | - Glenn A. Pullella
- Department of Chemistry University of Adelaide Adelaide SA 5000 Australia
| | | | - Jonathan H. George
- Department of Chemistry University of Adelaide Adelaide SA 5000 Australia
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17
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Nugent TC, Vos AE, Hussain I, El Damrany Hussein HA, Goswami F. A 2000 to 2020 Practitioner's Guide to Chiral Amine‐Based Enantioselective Aldol Reactions: Ketone Substrates, Best Methods, in Water Reaction Environments, and Defining Nuances. European J Org Chem 2022. [DOI: 10.1002/ejoc.202100529] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Thomas C. Nugent
- Department of Life Sciences and Chemistry Jacobs University Bremen 28759 Bremen Germany
| | - Alice E. Vos
- Department of Life Sciences and Chemistry Jacobs University Bremen 28759 Bremen Germany
| | - Ishtiaq Hussain
- Department of Pharmacy Abbottabad University of Science and Technology Havelian Abbottabad 22010 Pakistan
| | | | - Falguni Goswami
- Department of Life Sciences and Chemistry Jacobs University Bremen 28759 Bremen Germany
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18
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Arginine‐Catalyzed Henry Reaction of α‐Keto Amides with Nitromethane on Water. ChemistrySelect 2022. [DOI: 10.1002/slct.202104433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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19
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Qin X, Wu C, Lu F, Wang Z, Jiang J, Liu H. The Aldol Reaction of α‐Ketoamide with α,β‐Unsaturated Ketone in KOH Aqueous Medium. ChemistrySelect 2022. [DOI: 10.1002/slct.202104146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xin Qin
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou China
- College of Life and Environmental Science Wenzhou University Wenzhou China
| | - Chaofei Wu
- Department of Chemistry Chonnam National University Gwangju, Republic of Korea
| | - Fanyun Lu
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou China
| | | | - Jun Jiang
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou China
| | - Hongxin Liu
- College of Chemistry and Materials Engineering Wenzhou University Wenzhou China
- Institute of New Materials & Industrial Technology Wenzhou University Wenzhou China
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20
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Prince, Kumar S, Lalji RSK, Gupta M, Kumar P, Kumar R, Singh BK. Sustainable C–H activation approach for palladium-catalyzed, regioselective functionalization of 1-methyl-3-phenyl quinoxaline-2(1 H)-ones in water. Org Biomol Chem 2022; 20:8944-8951. [DOI: 10.1039/d2ob01451c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
An environment-friendly approach for regioselective acylation of 1-methyl-3-phenyl quinoxaline-2(1H)-ones was developed using water as a solvent. The protocol exhibits a wide substrate scope and employs commercially available, non-toxic acyl surrogates.
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Affiliation(s)
- Prince
- Bio-organic Research Laboratory, Department of Chemistry, University of Delhi, Delhi-110007, India
- Department of Chemistry, Nanak Chand Anglo Sanskrit College, Meerut, Uttar Pradesh-250001, India
| | - Sandeep Kumar
- Bio-organic Research Laboratory, Department of Chemistry, University of Delhi, Delhi-110007, India
| | - Ram Sunil Kumar Lalji
- Bio-organic Research Laboratory, Department of Chemistry, University of Delhi, Delhi-110007, India
- Department of Chemistry, Kirori-Mal College, Delhi University, Delhi-110007, India
| | - Mohit Gupta
- Bio-organic Research Laboratory, Department of Chemistry, University of Delhi, Delhi-110007, India
- Department of Chemistry, L.N.M.S. College, Birpur, Supaul, Bihar-854340, India
| | - Prashant Kumar
- Bio-organic Research Laboratory, Department of Chemistry, University of Delhi, Delhi-110007, India
- Department of Chemistry, SRM University, Delhi-NCR Sonepat, Haryana-131029, India
| | - Ravindra Kumar
- CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh-226031, India
| | - Brajendra K. Singh
- Bio-organic Research Laboratory, Department of Chemistry, University of Delhi, Delhi-110007, India
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21
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Abstract
This short overview describes the historical development of the physics and chemistry of organic solvents and solutions from the alchemist era until the present time based on some carefully selected examples that can be considered landmarks in the history of solution chemistry.
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Affiliation(s)
- Christian Reichardt
- Fachbereich Chemie, Philipps-Universität, Hans-Meerwein-Strasse 4, 35032 Marburg, Germany
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22
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Luo N, Ao YF, Wang DX, Wang QQ. π-Face Promoted Catalysis in Water: From Electron-deficient Molecular Cages to Single Aromatic Slides. Chem Asian J 2021; 16:3599-3603. [PMID: 34464026 DOI: 10.1002/asia.202100920] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 08/30/2021] [Indexed: 12/13/2022]
Abstract
Exploiting noncovalent π-interactions particularly emerging anion-π interactions to drive efficient catalysis is fascinating. Even with exciting progresses, can anion-π activation operate in water remains elusive. Here we report the design, synthesis and catalytic studies of a class of water-soluble electron-deficient molecular cages and relevant aromatic slide compounds. The prism-like cages contain three divided, long, cationic aromatic walls which constitute three highly electron-deficient V-shape cavities. They were efficiently synthesized in two steps from a parent triformyl cage in gram-scale. Crystal structure showed the π-walls bind to the counter bromide through strong anion-π interactions. Just 5 mol% of cages were effective in catalyzing decarboxylative Aldol reactions of aldehydes and malonic acid half thioesters in water but not in organic solvents, showing a pronounced hydrophobic amplification effect. Meantime, a series of single π-slides resembling the π-wall of the cage performed equally well, while those lacking an extended π-surface were ineffective, highlighting the essential role of electron-deficient π-face on promoting the conversion.
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Affiliation(s)
- Na Luo
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yu-Fei Ao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - De-Xian Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Qi-Qiang Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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23
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Moura A, Gaglieri C, Alarcon RT, Ferreira LT, Vecchi R, Sanches MLR, Oliveira RC, Venturini J, Silva‐Filho LC, Junior Caires F. A New Curcuminoids‐Coumarin Derivative: Mechanochemical Synthesis, Characterization and Evaluation of Its In Vitro Cytotoxicity and Antimicrobial Properties. ChemistrySelect 2021. [DOI: 10.1002/slct.202103359] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Aniele Moura
- School of Sciences Chemistry Department UNESP São Paulo State University Bauru 17033-260 SP Brazil
| | - Caroline Gaglieri
- School of Sciences Chemistry Department UNESP São Paulo State University Bauru 17033-260 SP Brazil
| | - Rafael Turra Alarcon
- School of Sciences Chemistry Department UNESP São Paulo State University Bauru 17033-260 SP Brazil
| | | | - Rafael Vecchi
- Medicine School Tropical Diseases and Imaging Diagnosis UNESP-São Paulo State University Botucatu 18618-687 SP Brazil
| | - Mariana Liessa Rovis Sanches
- Bauru School of Dentistry Department of Biological Sciences USP-University of São Paulo Bauru 17011-220 SP Brazil
| | - Rodrigo Cardoso Oliveira
- Bauru School of Dentistry Department of Biological Sciences USP-University of São Paulo Bauru 17011-220 SP Brazil
| | - James Venturini
- Medicine School Tropical Diseases and Imaging Diagnosis UNESP-São Paulo State University Botucatu 18618-687 SP Brazil
- Medicine School UFMS- Mato Grosso do Sul Federal University Campo Grande 79070-900 MS Brazil
| | - Luiz Carlos Silva‐Filho
- School of Sciences Chemistry Department UNESP São Paulo State University Bauru 17033-260 SP Brazil
| | - Flávio Junior Caires
- School of Sciences Chemistry Department UNESP São Paulo State University Bauru 17033-260 SP Brazil
- Institute of Chemistry UNESP-São Paulo State University Araraquara 14800-900 SP Brazil
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24
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Sun S, Gao B, Chen J, Sharpless KB, Dong J. Fluorosulfuryl Isocyanate Enabled SuFEx Ligation of Alcohols and Amines. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105583] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shoujun Sun
- Key Laboratory of Organofluorine Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry Chinese Academy of Sciences University of Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 P. R. China
| | - Bing Gao
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics College of Chemistry and Chemical Engineering Hunan University Changsha Hunan 410082 P. R. China
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Junyu Chen
- Key Laboratory of Organofluorine Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry Chinese Academy of Sciences University of Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 P. R. China
| | - K. Barry Sharpless
- Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Jiajia Dong
- Key Laboratory of Organofluorine Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry Chinese Academy of Sciences University of Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 P. R. China
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25
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Sun S, Gao B, Chen J, Sharpless KB, Dong J. Fluorosulfuryl Isocyanate Enabled SuFEx Ligation of Alcohols and Amines. Angew Chem Int Ed Engl 2021; 60:21195-21199. [PMID: 34259368 PMCID: PMC9881234 DOI: 10.1002/anie.202105583] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 06/21/2021] [Indexed: 01/31/2023]
Abstract
Fluorosulfuryl isocyanate (FSI, FSO2 NCO) is established as a reliable bis-electrophilic linker for stepwise attachment of an alcohol bearing module to an amine bearing module and thence a new module RO-C(=O)-NH-SO2 -NR'R'' is created. FSI's isocyanate motif fuses directly and quickly with alcohols and phenols, affording fluorosulfuryl carbamates in nearly quantitative yield. A new reagent and process to deliver the FSI-derived fluorosulfuryl carbamate fragment to amines are also developed. The resulting SVI -F motifs from step-1 are remarkably stable, given the great structural complexities in diverse products. In the step-2 reaction with amines, the best yield of the S-N linked products arise with water alone. This "on water" interfacial reactivity phenomenon is crucial, revealing the latent reactivity of SVI -F probe for potential covalent capture of proteins in vivo which is important in today's drug discovery. The scope of the SuFEx chemistry is largely expanded thereby and the facile entry to these phosphate-like connections should prove useful to click chemistry across diverse fields.
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Affiliation(s)
- Shoujun Sun
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences. University of Chinese Academy of Sciences. 345 Ling-Ling Road, Shanghai 200032 (P. R. China)
| | - Bing Gao
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University. Changsha, Hunan 410082 (P. R. China)
| | - Junyu Chen
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences. University of Chinese Academy of Sciences. 345 Ling-Ling Road, Shanghai 200032 (P. R. China)
| | - K. Barry Sharpless
- Department of Chemistry, The Scripps Research Institute 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Jiajia Dong
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences. University of Chinese Academy of Sciences. 345 Ling-Ling Road, Shanghai 200032 (P. R. China)
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26
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Solís‐Muñana P, Salam J, Ren CZ, Carr B, Whitten AE, Warr GG, Chen JL. An Amphiphilic (salen)Co Complex – Utilizing Hydrophobic Interactions to Enhance the Efficiency of a Cooperative Catalyst. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100494] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Pablo Solís‐Muñana
- Centre for Biomedical and Chemical Sciences School of Science Auckland University of Technology 34 St Paul St 1010 Auckland New Zealand
- The MacDiarmid Institute for Advanced Materials and Nanotechnology 6011 Wellington New Zealand
| | - Joanne Salam
- Centre for Biomedical and Chemical Sciences School of Science Auckland University of Technology 34 St Paul St 1010 Auckland New Zealand
- The MacDiarmid Institute for Advanced Materials and Nanotechnology 6011 Wellington New Zealand
| | - Chloe Z.‐J. Ren
- Centre for Biomedical and Chemical Sciences School of Science Auckland University of Technology 34 St Paul St 1010 Auckland New Zealand
- The MacDiarmid Institute for Advanced Materials and Nanotechnology 6011 Wellington New Zealand
| | - Bronte Carr
- Centre for Biomedical and Chemical Sciences School of Science Auckland University of Technology 34 St Paul St 1010 Auckland New Zealand
| | - Andrew E. Whitten
- Australian Nuclear Science and Technology Organisation (ANSTO) New Illawarra Rd 2234 Lucas Heights, NSW Australia
| | - Gregory G. Warr
- School of Chemistry The University of Sydney 2006 Sydney New South Wales Australia
| | - Jack L.‐Y. Chen
- Centre for Biomedical and Chemical Sciences School of Science Auckland University of Technology 34 St Paul St 1010 Auckland New Zealand
- The MacDiarmid Institute for Advanced Materials and Nanotechnology 6011 Wellington New Zealand
- Department of Biotechnology, Chemistry and Pharmaceutical Sciences Università degli Studi di Siena Via Aldo Moro 53100 Siena Italy
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27
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Shilpa T, Neetha M, Anilkumar G. Recent Trends and Prospects in the Copper‐Catalysed “on Water” Reactions. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001407] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Thomas Shilpa
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills Kottayam Kerala INDIA 686560
| | - Mohan Neetha
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills Kottayam Kerala INDIA 686560
| | - Gopinathan Anilkumar
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills Kottayam Kerala INDIA 686560
- Advanced Molecular materials Research centre (AMMRC) Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala INDIA 686560
- Institute for Integrated programmes and Research in Basic Sciences (IIRBS) Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala INDIA 686560
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28
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Peng K, Dong Z. Recent Advances in Cross‐Dehydrogenative Couplings (CDC) of C−H Bond in Aqueous Media. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001358] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Kang Peng
- School of Chemistry and Environmental Engineering Wuhan Institute of Technology Wuhan 430205 People's Republic of China
| | - Zhi‐Bing Dong
- School of Chemistry and Environmental Engineering Wuhan Institute of Technology Wuhan 430205 People's Republic of China
- School of Chemistry and Chemical Engineering Henan Normal University Xinxiang 453007 People's Republic of China
- Key Laboratory of Green Chemical Process Ministry of Education Wuhan Institute of Technology Wuhan 430205 People's Republic of China
- Hubei key Laboratory of Novel Reactor and Green Chemistry Technology Wuhan Institute of Technology Wuhan 430205 People's Repubic of China
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29
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Verma A, Hazra S, Dolui P, Elias AJ. Ruthenium‐Catalyzed Synthesis of α‐Alkylated Ketones and Quinolines in an Aqueous Medium via a Hydrogen‐Borrowing Strategy Using Ketones and Alcohols. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202000686] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Ashutosh Verma
- Department of Chemistry Indian Institute of Technology Hauz Khas New Delhi 110016 India
| | - Susanta Hazra
- Department of Chemistry Indian Institute of Technology Hauz Khas New Delhi 110016 India
| | - Pritam Dolui
- Department of Chemistry Indian Institute of Technology Hauz Khas New Delhi 110016 India
| | - Anil J. Elias
- Department of Chemistry Indian Institute of Technology Hauz Khas New Delhi 110016 India
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30
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Optimizing the Electrochemiluminescence of Readily Accessible Pyrido[1,2‐α]pyrimidines through “Green” Substituent Regulation. ChemElectroChem 2021. [DOI: 10.1002/celc.202001531] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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31
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Destito P, Vidal C, López F, Mascareñas JL. Transition Metal‐Promoted Reactions in Aqueous Media and Biological Settings. Chemistry 2021; 27:4789-4816. [DOI: 10.1002/chem.202003927] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/27/2020] [Indexed: 12/19/2022]
Affiliation(s)
- Paolo Destito
- Centro Singular de Investigación en Química Biolóxica e Materiais, Moleculares (CIQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Cristian Vidal
- Centro Singular de Investigación en Química Biolóxica e Materiais, Moleculares (CIQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Fernando López
- Centro Singular de Investigación en Química Biolóxica e Materiais, Moleculares (CIQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
- Instituto de Química Orgánica General (CSIC) Juan de la Cierva 3 28006 Madrid Spain
| | - José L. Mascareñas
- Centro Singular de Investigación en Química Biolóxica e Materiais, Moleculares (CIQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
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32
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Shin J, Jung H, Lim Y. Competitive CuAAC Reaction between Hydrophobic and Hydrophilic Alkynes with Azides in Water. ChemistrySelect 2020. [DOI: 10.1002/slct.202002792] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jung‐Ah Shin
- The 4th R&D Institute-6 Agency for Defense Development Daejeon 34186 Korea
| | - Haeji Jung
- The 4th R&D Institute-6 Agency for Defense Development Daejeon 34186 Korea
| | - Yeong‐Gweon Lim
- The 4th R&D Institute-6 Agency for Defense Development Daejeon 34186 Korea
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33
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Alarcón‐Matus E, Alvarado C, Romero‐Ceronio N, Ramos‐Rivera EM, Lobato‐García CE. Proline‐derived Long‐aliphatic‐chain Amphiphilic Organocatalysts (PDLACAOs) for Asymmetric Reactions in Aqueous Media. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000419] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Erika Alarcón‐Matus
- División Académica de Ciencias Básicas Universidad Juárez Autónoma de Tabasco Carretera Cunduacán-Jalpa Km 1, Col. La Esperanza 86690 Cunduacán Tabasco México
| | - Cuauhtémoc Alvarado
- División Académica de Ciencias Básicas Universidad Juárez Autónoma de Tabasco Carretera Cunduacán-Jalpa Km 1, Col. La Esperanza 86690 Cunduacán Tabasco México
| | - Nancy Romero‐Ceronio
- División Académica de Ciencias Básicas Universidad Juárez Autónoma de Tabasco Carretera Cunduacán-Jalpa Km 1, Col. La Esperanza 86690 Cunduacán Tabasco México
| | - Erika M. Ramos‐Rivera
- División Académica de Ciencias Básicas Universidad Juárez Autónoma de Tabasco Carretera Cunduacán-Jalpa Km 1, Col. La Esperanza 86690 Cunduacán Tabasco México
| | - Carlos E. Lobato‐García
- División Académica de Ciencias Básicas Universidad Juárez Autónoma de Tabasco Carretera Cunduacán-Jalpa Km 1, Col. La Esperanza 86690 Cunduacán Tabasco México
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34
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Tao L, Ren Y, Li C, Li H, Liu J, Yang Q. Water‐Promoted Heterogeneous Asymmetric Hydrogenation of Quinolines over Ordered Macroporous Poly(ionic liquid) Catalyst. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000323] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Lin Tao
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Science Dalian 116023 China (QY
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Yiqi Ren
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Science Dalian 116023 China (QY
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Chunzhi Li
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Science Dalian 116023 China (QY
- University of Chinese Academy of Sciences Beijing 100049 China
| | - He Li
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Science Dalian 116023 China (QY
| | - Jiali Liu
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Science Dalian 116023 China (QY
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Qihua Yang
- State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Science Dalian 116023 China (QY
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35
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Kitanosono T, Kobayashi S. Reactions in Water Involving the “On‐Water” Mechanism. Chemistry 2020; 26:9408-9429. [DOI: 10.1002/chem.201905482] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 02/08/2020] [Indexed: 11/07/2022]
Affiliation(s)
- Taku Kitanosono
- Department of ChemistrySchool of ScienceThe University of Tokyo Hongo Bunkyo-ku Tokyo 113-0033 Japan
| | - Shū Kobayashi
- Department of ChemistrySchool of ScienceThe University of Tokyo Hongo Bunkyo-ku Tokyo 113-0033 Japan
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36
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Poganik JR, Van Hall-Beauvais AK, Long MJC, Disare MT, Zhao Y, Aye Y. The mRNA-Binding Protein HuR Is a Kinetically-Privileged Electrophile Sensor. Helv Chim Acta 2020; 103:e2000041. [PMID: 34113045 PMCID: PMC8188987 DOI: 10.1002/hlca.202000041] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 04/11/2020] [Indexed: 12/11/2022]
Abstract
The key mRNA-binding proteins HuR and AUF1 are reported stress sensors in mammals. Intrigued by recent reports of sensitivity of these proteins to the electrophilic lipid prostaglandin A2 and other redox signals, we here examined their sensing abilities to a prototypical redox-linked lipid-derived electrophile, 4-hydroxynonenal (HNE). Leveraging our T-REX electrophile delivery platform, we found that only HuR, and not AUF1, is a kinetically-privileged sensor of HNE in HEK293T cells, and sensing functions through a specific cysteine, C13. Cells depleted of HuR, upon treatment with HNE, manifest unique alterations in cell viability and Nrf2-transcription-factor-driven antioxidant response (AR), which our recent work shows is regulated by HuR at the Nrf2-mRNA level. Mutagenesis studies showed that C13-specific sensing alone is not sufficient to explain HuR-dependent stress responsivities, further highlighting a complex context-dependent layer of Nrf2/AR regulation through HuR.
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Affiliation(s)
- Jesse R Poganik
- Institute of Chemical Sciences & Engineering (ISIC), Swiss Federal Institute of Technology Lausanne (EPFL), CH-1015 Lausanne
- Department of Chemistry & Chemical Biology, Cornell University, Ithaca, New York, 14853 New York, United States
| | - Alexandra K Van Hall-Beauvais
- Institute of Chemical Sciences & Engineering (ISIC), Swiss Federal Institute of Technology Lausanne (EPFL), CH-1015 Lausanne
| | - Marcus J C Long
- Department of Chemistry & Chemical Biology, Cornell University, Ithaca, New York, 14853 New York, United States
| | - Michael T Disare
- Department of Chemistry & Chemical Biology, Cornell University, Ithaca, New York, 14853 New York, United States
| | - Yi Zhao
- Institute of Chemical Sciences & Engineering (ISIC), Swiss Federal Institute of Technology Lausanne (EPFL), CH-1015 Lausanne
| | - Yimon Aye
- Institute of Chemical Sciences & Engineering (ISIC), Swiss Federal Institute of Technology Lausanne (EPFL), CH-1015 Lausanne
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37
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Tanini D, Ricci L, Capperucci A. Rongalite‐Promotedon WaterSynthesis of Functionalised Tellurides and Ditellurides. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901536] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Damiano Tanini
- University of FlorenceDepartment of Chemistry “Ugo Schiff” Via della Lastruccia 3–13 I-50019 Sesto Fiorentino Italy
| | - Lorenzo Ricci
- University of FlorenceDepartment of Chemistry “Ugo Schiff” Via della Lastruccia 3–13 I-50019 Sesto Fiorentino Italy
| | - Antonella Capperucci
- University of FlorenceDepartment of Chemistry “Ugo Schiff” Via della Lastruccia 3–13 I-50019 Sesto Fiorentino Italy
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38
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Malavade V, Patil M, Patil M. Scope, Kinetics, and Mechanism of “On Water” Cu Catalysis in the C-N Cross-Coupling Reactions of Indole Derivatives. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901542] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Vrunda Malavade
- UM-DAE Centre for Excellence in Basic Sciences; University of Mumbai; Vidyanagari Campus, Kalina, Santacruz (East) Mumbai 400098 India
| | - Manish Patil
- UM-DAE Centre for Excellence in Basic Sciences; University of Mumbai; Vidyanagari Campus, Kalina, Santacruz (East) Mumbai 400098 India
| | - Mahendra Patil
- UM-DAE Centre for Excellence in Basic Sciences; University of Mumbai; Vidyanagari Campus, Kalina, Santacruz (East) Mumbai 400098 India
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39
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Wu Y, Lu X, Wang H, Liang E, Yuan Y, Zhao Q, Zhu Z, Huang J, Tang X. Acid-Catalyzed Synthesis of Quinoline Derivatives from 2-Methylquinolines and 2-Aryloxy/Alkoxybenzaldehyde in Aqueous Medium. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901331] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yinrong Wu
- Guangdong Provincial Key Laboratory of New Drug Screening; School of Pharmaceutical Sciences; Southern Medical University; 1023 South Shatai Road, Baiyun District 510515 Guangzhou P. R. China
| | - Xianchen Lu
- Guangdong Provincial Key Laboratory of New Drug Screening; School of Pharmaceutical Sciences; Southern Medical University; 1023 South Shatai Road, Baiyun District 510515 Guangzhou P. R. China
| | - Hang Wang
- Guangdong Provincial Key Laboratory of New Drug Screening; School of Pharmaceutical Sciences; Southern Medical University; 1023 South Shatai Road, Baiyun District 510515 Guangzhou P. R. China
| | - En Liang
- Guangdong Provincial Key Laboratory of New Drug Screening; School of Pharmaceutical Sciences; Southern Medical University; 1023 South Shatai Road, Baiyun District 510515 Guangzhou P. R. China
| | - Yingying Yuan
- Guangdong Provincial Key Laboratory of New Drug Screening; School of Pharmaceutical Sciences; Southern Medical University; 1023 South Shatai Road, Baiyun District 510515 Guangzhou P. R. China
| | - Qiaorun Zhao
- Guangdong Provincial Key Laboratory of New Drug Screening; School of Pharmaceutical Sciences; Southern Medical University; 1023 South Shatai Road, Baiyun District 510515 Guangzhou P. R. China
| | - Zhongzhi Zhu
- School of Biotechnology and Health Sciences; Wuyi University; 529020 Jiangmen China
| | - Jiaping Huang
- Guangdong Provincial Key Laboratory of New Drug Screening; School of Pharmaceutical Sciences; Southern Medical University; 1023 South Shatai Road, Baiyun District 510515 Guangzhou P. R. China
| | - Xiaodong Tang
- Guangdong Provincial Key Laboratory of New Drug Screening; School of Pharmaceutical Sciences; Southern Medical University; 1023 South Shatai Road, Baiyun District 510515 Guangzhou P. R. China
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40
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Voutyritsa E, Kokotos CG. Green Metal‐Free Photochemical Hydroacylation of Unactivated Olefins. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201912214] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Errika Voutyritsa
- Laboratory of Organic Chemistry Department of Chemistry National and Kapodistrian University of Athens Panepistimiopolis 15771 Athens Greece
| | - Christoforos G. Kokotos
- Laboratory of Organic Chemistry Department of Chemistry National and Kapodistrian University of Athens Panepistimiopolis 15771 Athens Greece
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41
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Voutyritsa E, Kokotos CG. Green Metal‐Free Photochemical Hydroacylation of Unactivated Olefins. Angew Chem Int Ed Engl 2019; 59:1735-1741. [DOI: 10.1002/anie.201912214] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 10/30/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Errika Voutyritsa
- Laboratory of Organic Chemistry Department of Chemistry National and Kapodistrian University of Athens Panepistimiopolis 15771 Athens Greece
| | - Christoforos G. Kokotos
- Laboratory of Organic Chemistry Department of Chemistry National and Kapodistrian University of Athens Panepistimiopolis 15771 Athens Greece
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42
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Leite A, Cunha-Silva L, Silva D, Lobo Ferreira AIMC, Santos LMNBF, Cardoso ICS, Silva VLM, Rangel M, Silva AMG. Synthesis of Pyridyl and N-Methylpyridinium Analogues of Rosamines: Relevance of Solvent and Charge on Their Photophysical Properties. Chemistry 2019; 25:15073-15082. [PMID: 31379010 DOI: 10.1002/chem.201903313] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Indexed: 01/16/2023]
Abstract
A series of pyridyl analogues of rosamines was prepared by employing two methodologies: (i) the conventional-heating condensation of a pyridinecarboxaldehyde with 3-(diethylamino)phenol in propionic acid, and (ii) the novel ohmic-heating assisted condensation under "on water" conditions, followed by oxidation. The 4-pyridyl substituted rosamine was further converted into the N-methylpyridinium derivative through N-alkylation using methyl iodide. The influence of the position and cationization of the nitrogen atom of the pyridyl ring in the physicochemical properties of fluorophores was investigated by 1 H, 13 C, 15 N NMR spectral analysis, UV/Vis and fluorescence spectroscopy, single-crystal X-ray diffraction (4-pyridyl and N-methylpyridinium derivatives) and thermal-behavior analysis. Curiously, for ethanolic solutions of 4-pyridyl and N-methylpyridinium derivatives an extinction of color and fluorescence over time was observed. This phenomenon was further studied and the data revealed that it is the result of nucleophilic addition of ethoxide ion to the central 9-position of the xanthene. The kinetics of the process is slower for the 4-pyridyl rosamine, which emphasizes the importance of the charge in the N-methylpyridinium analogue in the reactivity of the molecule towards a nucleophile agent. This phenomenon is reversible, meaning that the compounds can be rapidly recovered by decreasing the pH, opening new avenues in the sensing applications of this class of rosamines.
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Affiliation(s)
- Andreia Leite
- LAQV/REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, 4169-007, Porto, Portugal
| | - Luís Cunha-Silva
- LAQV/REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, 4169-007, Porto, Portugal
| | - Daniel Silva
- LAQV/REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, 4169-007, Porto, Portugal
| | - Ana I M C Lobo Ferreira
- Centro de Investigação em Química (CIQUP), Departamento de, Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua Campo Alegre 687, 4169-007, Porto, Portugal
| | - Luís M N B F Santos
- Centro de Investigação em Química (CIQUP), Departamento de, Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua Campo Alegre 687, 4169-007, Porto, Portugal
| | - Inês C S Cardoso
- Departamento de Química, QOPNA e LAQV/REQUIMTE, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - Vera L M Silva
- Departamento de Química, QOPNA e LAQV/REQUIMTE, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - Maria Rangel
- LAQV/REQUIMTE, Instituto de Ciências Biomédicas de Abel Salazar, 4099-003, Porto, Portugal
| | - Ana M G Silva
- LAQV/REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, 4169-007, Porto, Portugal
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43
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Gómez‐Palomino A, Cornella J. Selective Late‐Stage Sulfonyl Chloride Formation from Sulfonamides Enabled by Pyry‐BF
4. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201910895] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Alejandro Gómez‐Palomino
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
| | - Josep Cornella
- Max-Planck-Institut für Kohlenforschung Kaiser-Wilhelm-Platz 1 45470 Mülheim an der Ruhr Germany
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44
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Gómez-Palomino A, Cornella J. Selective Late-Stage Sulfonyl Chloride Formation from Sulfonamides Enabled by Pyry-BF 4. Angew Chem Int Ed Engl 2019; 58:18235-18239. [PMID: 31595619 PMCID: PMC6916363 DOI: 10.1002/anie.201910895] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 09/24/2019] [Indexed: 01/08/2023]
Abstract
Reported here is a simple and practical functionalization of primary sulfonamides, by means of a pyrylium salt (Pyry‐BF4), with nucleophiles. This simple reagent activates the poorly nucleophilic NH2 group in a sulfonamide, enabling the formation of one of the best electrophiles in organic synthesis: a sulfonyl chloride. Because of the variety of primary sulfonamides in pharmaceutical contexts, special attention has been focused on the direct conversion of densely functionalized primary sulfonamides by a late‐stage formation of the corresponding sulfonyl chloride. A variety of nucleophiles could be engaged in this transformation, thus permitting the synthesis of complex sulfonamides, sulfonates, sulfides, sulfonyl fluorides, and sulfonic acids. The mild reaction conditions and the high selectivity of Pyry‐BF4 towards NH2 groups permit the formation of sulfonyl chlorides in a late‐stage fashion, tolerating a preponderance of sensitive functionalities.
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Affiliation(s)
- Alejandro Gómez-Palomino
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Josep Cornella
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
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45
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Yuan S, Yu B, Liu H. “On‐Water” Palladium‐Catalyzed Tandem Cyclization Reaction for the Synthesis of Biologically Relevant 4‐Arylquinazolines. Chemistry 2019; 25:13109-13113. [DOI: 10.1002/chem.201903464] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 08/20/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Shuo Yuan
- School of Pharmaceutical sciencesZhengzhou University Zhengzhou 450001 P. R. China
| | - Bin Yu
- School of Pharmaceutical sciencesZhengzhou University Zhengzhou 450001 P. R. China
| | - Hong‐Min Liu
- School of Pharmaceutical sciencesZhengzhou University Zhengzhou 450001 P. R. China
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46
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Vachan BS, Karuppasamy M, Vinoth P, Vivek Kumar S, Perumal S, Sridharan V, Menéndez JC. Proline and its Derivatives as Organocatalysts for Multi‐ Component Reactions in Aqueous Media: Synergic Pathways to the Green Synthesis of Heterocycles. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900558] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- B. S. Vachan
- Department of Chemistry, School of Chemical and BiotechnologySASTRA Deemed University Thanjavur 613401, Tamil Nadu India
| | - Muthu Karuppasamy
- Department of Chemistry, School of Chemical and BiotechnologySASTRA Deemed University Thanjavur 613401, Tamil Nadu India
| | - Perumal Vinoth
- Department of Chemistry, School of Chemical and BiotechnologySASTRA Deemed University Thanjavur 613401, Tamil Nadu India
| | - Sundaravel Vivek Kumar
- Department of Organic Chemistry, School of ChemistryMadurai Kamaraj University Madurai 625021, Tamil Nadu India
| | - Subbu Perumal
- Department of Organic Chemistry, School of ChemistryMadurai Kamaraj University Madurai 625021, Tamil Nadu India
| | - Vellaisamy Sridharan
- Department of Chemistry, School of Chemical and BiotechnologySASTRA Deemed University Thanjavur 613401, Tamil Nadu India
- Department of Chemistry and Chemical SciencesCentral University of Jammu, Rahya-Suchani (Bagla), District-Samba Jammu 181143, Jammu and Kashmir India
| | - J. Carlos Menéndez
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de FarmaciaUniversidad Complutense 28040 Madrid Spain
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47
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Srisa J, Tankam T, Sukwattanasinitt M, Wacharasindhu S. Micelle-Enabled One-Pot Guanidine Synthesis in Water Directly from Isothiocyanate using Hypervalent Iodine(III) Reagents under Mild Conditions. Chem Asian J 2019; 14:3335-3343. [PMID: 31397526 DOI: 10.1002/asia.201900982] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Indexed: 02/06/2023]
Abstract
In this work, we developed a one-pot synthesis of guanidine directly from isothiocyanate using DIB (diacetoxyiodobenzene) as a desulfurizing agent under micellar conditions in water. Our optimization study revealed that the use of 1 % TPGS-750-M as a surfactant with NaOH as an additive base at room temperature can convert a variety of isothiocyanates and amines into corresponding guanidines in excellent yields (69-95 %). This synthetic process in water can be applied to prepare guanidine at gram-scale quantity. Our aqueous micellar medium also demonstrated high reusability as the reaction can be performed for several cycles without losing its efficiency. The reaction is metal-free, utilizes water as solvent and practical (room temperature and open flask).
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Affiliation(s)
- Jakkrit Srisa
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.,Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok, Thailand
| | - Theeranon Tankam
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Mongkol Sukwattanasinitt
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.,Nanotec-CU Center of Excellence on Food and Agriculture, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Sumrit Wacharasindhu
- Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok, Thailand.,Nanotec-CU Center of Excellence on Food and Agriculture, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
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48
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Ingold M, Colella L, Hernández P, Batthyány C, Tejedor D, Puerta A, García‐Tellado F, Padrón JM, Porcal W, López GV. A Focused Library of NO‐Donor Compounds with Potent Antiproliferative Activity Based on Green Multicomponent Reactions. ChemMedChem 2019; 14:1669-1683. [DOI: 10.1002/cmdc.201900385] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 07/25/2019] [Indexed: 01/06/2023]
Affiliation(s)
- Mariana Ingold
- Departamento de Química OrgánicaFacultad de QuímicaUniversidad de la República Av. General Flores 2124 11800 Montevideo Uruguay
- Laboratory of Vascular Biology and Drug DiscoveryInstitut Pasteur Montevideo Mataojo 2020 11400 Montevideo Uruguay
| | - Lucía Colella
- Departamento de Química OrgánicaFacultad de QuímicaUniversidad de la República Av. General Flores 2124 11800 Montevideo Uruguay
- Laboratory of Vascular Biology and Drug DiscoveryInstitut Pasteur Montevideo Mataojo 2020 11400 Montevideo Uruguay
| | - Paola Hernández
- Laboratorio de Epigenética e Inestabilidad GenómicaInstituto de Investigaciones Biológicas Clemente Estable Av. Italia 3318 11600 Montevideo Uruguay
| | - Carlos Batthyány
- Laboratory of Vascular Biology and Drug DiscoveryInstitut Pasteur Montevideo Mataojo 2020 11400 Montevideo Uruguay
| | - David Tejedor
- Instituto de Productos Naturales y Agrobiología (IPNA)Consejo Superior de Investigaciones Científicas C/ Astrofísico Francisco Sánchez 3 38206 La Laguna Spain
| | - Adrián Puerta
- BioLab, Instituto Universitario de Bio-Orgánica “Antonio González” (IUBO-AG), Centro de Investigaciones Biomédicas de Canarias (CIBICAN)Universidad de La Laguna C/ Astrofísico Francisco Sánchez 2 38200 La Laguna Spain
| | - Fernando García‐Tellado
- Instituto de Productos Naturales y Agrobiología (IPNA)Consejo Superior de Investigaciones Científicas C/ Astrofísico Francisco Sánchez 3 38206 La Laguna Spain
| | - José M. Padrón
- BioLab, Instituto Universitario de Bio-Orgánica “Antonio González” (IUBO-AG), Centro de Investigaciones Biomédicas de Canarias (CIBICAN)Universidad de La Laguna C/ Astrofísico Francisco Sánchez 2 38200 La Laguna Spain
| | - Williams Porcal
- Departamento de Química OrgánicaFacultad de QuímicaUniversidad de la República Av. General Flores 2124 11800 Montevideo Uruguay
- Laboratory of Vascular Biology and Drug DiscoveryInstitut Pasteur Montevideo Mataojo 2020 11400 Montevideo Uruguay
| | - Gloria. V. López
- Departamento de Química OrgánicaFacultad de QuímicaUniversidad de la República Av. General Flores 2124 11800 Montevideo Uruguay
- Laboratory of Vascular Biology and Drug DiscoveryInstitut Pasteur Montevideo Mataojo 2020 11400 Montevideo Uruguay
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49
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Han JL, Liao YT, Chang CH. Asymmetric Organocatalytic Conjugate Addition of Electron-Rich Phenols and 1,3-Dicarbonyls to Arylsulfonyl Indoles in an Oil-Water Biphasic System. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900962] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jeng-Liang Han
- Department of Chemistry; National Chung Hsing University; 145 Xingda Rd., South Dist., Taichung City 402 Taiwan R.O.C
| | - Yu-Ting Liao
- Department of Chemistry; Chung Yuan Christian University; Taiwan R.O.C
| | - Chia-Hao Chang
- Department of Chemistry; Chung Yuan Christian University; Taiwan R.O.C
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50
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Sánchez-Condado A, Carriedo GA, Presa Soto A, Rodríguez-Álvarez MJ, García-Álvarez J, Hevia E. Organolithium-Initiated Polymerization of Olefins in Deep Eutectic Solvents under Aerobic Conditions. CHEMSUSCHEM 2019; 12:3134-3143. [PMID: 30892815 DOI: 10.1002/cssc.201900533] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 03/19/2019] [Indexed: 06/09/2023]
Abstract
Despite their ubiquitous presence in synthesis, the use of polar organolithium reagents under environmentally benign conditions constitutes one of the greatest challenges in sustainable chemistry. Their high reactivity imposes the use of severely restrictive protocols (e.g., moisture- and oxygen-free, toxic organic solvents, inert atmospheres, low temperatures, etc.). Making inroads towards meeting this challenge, a new air- and moisture-compatible organolithium-mediated methodology for the anionic polymerization of different olefins (e.g., styrenes and vinylpyridines) was established by pioneering the use of deep eutectic solvents (DESs) as an eco-friendly reaction medium in this type of transformation. Fine-tuning of the conditions (sonication of the reaction mixture at 40 °C in the absence of protecting atmosphere) along with careful choice of components of the DES [choline chloride (ChCl) and glycerol (Gly) in a 1:2 ratio] furnished the desired organic polymers (homopolymers and random copolymers) in excellent yields (up to 90 %) and low polydispersities (IPD 1.1-1.3). Remarkably, the in situ-formed polystyril lithium intermediates exhibited a great resistance to hydrolysis in the eutectic mixture 1ChCl/2Gly (up to 1.5 h), hinting at an unexpected high stability of these otherwise highly reactive organolithium species in these unconventional reaction media. This unique stability can be exploited to create well defined block-copolymers.
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Affiliation(s)
- Alba Sánchez-Condado
- Departamento de Química Orgánica e Inorgánica, (Facultad de Química/IUQOEM), Universidad de Oviedo, Julián Clavería, 8, 33006, Oviedo, Spain
| | - Gabino A Carriedo
- Departamento de Química Orgánica e Inorgánica, (Facultad de Química/IUQOEM), Universidad de Oviedo, Julián Clavería, 8, 33006, Oviedo, Spain
| | - Alejandro Presa Soto
- Departamento de Química Orgánica e Inorgánica, (Facultad de Química/IUQOEM), Universidad de Oviedo, Julián Clavería, 8, 33006, Oviedo, Spain
| | - María J Rodríguez-Álvarez
- Laboratorio de Compuestos Organometálicos y Catálisis (Unidad Asociada al CSIC), Departamento de Química Orgánica e Inorgánica (IUQOEM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Química, Universidad de Oviedo, Julián Clavería, 8, 33006, Oviedo, Spain
| | - Joaquín García-Álvarez
- Laboratorio de Compuestos Organometálicos y Catálisis (Unidad Asociada al CSIC), Departamento de Química Orgánica e Inorgánica (IUQOEM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Química, Universidad de Oviedo, Julián Clavería, 8, 33006, Oviedo, Spain
| | - Eva Hevia
- WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow, G1 1XL, UK
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