1
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Jiang Y, Cao W, Hu Z, Yue Z, Bai C, Li R, Liu Z, Wang XB, Peng P. A comprehensive study on three typical photoacid generators using photoelectron spectroscopy and ab initio calculations. J Chem Phys 2024; 161:054311. [PMID: 39105554 DOI: 10.1063/5.0218918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Accepted: 07/17/2024] [Indexed: 08/07/2024] Open
Abstract
Conducting a comprehensive molecular-level evaluation of a photoacid generator (PAG) and its subsequent impact on lithography performance can facilitate the rational design of a promising 193 nm photoresist tailored to specific requirements. In this study, we integrated spectroscopy and computational techniques to meticulously investigate the pivotal factors of three prototypical PAG anions, p-toluenesulfonate (pTS-), 2-(trifluoromethyl)benzene-1-sulfonate (TFMBS-), and triflate (TF-), in the lithography process. Our findings reveal a significant redshift in the absorption spectra caused by specific PAG anions, attributed to their involvement in electronic transition processes, thereby enhancing the transparency of the standard PAG cation, triphenylsulfonium (TPS+), particularly at ∼193 nm. Furthermore, the electronic stability of PAG anions can be enhanced by solvent effects with varying degrees of strength. We observed the lowest vertical detachment energy of 6.6 eV of pTS- in PGMEA solution based on the polarizable continuum model, which prevents anion loss at 193 nm lithography. In addition, our findings indicate gas-phase proton affinity values of 316.4 kcal/mol for pTS-, 308.1 kcal/mol for TFMBS-, and 303.2 kcal/mol for TF-, which suggest the increasing acidity strength, yet even the weakest acid pTS- is still stronger than strong acid HBr. The photolysis of TPS+-based PAG, TPS+·pTS-, generated an excited state leading to homolysis bond cleavage with the lowest reaction energy of 83 kcal/mol. Overall, the PAG anion pTS- displayed moderate acidity, possessed the lowest photolysis reaction energy, and demonstrated an appropriate redshift. These properties collectively render it a promising candidate for an effective acid producer.
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Affiliation(s)
- Yanrong Jiang
- Center for Transformative Science, ShanghaiTech University, Shanghai 201210, China
| | - Wenjin Cao
- Physical Sciences Division, Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, Richland, Washington 99352, USA
| | - Zhubin Hu
- State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200241, China
| | - Zhongyao Yue
- Center for Transformative Science, ShanghaiTech University, Shanghai 201210, China
| | - Chunyuan Bai
- Center for Transformative Science, ShanghaiTech University, Shanghai 201210, China
| | - Ruxin Li
- Center for Transformative Science, ShanghaiTech University, Shanghai 201210, China
| | - Zhi Liu
- Center for Transformative Science, ShanghaiTech University, Shanghai 201210, China
| | - Xue-Bin Wang
- Physical Sciences Division, Pacific Northwest National Laboratory, 902 Battelle Boulevard, P.O. Box 999, Richland, Washington 99352, USA
| | - Peng Peng
- Center for Transformative Science, ShanghaiTech University, Shanghai 201210, China
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2
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Wang Q, Agarawal V, Hermes MR, Motta M, Rice JE, Jones GO, Gagliardi L. Distinguishing homolytic vs heterolytic bond dissociation of phenylsulfonium cations with localized active space methods. J Chem Phys 2024; 161:014106. [PMID: 38949581 DOI: 10.1063/5.0215697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 06/12/2024] [Indexed: 07/02/2024] Open
Abstract
Modeling chemical reactions with quantum chemical methods is challenging when the electronic structure varies significantly throughout the reaction and when electronic excited states are involved. Multireference methods, such as complete active space self-consistent field (CASSCF), can handle these multiconfigurational situations. However, even if the size of the needed active space is affordable, in many cases, the active space does not change consistently from reactant to product, causing discontinuities in the potential energy surface. The localized active space SCF (LASSCF) is a cheaper alternative to CASSCF for strongly correlated systems with weakly correlated fragments. The method is used for the first time to study a chemical reaction, namely the bond dissociation of a mono-, di-, and triphenylsulfonium cation. LASSCF calculations generate smooth potential energy scans more easily than the corresponding, more computationally expensive CASSCF calculations while predicting similar bond dissociation energies. Our calculations suggest a homolytic bond cleavage for di- and triphenylsulfonium and a heterolytic pathway for monophenylsulfonium.
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Affiliation(s)
- Qiaohong Wang
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
| | - Valay Agarawal
- Department of Chemistry, Chicago Center for Theoretical Chemistry, University of Chicago, Chicago, Illinois 60637, USA
| | - Matthew R Hermes
- Department of Chemistry, Chicago Center for Theoretical Chemistry, University of Chicago, Chicago, Illinois 60637, USA
| | - Mario Motta
- IBM Quantum, IBM T. J. Watson Research Center, Yorktown Heights, New York 1059, USA
| | - Julia E Rice
- IBM Quantum, IBM Research-Almaden, San Jose, California 95120, USA
| | - Gavin O Jones
- IBM Quantum, IBM Research-Almaden, San Jose, California 95120, USA
| | - Laura Gagliardi
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
- Department of Chemistry, Chicago Center for Theoretical Chemistry, University of Chicago, Chicago, Illinois 60637, USA
- James Franck Institute, University of Chicago, Chicago, Illinois 60637, USA
- Argonne National Laboratory, 9700 S, Cass Avenue, Lemont, Illinois 60439, USA
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3
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Sun P, Li Z, Zhang X, Liao Y, Liao S. Visible Light-Regulated Ring-Opening Polymerization of Lactones by Employing Indigo as a Photoacid Catalyst. Macromol Rapid Commun 2024:e2400054. [PMID: 38471494 DOI: 10.1002/marc.202400054] [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: 01/24/2024] [Revised: 02/26/2024] [Indexed: 03/14/2024]
Abstract
The development of visible light-regulated polymerizations for precision synthesis of polymers has drawn considerable attention in the past years. In this study, an ancient dye, indigo, is successfully identified as a new and efficient photoacid catalyst, which can readily promote the ring-opening polymerization of lactones under visible light irradiation in a well-controlled manner, affording the desired polyester products with predictable molecular weights and narrow dispersity. The enhanced acidity of indigos by excitation is crucial to the H-bonding activation of the lactone monomers. Chain extension and block copolymer synthesis are also demonstrated with this method.
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Affiliation(s)
- Pan Sun
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Zixuan Li
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Xun Zhang
- Department State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry Chinese Academy of Sciences, Lingling Lu, Shanghai, 200032, China
| | - Yun Liao
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Saihu Liao
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), College of Chemistry, Fuzhou University, Fuzhou, 350108, China
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
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4
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Komogortsev AN, Melekhina VG, Lichitskii BV. Anionic photochemical rearrangement of 3-hydroxypyran-4-ones bearing oxazol-2-one fragment. Org Biomol Chem 2024; 22:1686-1692. [PMID: 38304927 DOI: 10.1039/d3ob01957h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
The photochemical behavior of in situ generated anions of 3-hydroxypyran-4-ones containing an oxazol-2-one moiety was studied. For the first time, it was demonstrated that blue LED light irradiation (450 nm) of substituted 3-hydroxypyran-4-ones in the presence of a base leads regiospecifically to the formation of isomeric 3-hydroxypyran-2-ones. Transformation of the starting 3-hydroxypyran-4-ones into the corresponding anions is necessary for the presented photoprocess. Based on the considered visible light induced rearrangement, a general method for the synthesis of 3-hydroxypyran-2-ones with an oxazol-2-one moiety was elaborated. The structure of one of the synthesized compounds was confirmed by X-ray diffraction.
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Affiliation(s)
- Andrey N Komogortsev
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47, Moscow 119991, Russian Federation.
| | - Valeriya G Melekhina
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47, Moscow 119991, Russian Federation.
| | - Boris V Lichitskii
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47, Moscow 119991, Russian Federation.
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5
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Sun T, Kang L, Zhao H, Zhao Y, Gu Y. Photoacid Generators for Biomedical Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2302875. [PMID: 38039443 PMCID: PMC10837391 DOI: 10.1002/advs.202302875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 10/26/2023] [Indexed: 12/03/2023]
Abstract
Photoacid generators (PAGs) are compounds capable of producing hydrogen protons (H+ ) upon irradiation, including irreversible and reversible PAGs, which have been widely studied in photoinduced polymerization and degradation for a long time. In recent years, the applications of PAGs in the biomedical field have attracted more attention due to their promising clinical value. So, an increasing number of novel PAGs have been reported. In this review, the recent progresses of PAGs for biomedical applications is systematically summarized, including tumor treatment, antibacterial treatment, regulation of protein folding and unfolding, control of drug release and so on. Furthermore, a concept of water-dependent reversible photoacid (W-RPA) and its antitumor effect are highlighted. Eventually, the challenges of PAGs for clinical applications are discussed.
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Affiliation(s)
- Tianzhen Sun
- School of Medical TechnologyBeijing Institute of TechnologyNo. 5 South Street, ZhongguancunHaidian DistrictBeijing100081China
| | - Lin Kang
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryChinese Academy of SciencesNo. 29 Zhongguancun East Road, Haidian DistrictBeijing100190China
- University of Chinese Academy of SciencesNo. 19A Yuquan RoadBeijing100049China
| | - Hongyou Zhao
- School of Medical TechnologyBeijing Institute of TechnologyNo. 5 South Street, ZhongguancunHaidian DistrictBeijing100081China
| | - Yuxia Zhao
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryChinese Academy of SciencesNo. 29 Zhongguancun East Road, Haidian DistrictBeijing100190China
- University of Chinese Academy of SciencesNo. 19A Yuquan RoadBeijing100049China
| | - Ying Gu
- Department of Laser MedicineThe First Medical CentreChinese PLA General HospitalNo. 28 Fuxing Road, Haidian DistrictBeijing100853China
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6
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Dumur F. Recent Advances in Monocomponent Visible Light Photoinitiating Systems Based on Sulfonium Salts. Polymers (Basel) 2023; 15:4202. [PMID: 37959882 PMCID: PMC10649563 DOI: 10.3390/polym15214202] [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: 09/21/2023] [Revised: 10/15/2023] [Accepted: 10/18/2023] [Indexed: 11/15/2023] Open
Abstract
During the last decades, multicomponent photoinitiating systems have been the focus of intense research efforts, especially for the design of visible light photoinitiating systems. Although highly reactive three-component and even four-component photoinitiating systems have been designed, the complexity to elaborate such mixtures has incited researchers to design monocomponent Type II photoinitiators. Using this approach, the photosensitizer and the radical/cation generator can be combined within a unique molecule, greatly simplifying the elaboration of the photocurable resins. In this field, sulfonium salts are remarkable photoinitiators but these structures lack absorption in the visible range. Over the years, various structural modifications have been carried out in order to redshift their absorptions in the visible region. In this work, an overview of the different sulfonium salts activable under visible light and reported to date is proposed.
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Affiliation(s)
- Frédéric Dumur
- Aix Marseille Univ, CNRS, ICR, UMR 7273, F-13397 Marseille, France
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7
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Zhang L, Li L, Chen Y, Pi J, Liu R, Zhu Y. Recent Advances and Challenges in Long Wavelength Sensitive Cationic Photoinitiating Systems. Polymers (Basel) 2023; 15:polym15112524. [PMID: 37299323 DOI: 10.3390/polym15112524] [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: 03/17/2023] [Revised: 04/06/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
With the advantages offered by cationic photopolymerization (CP) such as broad wavelength activation, tolerance to oxygen, low shrinkage and the possibility of "dark cure", it has attracted extensive attention in photoresist, deep curing and other fields in recent years. The applied photoinitiating systems (PIS) play a crucial role as they can affect the speed and type of the polymerization and properties of the materials formed. In the past few decades, much effort has been invested into developing cationic photoinitiating systems (CPISs) that can be activated at long wavelengths and overcome technical problems and challenges faced. In this article, the latest developments in the long wavelength sensitive CPIS under ultraviolet (UV)/visible light-emitting diodes (LED) lights are reviewed. The objective is, furthermore, to show differences as well as parallels between different PIS and future perspectives.
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Affiliation(s)
- Liping Zhang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
- International Research Center for Photoresponsive Molecules and Materials, Jiangnan University, Wuxi 214122, China
| | - Lun Li
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Ying Chen
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Junyi Pi
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Ren Liu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
- International Research Center for Photoresponsive Molecules and Materials, Jiangnan University, Wuxi 214122, China
| | - Yi Zhu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
- International Research Center for Photoresponsive Molecules and Materials, Jiangnan University, Wuxi 214122, China
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8
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Motta M, Jones GO, Rice JE, Gujarati TP, Sakuma R, Liepuoniute I, Garcia JM, Ohnishi YY. Quantum chemistry simulation of ground- and excited-state properties of the sulfonium cation on a superconducting quantum processor. Chem Sci 2023; 14:2915-2927. [PMID: 36937596 PMCID: PMC10016331 DOI: 10.1039/d2sc06019a] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 02/14/2023] [Indexed: 02/17/2023] Open
Abstract
The computational description of correlated electronic structure, and particularly of excited states of many-electron systems, is an anticipated application for quantum devices. An important ramification is to determine the dominant molecular fragmentation pathways in photo-dissociation experiments of light-sensitive compounds, like sulfonium-based photo-acid generators used in photolithography. Here we simulate the static and dynamical electronic structure of the H3S+ molecule, taken as a minimal model of a triply-bonded sulfur cation, on a superconducting quantum processor of the IBM Falcon architecture. To this end, we generalize a qubit reduction technique termed entanglement forging or EF [A. Eddins et al., Phys. Rev. X Quantum, 2022, 3, 010309], currently restricted to the evaluation of ground-state energies, to the treatment of molecular properties. While in a conventional quantum simulation a qubit represents a spin-orbital, within EF a qubit represents a spatial orbital, reducing the number of required qubits by half. We combine the generalized EF with quantum subspace expansion [W. Colless et al., Phys. Rev. X, 2018, 8, 011021], a technique used to project the time-independent Schrodinger equation for ground- and excited-states in a subspace. To enable experimental demonstration of this algorithmic workflow, we deploy a sequence of error-mitigation techniques. We compute dipole structure factors and partial atomic charges along ground- and excited-state potential energy curves, revealing the occurrence of homo- and heterolytic fragmentation. This study is an important step towards the computational description of photo-dissociation on near-term quantum devices, as it can be generalized to other photodissociation processes and naturally extended in different ways to achieve more realistic simulations.
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Affiliation(s)
- Mario Motta
- IBM Quantum, IBM Research - Almaden 650 Harry Road San Jose 95120 CA USA
| | - Gavin O Jones
- IBM Quantum, IBM Research - Almaden 650 Harry Road San Jose 95120 CA USA
| | - Julia E Rice
- IBM Quantum, IBM Research - Almaden 650 Harry Road San Jose 95120 CA USA
| | - Tanvi P Gujarati
- IBM Quantum, IBM Research - Almaden 650 Harry Road San Jose 95120 CA USA
| | - Rei Sakuma
- Materials Informatics Initiative, RD Technology & Digital Transformation Center, JSR Corporation 3-103-9, Tonomachi, Kawasaki-ku Kawasaki 210-0821 Kanagawa Japan
| | - Ieva Liepuoniute
- IBM Quantum, IBM Research - Almaden 650 Harry Road San Jose 95120 CA USA
| | - Jeannette M Garcia
- IBM Quantum, IBM Research - Almaden 650 Harry Road San Jose 95120 CA USA
| | - Yu-Ya Ohnishi
- Materials Informatics Initiative, RD Technology & Digital Transformation Center, JSR Corporation 3-103-9, Tonomachi, Kawasaki-ku Kawasaki 210-0821 Kanagawa Japan
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9
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Xiao D, Wu H, Zhang Y, Kang J, Dong A, Liang W. Advances in stimuli-responsive systems for pesticides delivery: Recent efforts and future outlook. J Control Release 2022; 352:288-312. [PMID: 36273530 DOI: 10.1016/j.jconrel.2022.10.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 10/15/2022] [Accepted: 10/17/2022] [Indexed: 11/08/2022]
Abstract
Effective pest management for enhanced crop output is one of the primary goals of establishing sustainable agricultural practices in the world. Pesticides are critical in preventing biological disasters, ensuring crop productivity, and fostering sustainable agricultural production growth. Studies showed that crops are unable to properly utilize pesticides because of several limiting factors, such as leaching and bioconversion, thereby damaging ecosystems and human health. In recent years, stimuli-responsive systems for pesticides delivery (SRSP) by nanotechnology demonstrated excellent promise in enhancing the effectiveness and safety of pesticides. SRSP are being developed with the goal of delivering precise amounts of active substances in response to biological needs and environmental factors. An in-depth analysis of carrier materials, design fundamentals, and classification of SRSP were provided. The adhesion of SRSP to crop tissue, absorption, translocation in and within plants, mobility in the soil, and toxicity were also discussed. The problems and shortcomings that need be resolved to accelerate the actual deployment of SRSP were highlighted in this review.
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Affiliation(s)
- Douxin Xiao
- College of Chemistry and Chemical Engineering, Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, PR China
| | - Haixia Wu
- College of Chemistry and Chemical Engineering, Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, PR China
| | - Yanling Zhang
- College of Chemistry and Chemical Engineering, Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, PR China
| | - Jing Kang
- College of Chemistry and Chemical Engineering, Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, PR China
| | - Alideertu Dong
- College of Chemistry and Chemical Engineering, Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, PR China.
| | - Wenlong Liang
- Institute of Pesticide and Environmental Toxicology, the Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, PR China.
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10
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Lu H, Ye H, Zhang M, Wang L, You L. Photoswitchable Keto–Enol Tautomerism Driven by Light-Induced Change in Antiaromaticity. Org Lett 2022; 24:8639-8644. [DOI: 10.1021/acs.orglett.2c03441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Hanwei Lu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hebo Ye
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Meilan Zhang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- College of Chemistry and Material Science, Fujian Normal University, Fuzhou 35007, China
| | - Lifeng Wang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- College of Chemistry and Material Science, Fujian Normal University, Fuzhou 35007, China
| | - Lei You
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
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11
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Controlled deprotection of poly(2-(tert-butoxycarbonyloxy)ethyl methacrylate) using p-toluenesulfonic esters as thermally latent acid catalysts. Polym Degrad Stab 2022. [DOI: 10.1016/j.polymdegradstab.2022.110127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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12
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Karibov TT, Lichitsky BV, Komogortsev AN, Melekhina VG. Photoinduced 6π‐electrocyclization of 2,5‐dichlorothiophene containing benzofuranylacrylonitriles as efficient method for the generation of hydrogen chloride. J Heterocycl Chem 2022. [DOI: 10.1002/jhet.4578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Turan T. Karibov
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Science Moscow Russia
| | - Boris V. Lichitsky
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Science Moscow Russia
| | - Andrey N. Komogortsev
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Science Moscow Russia
| | - Valeriya G. Melekhina
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Science Moscow Russia
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13
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Valle M, Ximenis M, Lopez de Pariza X, Chan JMW, Sardon H. Spotting Trends in Organocatalyzed and Other Organomediated (De)polymerizations and Polymer Functionalizations. Angew Chem Int Ed Engl 2022; 61:e202203043. [PMID: 35700152 PMCID: PMC9545893 DOI: 10.1002/anie.202203043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Indexed: 11/09/2022]
Abstract
Organocatalysis has evolved into an effective complement to metal‐ or enzyme‐based catalysis in polymerization, polymer functionalization, and depolymerization. The ease of removal and greater sustainability of organocatalysts relative to transition‐metal‐based ones has spurred development in specialty applications, e.g., medical devices, drug delivery, optoelectronics. Despite this, the use of organocatalysis and other organomediated reactions in polymer chemistry is still rapidly developing, and we envisage their rapidly growing application in nascent areas such as controlled radical polymerization, additive manufacturing, and chemical recycling in the coming years. In this Review, we describe ten trending areas where we anticipate paradigm shifts resulting from novel organocatalysts and other transition‐metal‐free conditions. We highlight opportunities and challenges and detail how new discoveries could lead to previously inaccessible functional materials and a potentially circular plastics economy.
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Affiliation(s)
- María Valle
- POLYMAT University of the Basque Country UPV/EHU Jose Mari Korta Center Avda Tolosa 72 20018 Donostia-San Sebastian Spain
| | - Marta Ximenis
- POLYMAT University of the Basque Country UPV/EHU Jose Mari Korta Center Avda Tolosa 72 20018 Donostia-San Sebastian Spain
- University of the Balearic Islands UIB Department of Chemistry Cra. Valldemossa, Km 7.5 07122 Palma de Mallorca Spain
| | - Xabier Lopez de Pariza
- POLYMAT University of the Basque Country UPV/EHU Jose Mari Korta Center Avda Tolosa 72 20018 Donostia-San Sebastian Spain
| | - Julian M. W. Chan
- Institute of Sustainability for Chemicals Energy and Environment (ISCE2) Agency for Science Technology and Research (A*STAR) 1 Pesek Road, Jurong Island Singapore 627833 Singapore
| | - Haritz Sardon
- POLYMAT University of the Basque Country UPV/EHU Jose Mari Korta Center Avda Tolosa 72 20018 Donostia-San Sebastian Spain
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14
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Koltun DS, Ivanov SM. Synthesis, spectral properties, single-crystal structure and DFT studies of novel photoacid generators based on difluoroacetyl-1,2,4-triazines. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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15
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Milyutin CV, Komogortsev AN, Lichitsky BV, Melekhina VG. Investigation of photochemical behavior of furan derivatives containing an allomaltol fragment. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.133012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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16
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Karibov TT, Lichitsky BV, Melekhina VG, Komogortsev AN. The First Example of Photogeneration of a Pyrrole Molecule on the Basis of 6π-Electrocyclization of 2-Arylbenzofurans Containing a Pyrazole Fragment. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2112706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Turan T. Karibov
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
| | - Boris V. Lichitsky
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
| | - Valeriya G. Melekhina
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
| | - Andrey N. Komogortsev
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Moscow, Russia
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17
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Deng J, Bailey S, Ai R, Delmonico A, Denbeaux G, Jiang S, Ober CK. Synthesis of End-Cap Enabled Self-Immolative Photoresists For Extreme Ultraviolet Lithography. ACS Macro Lett 2022; 11:1049-1054. [PMID: 35948019 DOI: 10.1021/acsmacrolett.2c00395] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Conventional chemically amplified resists (CARs) rely on the usage of photoacid generators to serve as the source of chemical amplification. However, acid diffusion inevitably accompanies CARs and has led to the resolution, line edge roughness, and sensitivity (RLS) trade-off, which is the most challenging technical problem for modern photoresists. Herein, we take advantage of the self-immolative property of polyphthalaldehyde (PPA) derivatives to create end-cap enabled chain scissionable resists for extreme ultraviolet (EUV) lithography. The feasibility of this strategy was demonstrated under UV photodegradation experiments. The dose-to-clear (DTC) under EUV radiation was 90 mJ/cm2 for the most promising resist, representing more than a 100-fold improvement over previous PPA resists. Density functional theory (DFT) calculations were conducted to understand the structural origin of end-cap EUV sensitivity.
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Affiliation(s)
- Jingyuan Deng
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States.,Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Sean Bailey
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States.,Department of Biomedical Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Ruiwen Ai
- College of Nanoscale Science and Engineering, SUNY Polytechnic Institute, Albany, New York 12203, United States
| | - Anthony Delmonico
- College of Nanoscale Science and Engineering, SUNY Polytechnic Institute, Albany, New York 12203, United States
| | - Gregory Denbeaux
- College of Nanoscale Science and Engineering, SUNY Polytechnic Institute, Albany, New York 12203, United States
| | - Shaoyi Jiang
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States.,Department of Biomedical Engineering, Cornell University, Ithaca, New York 14853, United States
| | - Christopher K Ober
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States
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18
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Di Terlizzi L, Martinelli A, Merli D, Protti S, Fagnoni M. Arylazo Sulfones as Nonionic Visible-Light Photoacid Generators. J Org Chem 2022; 88:6313-6321. [PMID: 35866712 DOI: 10.1021/acs.joc.2c01248] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The selective visible-light-driven generation of a weak acid (sulfinic acid, in nitrogen-purged solutions) or a strong acid (sulfonic acid, in oxygen-purged solutions) by using shelf-stable arylazo sulfones was developed. These sulfones were then used for the green, smooth, and efficient photochemical catalytic protection of several (substituted) alcohols (and phenols) as tetrahydropyranyl ethers or acetals.
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Affiliation(s)
- Lorenzo Di Terlizzi
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Angelo Martinelli
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Daniele Merli
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Stefano Protti
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Maurizio Fagnoni
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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19
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Rocard L, Hannedouche J, Bogliotti N. Visible‐Light‐Initiated Palladium‐Catalyzed Cross‐coupling by PPh
3
Uncaging from an Azobenzene Ruthenium–Arene Complex. Chemistry 2022; 28:e202200519. [PMID: 35543416 PMCID: PMC9400985 DOI: 10.1002/chem.202200519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Indexed: 11/20/2022]
Abstract
Photo‐release of triphenylphosphine from a sulfonamide azobenzene ruthenium–arene complex was exploited to activate PdIICl2 into Pd0 catalyst, for the photo‐initiation of Sonogashira cross‐coupling. The transformation was initiated on demand – by using simple white LED strip lights – with a high temporal response and the ability to control reaction rate by changing the irradiation time. Various substrates were successfully applied to this photo‐initiated cross‐coupling, thus illustrating the wide functional‐group tolerance of our photo‐caged catalyst activator, without any need for sophisticated photochemistry apparatus.
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Affiliation(s)
- Lou Rocard
- Université Paris-Saclay, ENS Paris-Saclay, CNRS Photophysique et Photochimie Supramoléculaires et Macromoléculaires 91190 Gif-sur-Yvette France
- Université Paris-Saclay, CNRS Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) 91405 Orsay Cedex France
| | - Jérôme Hannedouche
- Université Paris-Saclay, CNRS Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) 91405 Orsay Cedex France
| | - Nicolas Bogliotti
- Université Paris-Saclay, ENS Paris-Saclay, CNRS Photophysique et Photochimie Supramoléculaires et Macromoléculaires 91190 Gif-sur-Yvette France
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20
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Sardon H, Valle M, Lopez de Pariza X, Ximenis M, Chan JM. Spotting Trends in Organocatalyzed and Other Organomediated (De)polymerizations and Polymer Functionalizations. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202203043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Haritz Sardon
- University of Basque Country POLYMAT Paseo Manuel Lardizabal n 3 20018 San Sebastian SPAIN
| | - María Valle
- University of the Basque Country: Universidad del Pais Vasco POLYMAT SPAIN
| | | | - Marta Ximenis
- University of the Basque Country: Universidad del Pais Vasco POLYMAT SPAIN
| | - Julian M.W. Chan
- Agency for Science Technology and Research Institue of Chemical and Engineering Science SINGAPORE
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21
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Salikov RF, Belyy AY, Trainov KP, Velmiskina JA, Medvedev MG, Korshunov VM, Taydakov IV, Platonov DN, Tomilov YV. Superphotoacidic properties and pH-switched Stokes shifts in electron-deficient 5-hydroxyisoquinolone derivatives. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.113808] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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22
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Chen J, Rong L, Fang W, Liu J, Liu X. Highly efficient intumescent flame retardant coating for
ABS
: Preparation and application. J Appl Polym Sci 2022. [DOI: 10.1002/app.51860] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jia Chen
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, Flexible Display Materials and Technology Co‐innovation Center of Hubei Province Jianghan University Wuhan China
| | - Li Rong
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, Flexible Display Materials and Technology Co‐innovation Center of Hubei Province Jianghan University Wuhan China
| | - Wei Fang
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, Flexible Display Materials and Technology Co‐innovation Center of Hubei Province Jianghan University Wuhan China
| | - Jiyan Liu
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, Flexible Display Materials and Technology Co‐innovation Center of Hubei Province Jianghan University Wuhan China
| | - Xueqing Liu
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, Flexible Display Materials and Technology Co‐innovation Center of Hubei Province Jianghan University Wuhan China
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23
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Komogortsev AN, Milyutin CV, Lichitsky BV, Melekhina VG. Photoinduced 6π-Electrocyclization of 1,3,5-hexatriene system containing allomaltol fragment: A convenient approach to polycondensed pyrrole derivatives. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132780] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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24
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da Silva RTP, Ribeiro de Barros H, Sandrini DMF, Córdoba de Torresi SI. Stimuli-Responsive Regulation of Biocatalysis through Metallic Nanoparticle Interaction. Bioconjug Chem 2022; 33:53-66. [PMID: 34914373 DOI: 10.1021/acs.bioconjchem.1c00515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The remote control of biocatalytic processes in an extracellular medium is an exciting idea to deliver innovative solutions in the biocatalysis field. With this purpose, metallic nanoparticles (NPs) are great candidates, as their inherent thermal, electric, magnetic, and plasmonic properties can readily be manipulated upon external stimuli. Exploring the unique NP properties beyond an anchoring platform for enzymes brings up the opportunity to extend the efficiency of biocatalysts and modulate their activity through triggered events. In this review, we discuss a set of external stimuli, such as light, electricity, magnetism, and temperature, as tools for the regulation of nanobiocatalysis, including the challenges and perspectives regarding their use. In addition, we elaborate on the use of combined stimuli that create a more refined framework in terms of a multiresponsive system. Finally, we envision this review might instigate researchers in this field of study with a set of promising opportunities in the near future.
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Affiliation(s)
- Rafael T P da Silva
- Instituto de Química, Universidade de São Paulo, São Paulo (SP), 05508-000, Brazil
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25
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Birrell JA, Rodríguez-Maciá P, Reijerse EJ, Martini MA, Lubitz W. The catalytic cycle of [FeFe] hydrogenase: A tale of two sites. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214191] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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26
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Komogortsev AN, Lichitsky BV, Melekhina VG, Nasyrova DI, Milyutin CV. Photoinduced 6π-Electrocyclization of a 1,3,5-Hexatriene System Containing an Allomaltol Fragment. J Org Chem 2021; 86:15345-15356. [PMID: 34637303 DOI: 10.1021/acs.joc.1c01902] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
For the first time, the possibility of photocyclization of the 1,3,5-hexatriene system containing a fragment of allomaltol was demonstrated. A preparative method for the synthesis of previously unknown benzo[5,6]chromeno[8,7-d]oxazole-2,7(3H)-diones was developed based on the investigated photoreaction. A distinctive feature of this approach is the modification of the starting terarylenes aimed at blocking the competitive process leading to side reactions of the pyranone fragment. It was shown that the proposed photocyclization of substituted oxazol-2-ones can be used for the photogeneration of biologically active alcohols and various acids. The structure of one of the cyclization products was determined by X-ray diffraction.
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Affiliation(s)
- Andrey N Komogortsev
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47, Moscow 119991, Russian Federation
| | - Boris V Lichitsky
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47, Moscow 119991, Russian Federation
| | - Valeriya G Melekhina
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47, Moscow 119991, Russian Federation
| | - Darina I Nasyrova
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47, Moscow 119991, Russian Federation
| | - Constantine V Milyutin
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Science, Leninsky Pr., 47, Moscow 119991, Russian Federation
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27
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Zakharov AV, Yadykov AV, Gaeva EB, Metelitsa AV, Shirinian VZ. Photoinduced Skeletal Rearrangement of Diarylethenes: Photorelease of Lewis Acid and Synthetic Applications. J Org Chem 2021; 86:16806-16814. [PMID: 34709041 DOI: 10.1021/acs.joc.1c02033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The skeletal photorearrangement including 6π-electrocyclization induced by UV light of ortho-halogen-substituted diarylethenes has been studied. It has been found that the reaction pathways leading to bi- or tricyclic frameworks depend on the kind of halogen substituent and solvent. Photocyclization with halogen abstraction leads to bicyclic fused aromatics, while the tricyclic frameworks are formed due to the tandem 6π-electrocyclization/sigmatropic shift reaction. THF is preferred as the solvent in the former process and chloroform in the latter reaction. It was found for the first time that, owing to the ability of this series of diarylethenes to undergo skeletal photorearrangement with the release of the bromide cation, they can be used both as brominating agents and as Lewis acids for catalyzing electrophilic reactions.
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Affiliation(s)
- Alexey V Zakharov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47, Leninsky prosp., Moscow 119991, Russian Federation
| | - Anton V Yadykov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47, Leninsky prosp., Moscow 119991, Russian Federation
| | - Elena B Gaeva
- Institute of Physical and Organic Chemistry, Southern Federal University, 194/2 Stachka Avenue, Rostov on Don 344090, Russian Federation
| | - Anatoly V Metelitsa
- Institute of Physical and Organic Chemistry, Southern Federal University, 194/2 Stachka Avenue, Rostov on Don 344090, Russian Federation
| | - Valerii Z Shirinian
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47, Leninsky prosp., Moscow 119991, Russian Federation
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28
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Supej MJ, McLoughlin EA, Hsu JH, Fors BP. Reversible redox controlled acids for cationic ring-opening polymerization. Chem Sci 2021; 12:10544-10549. [PMID: 34447548 PMCID: PMC8356742 DOI: 10.1039/d1sc03011f] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 07/02/2021] [Indexed: 11/25/2022] Open
Abstract
Advancements in externally controlled polymerization methodologies have enabled the synthesis of novel polymeric structures and architectures, and they have been pivotal to the development of new photocontrolled lithographic and 3D printing technologies. In particular, the development of externally controlled ring-opening polymerization (ROP) methodologies is of great interest, as these methods provide access to novel biocompatible and biodegradable block polymer structures. Although ROPs mediated by photoacid generators have made significant contributions to the fields of lithography and microelectronics development, these methodologies rely upon catalysts with poor stability and thus poor temporal control. Herein, we report a class of ferrocene-derived acid catalysts whose acidity can be altered through reversible oxidation and reduction of the ferrocenyl moiety to chemically and electrochemically control the ROP of cyclic esters.
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Affiliation(s)
- Michael J Supej
- Department of Chemistry and Chemical Biology, Cornell University Ithaca New York 14853 USA
| | - Elizabeth A McLoughlin
- Department of Chemistry and Chemical Biology, Cornell University Ithaca New York 14853 USA
| | - Jesse H Hsu
- Department of Chemistry and Chemical Biology, Cornell University Ithaca New York 14853 USA
| | - Brett P Fors
- Department of Chemistry and Chemical Biology, Cornell University Ithaca New York 14853 USA
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29
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Zeppuhar AN, Wolf SM, Falvey DE. Photoacid Generators Activated through Sequential Two-Photon Excitation: 1-Sulfonatoxy-2-alkoxyanthraquinone Derivatives. J Phys Chem A 2021; 125:5227-5236. [PMID: 34129332 DOI: 10.1021/acs.jpca.1c01619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Two sulfonate ester derivatives of anthraquinone, 1-tosyloxy-2-methoxy-9,10-anthraquinone (1a) and 1-trifluoromethylsulfonoxy-2-methoxy-9,10-anthraquinone (1b), were prepared and their ability to produce strong acids upon photoexcitation was examined. It is shown that these compounds generate acid with a yield that increases with light intensity when the applied photon dose is held constant. Additional experiments show that the rate of acid generation increases fourfold when visible light (532 nm) laser pulses are combined with ultraviolet (355 nm) compared with ultraviolet alone. Continuous wave diode laser photolysis also affects acid generation with a rate that depends quadratically on the light intensity. Density functional theory calculations, laser flash photolysis, and chemical trapping experiments support a mechanism, whereby an initially formed triplet state (T1) is excited to a higher triplet state which in turn undergoes homolysis of the RS(O2)-OAr bond. Secondary reactions of the initially formed sulfonyl radicals produce strong acids. It is demonstrated that high-intensity photolysis of either 1a or 1b can initiate cationic polymerization of ethyl vinyl ether.
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Affiliation(s)
- Andrea N Zeppuhar
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, United States
| | - Steven M Wolf
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, United States
| | - Daniel E Falvey
- Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, United States
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30
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Golvari P, Kuebler SM. Fabrication of Functional Microdevices in SU-8 by Multi-Photon Lithography. MICROMACHINES 2021; 12:472. [PMID: 33919437 PMCID: PMC8143355 DOI: 10.3390/mi12050472] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/16/2021] [Accepted: 04/17/2021] [Indexed: 12/19/2022]
Abstract
This review surveys advances in the fabrication of functional microdevices by multi-photon lithography (MPL) using the SU-8 material system. Microdevices created by MPL in SU-8 have been key to progress in the fields of micro-fluidics, micro-electromechanical systems (MEMS), micro-robotics, and photonics. The review discusses components, properties, and processing of SU-8 within the context of MPL. Emphasis is focused on advances within the last five years, but the discussion also includes relevant developments outside this period in MPL and the processing of SU-8. Novel methods for improving resolution of MPL using SU-8 and discussed, along with methods for functionalizing structures after fabrication.
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Affiliation(s)
- Pooria Golvari
- Chemistry Department, University of Central Florida, Orlando, FL 32816, USA;
| | - Stephen M. Kuebler
- Chemistry Department, University of Central Florida, Orlando, FL 32816, USA;
- CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL 32816, USA
- Department of Material Science and Engineering, University of Central Florida, Orlando, FL 32816, USA
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31
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Bonesi S, Protti S, Fagnoni M. Photohomolysis and Photoheterolysis in Aryl Sulfonates and Aryl Phosphates. Chemistry 2021; 27:6315-6323. [PMID: 33481315 DOI: 10.1002/chem.202005426] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Indexed: 01/24/2023]
Abstract
The photochemical behaviour of selected aryl sulfonates and phosphates (ArOX) in polar and nonpolar media has been investigated by laser flash photolysis (LFP) experiments. Two main pathways have been identified, namely the photohomolysis of the ArO-X bond or the photoheterolysis of the Ar-OX bond depending on the nature of the leaving group (OX) and on the nature of the substituents on the aromatic ring. In nonpolar solvents the esters are quite photostable due to an efficient triplet deactivation. In polar solvents, the homolytic fragmentation of the ArO-S bond from the exited singlets was found in aryl sulfonates bearing moderately electron-donating groups as well as electron-withdrawing groups. In electron-rich aryl phosphates and sulfonates photoheterolysis of the Ar-OP/Ar-OS bond took place as the exclusive pathway.
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Affiliation(s)
- Sergio Bonesi
- Department of Chemistry, PhotoGreen Lab, University of Pavia, V. Le Taramelli 12, 27100, Pavia, Italy.,Departamento de Química Orgánica, CIHIDECAR-CONICET, Facultad de Ciencias Exactas y Naturales, University of Buenos Aires, 3er Piso, Pabellón 2, Ciudad Universitaria, Buenos Aires, 1428, Argentina
| | - Stefano Protti
- Department of Chemistry, PhotoGreen Lab, University of Pavia, V. Le Taramelli 12, 27100, Pavia, Italy
| | - Maurizio Fagnoni
- Department of Chemistry, PhotoGreen Lab, University of Pavia, V. Le Taramelli 12, 27100, Pavia, Italy
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32
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Asato R, Martin CJ, Abid S, Gisbert Y, Asanoma F, Nakashima T, Kammerer C, Kawai T, Rapenne G. Molecular Rotor Functionalized with a Photoresponsive Brake. Inorg Chem 2021; 60:3492-3501. [DOI: 10.1021/acs.inorgchem.0c03330] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Ryosuke Asato
- Division of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
- International Collaborative Laboratory for Supraphotoactive Systems, NAIST-CEMES, CNRS, UPR 8011, 29 rue Marvig, F-31055 Toulouse, Cedex 4, France
| | - Colin J. Martin
- International Collaborative Laboratory for Supraphotoactive Systems, NAIST-CEMES, CNRS, UPR 8011, 29 rue Marvig, F-31055 Toulouse, Cedex 4, France
| | - Seifallah Abid
- CEMES, Université de Toulouse, CNRS, 29 rue Marvig, F-31055 Toulouse, Cedex 4, France
| | - Yohan Gisbert
- CEMES, Université de Toulouse, CNRS, 29 rue Marvig, F-31055 Toulouse, Cedex 4, France
| | - Fumio Asanoma
- Division of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Takuya Nakashima
- Division of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Claire Kammerer
- CEMES, Université de Toulouse, CNRS, 29 rue Marvig, F-31055 Toulouse, Cedex 4, France
| | - Tsuyoshi Kawai
- Division of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
- International Collaborative Laboratory for Supraphotoactive Systems, NAIST-CEMES, CNRS, UPR 8011, 29 rue Marvig, F-31055 Toulouse, Cedex 4, France
| | - Gwénaël Rapenne
- Division of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
- International Collaborative Laboratory for Supraphotoactive Systems, NAIST-CEMES, CNRS, UPR 8011, 29 rue Marvig, F-31055 Toulouse, Cedex 4, France
- CEMES, Université de Toulouse, CNRS, 29 rue Marvig, F-31055 Toulouse, Cedex 4, France
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33
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Ali AM, Shao J, Wang JX, Chen QY, Li Y, Qu LL. A Fluorescent Visual Proton Donor and Photoacid Sterilant Based on Sulfonate-conjugated BODIPY. J Fluoresc 2021; 31:501-507. [PMID: 33449251 DOI: 10.1007/s10895-021-02682-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Accepted: 01/05/2021] [Indexed: 11/29/2022]
Abstract
Increasing acidity is an effective method for bacterial inactivation by inhibiting the synthesis of intracellular proteins at low pH. Photo-driven proton release probe can be used for the measurement of proton in hydrophobic condition. To develop fluorescent proton donor, two boron dipyrromethene derivatives (BDP-S and BDP-S2) were characterized by spectroscopic methods. Irradiation of BDP-S by white LED light resulted in efficient generation of acidic species with changes of fluorescence emission. The linear relationship between the pH value and the fluorescence intensity of BDP-S was obtained, indicating that BDP-S is a fluorescent visual proton donor. Light-induced antibacterial results indicate that BDP-S can significantly inhibit the growth of E. coli. The results prove that BDP-S is a very promising photoacid sterilant.
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Affiliation(s)
- Abbas Mohammed Ali
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China
| | - Jian Shao
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China
| | - Jia-Xin Wang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China
| | - Qiu-Yun Chen
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China.
| | - Yang Li
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China
| | - Ling-Ling Qu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, China.
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34
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Golian KP, Akari AS, Hodgson GK, Impellizzeri S. Fluorescence activation, patterning and enhancement with photogenerated radicals, a prefluorescent probe and silver nanostructures. RSC Adv 2021. [DOI: 10.1039/d0ra09565f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
We designed a switchable fluorophore activated by UVA light and a radical initiator, for optical lithography with concomitant metal-enhanced fluorescence by silver nanoparticles.
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Affiliation(s)
- Karol P. Golian
- Laboratory for Nanomaterials and Molecular Plasmonics
- Department of Chemistry and Biology
- Ryerson University
- Toronto
- Canada
| | - Aviya S. Akari
- Laboratory for Nanomaterials and Molecular Plasmonics
- Department of Chemistry and Biology
- Ryerson University
- Toronto
- Canada
| | - Gregory K. Hodgson
- Laboratory for Nanomaterials and Molecular Plasmonics
- Department of Chemistry and Biology
- Ryerson University
- Toronto
- Canada
| | - Stefania Impellizzeri
- Laboratory for Nanomaterials and Molecular Plasmonics
- Department of Chemistry and Biology
- Ryerson University
- Toronto
- Canada
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35
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Lopez de Pariza X, Cordero Jara E, Zivic N, Ruipérez F, Long TE, Sardon H. Novel imino- and aryl-sulfonate based photoacid generators for the cationic ring-opening polymerization of ε-caprolactone. Polym Chem 2021. [DOI: 10.1039/d1py00734c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The use of photoacid generators for the ring opening polymerization of cyclic esters is investigated.
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Affiliation(s)
- Xabier Lopez de Pariza
- POLYMAT and Departamento de Química Aplicada
- Facultad de Ciencias Químicas
- University of the Basque Country UPV/EHU
- Joxe Mari Korta zentroa
- Donostia-San Sebastián 20018
| | - Erick Cordero Jara
- POLYMAT and Departamento de Química Aplicada
- Facultad de Ciencias Químicas
- University of the Basque Country UPV/EHU
- Joxe Mari Korta zentroa
- Donostia-San Sebastián 20018
| | - Nicolas Zivic
- POLYMAT and Departamento de Química Aplicada
- Facultad de Ciencias Químicas
- University of the Basque Country UPV/EHU
- Joxe Mari Korta zentroa
- Donostia-San Sebastián 20018
| | - Fernando Ruipérez
- POLYMAT and Departamento de Química Aplicada
- Facultad de Ciencias Químicas
- University of the Basque Country UPV/EHU
- Joxe Mari Korta zentroa
- Donostia-San Sebastián 20018
| | - Timothy E. Long
- Arizona State University
- School of Molecular Science and Biodesign Center for Sustainable Macromolecular Materials and Manufacturing
- Tempe
- USA
| | - Haritz Sardon
- POLYMAT and Departamento de Química Aplicada
- Facultad de Ciencias Químicas
- University of the Basque Country UPV/EHU
- Joxe Mari Korta zentroa
- Donostia-San Sebastián 20018
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36
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Weinstain R, Slanina T, Kand D, Klán P. Visible-to-NIR-Light Activated Release: From Small Molecules to Nanomaterials. Chem Rev 2020; 120:13135-13272. [PMID: 33125209 PMCID: PMC7833475 DOI: 10.1021/acs.chemrev.0c00663] [Citation(s) in RCA: 261] [Impact Index Per Article: 65.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Indexed: 02/08/2023]
Abstract
Photoactivatable (alternatively, photoremovable, photoreleasable, or photocleavable) protecting groups (PPGs), also known as caged or photocaged compounds, are used to enable non-invasive spatiotemporal photochemical control over the release of species of interest. Recent years have seen the development of PPGs activatable by biologically and chemically benign visible and near-infrared (NIR) light. These long-wavelength-absorbing moieties expand the applicability of this powerful method and its accessibility to non-specialist users. This review comprehensively covers organic and transition metal-containing photoactivatable compounds (complexes) that absorb in the visible- and NIR-range to release various leaving groups and gasotransmitters (carbon monoxide, nitric oxide, and hydrogen sulfide). The text also covers visible- and NIR-light-induced photosensitized release using molecular sensitizers, quantum dots, and upconversion and second-harmonic nanoparticles, as well as release via photodynamic (photooxygenation by singlet oxygen) and photothermal effects. Release from photoactivatable polymers, micelles, vesicles, and photoswitches, along with the related emerging field of photopharmacology, is discussed at the end of the review.
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Affiliation(s)
- Roy Weinstain
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Tomáš Slanina
- Institute
of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 166 10 Prague, Czech Republic
| | - Dnyaneshwar Kand
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Petr Klán
- Department
of Chemistry and RECETOX, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
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37
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Doerr AM, Burroughs JM, Gitter SR, Yang X, Boydston AJ, Long BK. Advances in Polymerizations Modulated by External Stimuli. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03802] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Alicia M. Doerr
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996-1600, United States
| | - Justin M. Burroughs
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996-1600, United States
| | - Sean R. Gitter
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Xuejin Yang
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Andrew J. Boydston
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
- Department of Chemical and Biological Engineering and Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Brian K. Long
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996-1600, United States
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38
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Kortekaas L, Steen JD, Duijnstee DR, Jacquemin D, Browne WR. Noncommutative Switching of Double Spiropyrans. J Phys Chem A 2020; 124:6458-6467. [PMID: 32691598 PMCID: PMC7458433 DOI: 10.1021/acs.jpca.0c02286] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
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The spiropyran
family of photochromes are key components in molecular-based responsive
materials and devices, e.g., as multiphotochromes, covalently coupled
dyads, triads, etc. This attention is in no small part due to the
change in properties that accompany the switch between spiropyran
and merocyanine forms. Although the spiropyran is a single structural
isomer, the merocyanine form represents a family of isomers (TTT, TTC, CCT, etc.) and
protonation states. Combining two spiropyrans into one compound increases
the number of possible structures dramatically and the interaction
between the units determines, which are impeded due to intramolecular
quenching of excited states. Here, we show that the coupling of two
spiropyran photochromes through their phenol units yields favorable
interactions (crosstalk) between the components that provides access
to species inaccessible with the component monospiropyran alone. Specifically,
the ring opening of one spiropyran unit, which is thermally stable
at −30 °C, prevents ring opening of the second spiropyran
unit. Furthermore, whereas protonated E- and Z-monomerocyanines were previously shown to undergo thermal-
and photo-equilibration, the corresponding protonated E- and Z- bimerocyanines are thermally stable and
show one-way photoisomerization from the Z,Z- to an emissive E,E-bimerocyanine
form. Subsequent deprotonation at room temperature resets the system
to the bispiro ring-closed form, but deprotonation at −30 °C
yields the otherwise inaccessible bimerocyanine form. This form is
photochemically inert but undergoes a two-step thermal relaxation
via the merocyanine-spiropyran form, showing that the connection at
the phenol units provides sufficient intramolecular interaction to
fine-tune the complex isomerization pathways of spiropyrans and demonstrating
noncommutability in photo- and pH-regulated multistep isomerization
pathways.
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Affiliation(s)
- Luuk Kortekaas
- Molecular Inorganic Chemistry, Stratingh Institute for Chemistry, Faculty of Mathematics and Natural Sciences, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Jorn D Steen
- Molecular Inorganic Chemistry, Stratingh Institute for Chemistry, Faculty of Mathematics and Natural Sciences, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Daniël R Duijnstee
- Molecular Inorganic Chemistry, Stratingh Institute for Chemistry, Faculty of Mathematics and Natural Sciences, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Denis Jacquemin
- Université de Nantes, CNRS, CEISAM UMR 6230, F-44000 Nantes, France
| | - Wesley R Browne
- Molecular Inorganic Chemistry, Stratingh Institute for Chemistry, Faculty of Mathematics and Natural Sciences, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
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39
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Gao H, Zheng X, Yang T, Zhang Q, Yan C, Zhou X, Shao Y. A pH-triggered G-triplex switch with K + tolerance. Chem Commun (Camb) 2020; 56:7349-7352. [PMID: 32484186 DOI: 10.1039/d0cc02757j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A pH-triggered G-triplex (G3) switch is demonstrated to operate in K+ using a planar ligand enabling reversible iminium-alkanolamine conversion as the G3 structuring-destructuring initiator.
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Affiliation(s)
- Heng Gao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, Zhejiang, China.
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40
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Tsuchimura T. Recent Progress in Photo-Acid Generators for Advanced Photopolymer Materials. J PHOTOPOLYM SCI TEC 2020. [DOI: 10.2494/photopolymer.33.15] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Tomotaka Tsuchimura
- Synthetic Organic Chemistry Laboratories, Research & Development Management Headquarters, FUJIFILM Corporation
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41
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Systematic studies of structural variations in terarylene photohydride generators. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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42
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Shiraishi A, Yamashita T. Photolysis Mechanism of Quaternary Amidinium Salts. ChemistrySelect 2020. [DOI: 10.1002/slct.202000130] [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)
| | - Takashi Yamashita
- Department of Applied Chemistry, School of EngineeringTokyo University of Technology 1404-1 Katakura, Hachioji Tokyo 192-0982 Japan
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43
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Kuznetsova NA, Malkov GV, Gribov BG. Photoacid generators. Application and current state of development. RUSSIAN CHEMICAL REVIEWS 2020. [DOI: 10.1070/rcr4899] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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44
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Sambath K, Wan Z, Wang Q, Chen H, Zhang Y. BODIPY-Based Photoacid Generators for Light-Induced Cationic Polymerization. Org Lett 2020; 22:1208-1212. [DOI: 10.1021/acs.orglett.0c00118] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Karthik Sambath
- Department of Chemistry and Environmental Science, College of Science and Liberal Arts, New Jersey Institute of Technology, 323 Martin Luther King Jr. Boulevard, Newark, New Jersey 07102, United States
| | - Zhaoxiong Wan
- Department of Chemistry and Environmental Science, College of Science and Liberal Arts, New Jersey Institute of Technology, 323 Martin Luther King Jr. Boulevard, Newark, New Jersey 07102, United States
| | - Qi Wang
- Department of Chemistry and Environmental Science, College of Science and Liberal Arts, New Jersey Institute of Technology, 323 Martin Luther King Jr. Boulevard, Newark, New Jersey 07102, United States
| | - Hao Chen
- Department of Chemistry and Environmental Science, College of Science and Liberal Arts, New Jersey Institute of Technology, 323 Martin Luther King Jr. Boulevard, Newark, New Jersey 07102, United States
| | - Yuanwei Zhang
- Department of Chemistry and Environmental Science, College of Science and Liberal Arts, New Jersey Institute of Technology, 323 Martin Luther King Jr. Boulevard, Newark, New Jersey 07102, United States
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45
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Tsuchimura T. Molecular Design and Function of Photo-acid Generators Utilized for Advanced Industries. J SYN ORG CHEM JPN 2020. [DOI: 10.5059/yukigoseikyokaishi.78.41] [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)
- Tomotaka Tsuchimura
- Synthetic Organic Chemistry Laboratories, Research & Development Management Headquarters, FUJIFILM Corporation
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46
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Lai H, Zhang J, Xing F, Xiao P. Recent advances in light-regulated non-radical polymerisations. Chem Soc Rev 2020; 49:1867-1886. [DOI: 10.1039/c9cs00731h] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
This review summarises recent advances in light-regulated non-radical polymerisations as well as the applications in materials science.
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Affiliation(s)
- Haiwang Lai
- Department of Immunobiology
- College of Life Science and Technology
- Jinan University
- Guangzhou 510632
- China
| | - Jing Zhang
- Research School of Chemistry
- The Australian National University
- Canberra
- Australia
- Department of Chemical Engineering
| | - Feiyue Xing
- Department of Immunobiology
- College of Life Science and Technology
- Jinan University
- Guangzhou 510632
- China
| | - Pu Xiao
- Research School of Chemistry
- The Australian National University
- Canberra
- Australia
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47
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Mizutsu R, Asato R, Martin CJ, Yamada M, Nishikawa Y, Katao S, Yamada M, Nakashima T, Kawai T. Photo-Lewis Acid Generator Based on Radical-Free 6π Photo-Cyclization Reaction. J Am Chem Soc 2019; 141:20043-20047. [PMID: 31814390 DOI: 10.1021/jacs.9b11821] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We present here a new photo-active molecule which acts as a photo-Lewis acid generator (PLAG) based on photo-chemical 6π-percyclization. Photo-illumination of the PLAG molecule produces a condensed aromatic carbocation with a triflate counteranion, which exhibits Lewis acid chemical catalytic reactivity such as initiation of the polymerization of epoxy monomers and catalysis of Mukaiyama-aldol reactions. The terminal-end structure in the epoxy polymerization was modified with the Lewis acid fragment. The carbocation induced the Mukaiyama-aldol reaction as a new photo-gated system with remarkably high catalytic reactivity and turnover numbers higher than 60. The photo-chemical quantum yield of the carbocation generation is 50%, which is considerably higher than obtained with most Brønsted photo-acid generators.
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Affiliation(s)
- Ryo Mizutsu
- Division of Materials Science , Nara Institute of Science and Technology (NAIST) , Ikoma , Nara 630-0192 , Japan
| | - Ryosuke Asato
- Division of Materials Science , Nara Institute of Science and Technology (NAIST) , Ikoma , Nara 630-0192 , Japan.,NAIST-CEMES International Collaborative Laboratory for Supraphotoactive Systems , NAIST, CEMES-UPR 8011 CNRS , 29, rue Jeanne Marvig , BP 94347, 31055 Toulouse Cedex 4 , France
| | - Colin J Martin
- Division of Materials Science , Nara Institute of Science and Technology (NAIST) , Ikoma , Nara 630-0192 , Japan.,NAIST-CEMES International Collaborative Laboratory for Supraphotoactive Systems , NAIST, CEMES-UPR 8011 CNRS , 29, rue Jeanne Marvig , BP 94347, 31055 Toulouse Cedex 4 , France
| | - Mihoko Yamada
- Division of Materials Science , Nara Institute of Science and Technology (NAIST) , Ikoma , Nara 630-0192 , Japan
| | - Yoshiko Nishikawa
- Division of Materials Science , Nara Institute of Science and Technology (NAIST) , Ikoma , Nara 630-0192 , Japan
| | - Shohei Katao
- Division of Materials Science , Nara Institute of Science and Technology (NAIST) , Ikoma , Nara 630-0192 , Japan
| | - Miku Yamada
- Division of Materials Science , Nara Institute of Science and Technology (NAIST) , Ikoma , Nara 630-0192 , Japan
| | - Takuya Nakashima
- Division of Materials Science , Nara Institute of Science and Technology (NAIST) , Ikoma , Nara 630-0192 , Japan
| | - Tsuyoshi Kawai
- Division of Materials Science , Nara Institute of Science and Technology (NAIST) , Ikoma , Nara 630-0192 , Japan.,NAIST-CEMES International Collaborative Laboratory for Supraphotoactive Systems , NAIST, CEMES-UPR 8011 CNRS , 29, rue Jeanne Marvig , BP 94347, 31055 Toulouse Cedex 4 , France
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48
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Abstract
In this report, we demonstrate that visible-light-induced thiourea photoacids catalyze C-C bond-forming reactions. Upon photoirradiation, Schreiner's thiourea [(N,N'-bis[3,5-bis(trifluoromethyl)phenyl]-thiourea] catalyzes the double Friedel-Crafts addition of indoles to aldehydes and isatins to form the corresponding triarylmethanes and 3,3'-diarylindolin-2-ones. This protocol is amenable to a wide range of aldehyde and isatin electrophiles, as well as a variety of electronically diverse indoles. Mechanistic studies show that light is required for reaction initiation.
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Affiliation(s)
- Zena M Salem
- Department of Chemistry and Biochemistry , Seton Hall University , 400 South Orange Avenue , South Orange , New Jersey 07079 , United States
| | - Jason Saway
- Department of Chemistry and Biochemistry , Seton Hall University , 400 South Orange Avenue , South Orange , New Jersey 07079 , United States
| | - Joseph J Badillo
- Department of Chemistry and Biochemistry , Seton Hall University , 400 South Orange Avenue , South Orange , New Jersey 07079 , United States
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49
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Fei Y, Yan C, Yu Y, Gao L, Ye T, Zhang Q, Gao H, Zhou X, Shao Y. Fluorescently probing site-specific and self-catalyzed DNA depurination. Analyst 2019; 144:5842-5847. [PMID: 31482933 DOI: 10.1039/c9an01412h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Depurination occurs via hydrolysis of the purine-deoxyribose glycosyl bond and causes nucleic acid damage. In particular, the DNA sequences that can undergo a self-catalyzed depurination (SCD) will cause a great uncertainty in duplicating, separating, purifying, and storing the DNA samples. Therefore, there is a great demand to develop a rapid detection method for SCD events. Herein, the use of a convenient fluorescence method to follow the site-specific SCD was demonstrated. We found that the resultant apurine site (AP site) from depurination can be selectively recognized by a fluorescent probe of palmatine (PAL) with a turn-on fluorescence response. The dependence of SCD on the bases of the depurination site, pH, metal ions, and time shows that our method can be used to rapidly evaluate the depurination process. Furthermore, the depurination process can be photo-switched using a photoacid as an external initiator. Our work will find wide applications in preliminarily identifying the DNA depurination.
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Affiliation(s)
- Yifan Fei
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, Zhejiang, China.
| | - Chenxiao Yan
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, Zhejiang, China.
| | - Yali Yu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, Zhejiang, China.
| | - Longlong Gao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, Zhejiang, China.
| | - Ting Ye
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, Zhejiang, China.
| | - Qingqing Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, Zhejiang, China.
| | - Heng Gao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, Zhejiang, China.
| | - Xiaoshun Zhou
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, Zhejiang, China.
| | - Yong Shao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, Zhejiang, China.
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50
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Melekhina VG, Komogortsev AN, Lichitsky BV, Mityanov VS, Fakhrutdinov AN, Dudinov AA, Migulin VA, Nelyubina YV, Melnikova EK, Krayushkin MM. Unexpected photochemical transformation of imidazole derivatives containing the 5-hydroxy-2-methyl-4H-pyran-4-one moiety. Environmentally friendly method for the synthesis of substituted imidazo[1,5-a]pyridine-5,8-diones. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151080] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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