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Luo L, Liu F, Li Z, Yue S, Wang L, Zhang S, Lin S, Luo J, Wang M, Zhang Y, Abdelrahim M, Xing Q, Geng J. Amphiphilic Block Copolymers Containing Benzenesulfonyl Azide Groups as Visible Light-Responsive Drug Carriers for Image-Guided Delivery. Biomacromolecules 2024; 25:1671-1681. [PMID: 38354397 DOI: 10.1021/acs.biomac.3c01204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
Nanoparticles (NPs) containing light-responsive polymers and imaging agents show great promise for controlled drug delivery. However, most light-responsive NPs rely on short-wavelength excitation, resulting in poor tissue penetration and potential cytotoxicity. Moreover, excessively sensitive NPs may prematurely release drugs during storage and circulation, diminishing their efficacy and causing off-target toxicity. Herein, we report visible-light-responsive NPs composed of an amphiphilic block copolymer containing responsive 4-acrylamide benzenesulfonyl azide (ABSA) and hydrophilic N,N'-dimethylacrylamide (DMA) units. The polymer pDMA-ABSA was loaded with the chemotherapy drug dasatinib and zinc tetraphenylporphyrin (ZnTPP). ZnTPP acted as an imaging reagent and a photosensitizer to reduce ABSA upon visible light irradiation, converting hydrophobic units to hydrophilic units and disrupting NPs to trigger drug release. These NPs enabled real-time fluorescence imaging in cells and exhibited synergistic chemophotodynamic therapy against multiple cancer cell lines. Our light-responsive NP platform holds great promise for controlled drug delivery and cancer theranostics, circumventing the limitations of traditional photosensitive nanosystems.
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Affiliation(s)
- Lei Luo
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Fei Liu
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Zhiying Li
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Siyuan Yue
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Liang Wang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Shiling Zhang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Shanmeng Lin
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Jinyan Luo
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Meng Wang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yichuan Zhang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Mohamed Abdelrahim
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Qi Xing
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Jin Geng
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Key Laboratory of Biomedical Imaging Science and System, Chinese Academy of Sciences, Shenzhen 518000, China
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2
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Bokosi FRB, Shiels OJ, Richardson C, Trevitt AJ, Keaveney ST. Divergent Reactivity of 1,2,3-Benzotriazin-4(3 H)-ones: Photocatalytic Synthesis of 3-Substituted Isoindolinones Achieved through a Nitrogen-Mediated Hydrogen Atom Shift. J Org Chem 2024; 89:1836-1845. [PMID: 38226655 DOI: 10.1021/acs.joc.3c02545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
A regioselective visible-light-mediated denitrogenative alkene insertion of 1,2,3-benzotriazin-4(3H)-ones was developed to access 3-substituted isoindolinones, an important structural motif present in many biologically active molecules and natural products. Notably, divergent reactivity was achieved by switching from reported nickel catalysis (where C3-substituted 3,4-dihydroisoquinolin-1(2H)-ones form) to photocatalysis, where photocatalytic denitrogenation and a subsequent nitrogen-mediated hydrogen atom shift lead to exclusive 3-substituted isoindolinone formation. The developed photocatalytic reaction is compatible with activated terminal alkenes and cyclic α,β-unsaturated esters and ketones, with wide functional group tolerance for N-substitution of the 1,2,3-benzotriazin-4(3H)-ones. The utility of this procedure is highlighted by a gram-scale synthesis and postsynthetic amidation. To understand the origin of this unique product selectivity, experimental and computational mechanistic studies were performed.
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Affiliation(s)
- Fostino R B Bokosi
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Oisin J Shiels
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Christopher Richardson
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Adam J Trevitt
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Sinead T Keaveney
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales 2522, Australia
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3
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Li M, Harrison W, Zhang Z, Yuan Y, Zhao H. Remote stereocontrol with azaarenes via enzymatic hydrogen atom transfer. Nat Chem 2024; 16:277-284. [PMID: 37973942 DOI: 10.1038/s41557-023-01368-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 10/13/2023] [Indexed: 11/19/2023]
Abstract
Strategies for achieving asymmetric catalysis with azaarenes have traditionally fallen short of accomplishing remote stereocontrol, which would greatly enhance accessibility to distinct azaarenes with remote chiral centres. The primary obstacle to achieving superior enantioselectivity for remote stereocontrol has been the inherent rigidity of the azaarene ring structure. Here we introduce an ene-reductase system capable of modulating the enantioselectivity of remote carbon-centred radicals on azaarenes through a mechanism of chiral hydrogen atom transfer. This photoenzymatic process effectively directs prochiral radical centres located more than six chemical bonds, or over 6 Å, from the nitrogen atom in azaarenes, thereby enabling the production of a broad array of azaarenes possessing a remote γ-stereocentre. Results from our integrated computational and experimental investigations underscore that the hydrogen bonding and steric effects of key amino acid residues are important for achieving such high stereoselectivities.
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Affiliation(s)
- Maolin Li
- DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Carl Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Wesley Harrison
- DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Carl Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Zhengyi Zhang
- DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Carl Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Yujie Yuan
- DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Carl Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Huimin Zhao
- DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
- Carl Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
- NSF Molecular Maker Lab Institute, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
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Zhang Y, Jiang Y, Nafady A, Tang Z, Al-Enizi AM, Tan K, Ma S. Incorporation of Chiral Frustrated Lewis Pair into Metal-Organic Framework with Tailored Microenvironment for Heterogeneous Enantio- and Chemoselective Hydrogenation. ACS CENTRAL SCIENCE 2023; 9:1692-1701. [PMID: 37637733 PMCID: PMC10451035 DOI: 10.1021/acscentsci.3c00637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Indexed: 08/29/2023]
Abstract
The development of efficient heterogeneous catalysts with multiselectivity (e.g., enantio- and chemoselectivity) has long been sought after but with limited progress being made so far. To achieve enantio- and chemoselectivity in a heterogeneous system, as inspired by enzymes, we illustrate herein an approach of creating an enzyme-mimic region (EMR) within the nanospace of a metal-organic framework (MOF) as exemplified in the context of incorporating a chiral frustrated Lewis pair (CFLP) into a MOF with a tailored pore environment. Due to the high density of the EMR featuring the active site of CFLP and auxiliary sites of the hydroxyl group/open metal site within the vicinity of CFLP, the resultant EMR@MOF demonstrated excellent catalysis performance in heterogeneous hydrogenation of α,β-unsaturated imines to afford chiral β-unsaturated amines with high yields and high enantio- and chemoselectivity. The role of the hydroxyl group/open metal site in regulating chemoselectivity was proved by the observation of a catalyst-substrate interaction experimentally, which was also rationalized by computational results. This work not only contributes a MOF as a new platform for multiselective catalysis but also opens a promising avenue to develop heterogeneous catalysts with multiselectivity for challenging yet important transformations.
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Affiliation(s)
- Yin Zhang
- Department
of Chemistry, University of North Texas, Denton, Texas 76201, United States
| | - Yao Jiang
- School
of Chemistry and Chemical Engineering, Hefei
University of Technology, Hefei 230009, People’s Republic of China
| | - Ayman Nafady
- Department
of Chemistry, College of Science, King Saud
University, Riyadh 11451, Saudi Arabia
| | - Zhiyong Tang
- National
Center for Nanoscience and Nanotechnology, No. 11 ZhongGuanCun BeiYiTiao, 100190 Beijing, People’s Republic of China
| | - Abdullah M. Al-Enizi
- Department
of Chemistry, College of Science, King Saud
University, Riyadh 11451, Saudi Arabia
| | - Kui Tan
- Department
of Chemistry, University of North Texas, Denton, Texas 76201, United States
| | - Shengqian Ma
- Department
of Chemistry, University of North Texas, Denton, Texas 76201, United States
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5
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Hong D, Shi L, Liu X, Ya H, Han X. Photocatalysis in Water-Soluble Supramolecular Metal Organic Complex. Molecules 2023; 28:molecules28104068. [PMID: 37241809 DOI: 10.3390/molecules28104068] [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: 03/20/2023] [Revised: 04/28/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
As an emerging subset of organic complexes, metal complexes have garnered considerable attention owing to their outstanding structures, properties, and applications. In this content, metal-organic cages (MOCs) with defined shapes and sizes provide internal spaces to isolate water for guest molecules, which can be selectively captured, isolated, and released to achieve control over chemical reactions. Complex supramolecules are constructed by simulating the self-assembly behavior of the molecules or structures in nature. For this purpose, massive amounts of cavity-containing supramolecules, such as metal-organic cages (MOCs), have been extensively explored for a large variety of reactions with a high degree of reactivity and selectivity. Because sunlight and water are necessary for the process of photosynthesis, water-soluble metal-organic cages (WSMOCs) are ideal platforms for photo-responsive stimulation and photo-mediated transformation by simulating photosynthesis due to their defined sizes, shapes, and high modularization of metal centers and ligands. Therefore, the design and synthesis of WSMOCs with uncommon geometries embedded with functional building units is of immense importance for artificial photo-responsive stimulation and photo-mediated transformation. In this review, we introduce the general synthetic strategies of WSMOCs and their applications in this sparking field.
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Affiliation(s)
- Dongfeng Hong
- College of Food and Drug, Henan Functional Cosmetics Engineering & Technology Research Center, Luoyang Normal University, Luoyang 471934, China
| | - Linlin Shi
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Xianghui Liu
- College of Food and Drug, Henan Functional Cosmetics Engineering & Technology Research Center, Luoyang Normal University, Luoyang 471934, China
| | - Huiyuan Ya
- College of Food and Drug, Henan Functional Cosmetics Engineering & Technology Research Center, Luoyang Normal University, Luoyang 471934, China
| | - Xin Han
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
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6
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Song H, Amati A, Pannwitz A, Bonnet S, Hammarström L. Mechanistic Insights into the Charge Transfer Dynamics of Photocatalytic Water Oxidation at the Lipid Bilayer-Water Interface. J Am Chem Soc 2022; 144:19353-19364. [PMID: 36250745 DOI: 10.1021/jacs.2c06842] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Photosystem II, the natural water-oxidizing system, is a large protein complex embedded in a phospholipid membrane. A much simpler system for photocatalytic water oxidation consists of liposomes functionalized with amphiphilic ruthenium(II)-tris-bipyridine photosensitizer (PS) and 6,6'-dicarboxylato-2,2'-bipyridine-ruthenium(II) catalysts (Cat) with a water-soluble sacrificial electron acceptor (Na2S2O8). However, the effect of embedding this photocatalytic system in liposome membranes on the mechanism of photocatalytic water oxidation was not well understood. Here, several phenomena have been identified by spectroscopic tools, which explain the drastically different kinetics of water photo-oxidizing liposomes, compared with analogous homogeneous systems. First, the oxidative quenching of photoexcited PS* by S2O82- at the liposome surface occurs solely via static quenching, while dynamic quenching is observed for the homogeneous system. Moreover, the charge separation efficiency after the quenching reaction is much smaller than unity, in contrast to the quantitative generation of PS+ in homogeneous solution. In parallel, the high local concentration of the membrane-bound PS induces self-quenching at 10:1-40:1 molar lipid-PS ratios. Finally, while the hole transfer from PS+ to catalyst is rather fast in homogeneous solution (kobs > 1 × 104 s-1 at [catalyst] > 50 μM), in liposomes at pH = 4, the reaction is rather slow (kobs ≈ 17 s-1 for 5 μM catalyst in 100 μM DMPC lipid). Overall, the better understanding of these productive and unproductive pathways explains what limits the rate of photocatalytic water oxidation in liposomal vs homogeneous systems, which is required for future optimization of light-driven catalysis within self-assembled lipid interfaces.
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Affiliation(s)
- Hongwei Song
- Department of Chemistry-Angstrom Laboratory, Uppsala University, Box 523, 751 20 Uppsala, Sweden
| | - Agnese Amati
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Andrea Pannwitz
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands.,Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Sylvestre Bonnet
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Leif Hammarström
- Department of Chemistry-Angstrom Laboratory, Uppsala University, Box 523, 751 20 Uppsala, Sweden
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7
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Sun T, Jin R, Yang Y, Jia Y, Hu S, Jin Y, Wang Q, Li Z, Zhang Y, Wu J, Jiang Y, Lv X, Liu S. Direct α-C-H Alkylation of Structurally Diverse Alcohols via Combined Tavaborole and Photoredox Catalysis. Org Lett 2022; 24:7637-7642. [PMID: 36218287 DOI: 10.1021/acs.orglett.2c03117] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Herein, we report a method that uses antifungal tavaborole as a co-catalyst for direct α-C-H alkylation of structurally diverse alcohols through photoredox catalysis. The protocol features mild conditions, remarkable scope, and wide functional group tolerance, which allows for the construction of a wide array of highly functionalized alcohols, including homoserine derivatives and C-glycosyl amino acids. We also demonstrate the synthetic applications of this methodology to the late-stage functionalization of pharmaceuticals and natural products.
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Affiliation(s)
- Tianyi Sun
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, Zhejiang 314001, People's Republic of China
| | - Ruyi Jin
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, Zhejiang 314001, People's Republic of China
| | - Yan Yang
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, Zhejiang 314001, People's Republic of China
| | - Yuqi Jia
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, Zhejiang 314001, People's Republic of China
| | - Shuxu Hu
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, Zhejiang 314001, People's Republic of China
| | - Yanqi Jin
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, Zhejiang 314001, People's Republic of China
| | - Qin Wang
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, Zhejiang 314001, People's Republic of China
| | - Ziyu Li
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, Zhejiang 314001, People's Republic of China
| | - Yifan Zhang
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, Zhejiang 314001, People's Republic of China
| | - Jiming Wu
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, Zhejiang 314001, People's Republic of China
| | - Yuxin Jiang
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, Zhejiang 314001, People's Republic of China
| | - Xiaoqing Lv
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, Zhejiang 314001, People's Republic of China
| | - Shihui Liu
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, Zhejiang 314001, People's Republic of China
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8
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Nandi S, Jana R. Toward Sustainable Photo‐/Electrocatalytic Carboxylation of Organic Substrates with CO2. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Shantanu Nandi
- Indian Institute of Chemical Biology CSIR Organic and Medicinal Chemistry Division 4 Raja S C Mullick RoadJadavpur 700032 Kolkata INDIA
| | - Ranjan Jana
- Indian Institute of Chemical Biology CSIR Chemistry Division 4, Raja S. C. Mullick RoadJadavpur 700032 Kolkata INDIA
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