1
|
El-Arid S, Lenihan JM, Jacobsen A, Beeler AB, Grinstaff MW. Accessing Cyclobutane Polymers: Overcoming Synthetic Challenges via Efficient Continuous Flow [2 + 2] Photopolymerization. ACS Macro Lett 2024; 13:607-613. [PMID: 38695337 DOI: 10.1021/acsmacrolett.4c00083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
We report an improved and efficient method to prepare well-defined, structurally complex truxinate cyclobutane polymers via a thioxanthone sensitized solution state [2 + 2] photopolymerization. Monomers with varying electron density and structure polymerize in good to excellent yields to afford a library of 42 polyesters. Monomers with internal olefin separation distances of greater than 5 Å undergo polymerization via intermolecular [2 + 2] photocycloaddition readily, as opposed to the intramolecular [2 + 2] photocycloaddition observed in monomers with olefins in closer proximity. Use of a continuous flow reactor decreases reaction time, increases polymer molecular weight, and decreases dispersity compared to batch reactions. Furthermore, under continuous flow, polymerization is readily scalable beyond what is possible with batch reactions. This advancement ushers truxinate cyclobutane-based polyesters, which have been historically limited to a few examples and only research scale quantities, to the forefront of development as new materials for potential use across industry sectors.
Collapse
|
2
|
Zhou J, Wang Z, Xu H, Su M, Wen J. Synthesis of alkynyl sulfides via base-promoted nucleophilic ring-opening of α-bromostyrene sulfonium salt. Org Biomol Chem 2024; 22:2953-2957. [PMID: 38546108 DOI: 10.1039/d4ob00203b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/18/2024]
Abstract
An efficient method for the synthesis of alkynyl sulfides via a C(sp3)-S bond cleavage of α-bromostyrene sulfonium salts has been developed. This base-promoted nucleophilic ring-opening pathway allows the preparation of diverse alkynyl sulfide compounds using tetramethylene sulfoxide as the sulfur source. The reaction proceeds with good functional group tolerance and could be applied to the late-stage functionalization of bioactive molecules and drugs. Furthermore, the synthetic utility of this method was demonstrated by a one-pot synthesis, scale-up reaction and further modification of various alkynyl sulfide products.
Collapse
Affiliation(s)
- Junqi Zhou
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.
| | - Ziyu Wang
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.
| | - Hanmiao Xu
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.
| | - Mengke Su
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.
| | - Jian Wen
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China.
| |
Collapse
|
3
|
Zhang H, Tang B, Zhang B, Huang K, Li S, Zhang Y, Zhang H, Bai L, Wu Y, Cheng Y, Yang Y, Han G. X-ray-activated polymerization expanding the frontiers of deep-tissue hydrogel formation. Nat Commun 2024; 15:3247. [PMID: 38622169 PMCID: PMC11018743 DOI: 10.1038/s41467-024-47559-z] [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: 07/02/2023] [Accepted: 04/04/2024] [Indexed: 04/17/2024] Open
Abstract
Photo-crosslinking polymerization stands as a fundamental pillar in the domains of chemistry, biology, and medicine. Yet, prevailing strategies heavily rely on ultraviolet/visible (UV/Vis) light to elicit in situ crosslinking. The inherent perils associated with UV radiation, namely the potential for DNA damage, coupled with the limited depth of tissue penetration exhibited by UV/Vis light, severely restrict the scope of photo-crosslinking within living organisms. Although near-infrared light has been explored as an external excitation source, enabling partial mitigation of these constraints, its penetration depth remains insufficient, particularly within bone tissues. In this study, we introduce an approach employing X-ray activation for deep-tissue hydrogel formation, surpassing all previous boundaries. Our approach harnesses a low-dose X-ray-activated persistent luminescent phosphor, triggering on demand in situ photo-crosslinking reactions and enabling the formation of hydrogels in male rats. A breakthrough of our method lies in its capability to penetrate deep even within thick bovine bone, demonstrating unmatched potential for bone penetration. By extending the reach of hydrogel formation within such formidable depths, our study represents an advancement in the field. This application of X-ray-activated polymerization enables precise and safe deep-tissue photo-crosslinking hydrogel formation, with profound implications for a multitude of disciplines.
Collapse
Affiliation(s)
- Hailei Zhang
- College of Chemistry & Materials Science, Hebei University, Baoding, 071002, P. R. China.
| | - Boyan Tang
- College of Chemistry & Materials Science, Hebei University, Baoding, 071002, P. R. China
| | - Bo Zhang
- College of Chemistry & Materials Science, Hebei University, Baoding, 071002, P. R. China
| | - Kai Huang
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, Massachusetts, MA, 01605, USA
| | - Shanshan Li
- College of Chemistry & Materials Science, Hebei University, Baoding, 071002, P. R. China
| | - Yuangong Zhang
- College of Chemistry & Materials Science, Hebei University, Baoding, 071002, P. R. China
| | - Haisong Zhang
- Affiliated Hospital of Hebei University, Baoding, 071000, P. R. China
| | - Libin Bai
- College of Chemistry & Materials Science, Hebei University, Baoding, 071002, P. R. China
| | - Yonggang Wu
- College of Chemistry & Materials Science, Hebei University, Baoding, 071002, P. R. China
| | - Yongqiang Cheng
- College of Chemistry & Materials Science, Hebei University, Baoding, 071002, P. R. China
| | - Yanmin Yang
- College of Physics Science and Technology, Institute of Life Science and Green Development, Hebei Key Lab of Optic-electronic Information and Materials, Hebei University, Baoding, 071002, P. R. China.
| | - Gang Han
- Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, Massachusetts, MA, 01605, USA.
| |
Collapse
|
4
|
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.
Collapse
Affiliation(s)
- Frédéric Dumur
- Aix Marseille Univ, CNRS, ICR, UMR 7273, F-13397 Marseille, France
| |
Collapse
|
5
|
Ahmad A, Siddiqui SA, Mittal G, Sukumar N, Dubey KD, Kapat A. Design and Synthesis of Co-initiators via Base-Catalysed Sequential Conjugate Addition: Application in Photoinduced Radical Polymerisation Reaction. Chemistry 2023; 29:e202301844. [PMID: 37503865 DOI: 10.1002/chem.202301844] [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: 06/10/2023] [Revised: 07/27/2023] [Accepted: 07/28/2023] [Indexed: 07/29/2023]
Abstract
Applications of photochemistry are becoming very popular in modern-day life due to its operational simplicity, environmentally friendly and economically sustainable nature in comparison to thermochemistry. In particular photoinduced radical polymerisation (PRP) reactions are finding more biological applications and especially in the areas of dental restoration processes, tissue engineering and artificial bone generation. A type-II photoinitiator and co-initiator-promoted PRP turned out to be a cost-effective protocol, and herein we report the design and synthesis of a new efficient co-initiator for a PRP reaction via a barrierless sequential conjugate addition reaction. Experimental mechanistic observations have been further complemented by computational data. Time for newly synthesised 1,2-benzenedithiol (DTH) based co-initiator promoted polymerisation of urethane dimethacrylate (UDMA, 70 %) and triethylene glycol dimethacrylate (TEGDMA, 30 %) in presence of 450 nm LED (15 W) under the aerobic conditions is 38 seconds. Polymeric material has high glass transition temperature, improved mechanical strength (860 BHN) and longer in-depth polymerisation (3 cm).
Collapse
Affiliation(s)
- Asrar Ahmad
- Department of Chemistry, School of Natural Science, Shiv Nadar (Institution of Eminence Deemed to be University), Delhi-NCR, Dadri, Chithera, Gautam Buddha Nagar, Uttar Pradesh, 201314, India
| | - Shakir Ali Siddiqui
- Department of Chemistry, School of Natural Science, Shiv Nadar (Institution of Eminence Deemed to be University), Delhi-NCR, Dadri, Chithera, Gautam Buddha Nagar, Uttar Pradesh, 201314, India
| | - Garvisha Mittal
- Department of Chemistry, School of Natural Science, Shiv Nadar (Institution of Eminence Deemed to be University), Delhi-NCR, Dadri, Chithera, Gautam Buddha Nagar, Uttar Pradesh, 201314, India
| | - N Sukumar
- Department of Chemistry, School of Natural Science, Shiv Nadar (Institution of Eminence Deemed to be University), Delhi-NCR, Dadri, Chithera, Gautam Buddha Nagar, Uttar Pradesh, 201314, India
- Current affiliation: Centre for Computational Engineering & Networking, School of Artificial Intelligence, Amrita Vishwa Vidyapeetham, Coimbatore, 641105, Tamil Nadu, India
| | - Kshatresh Dutta Dubey
- Department of Chemistry, School of Natural Science, Shiv Nadar (Institution of Eminence Deemed to be University), Delhi-NCR, Dadri, Chithera, Gautam Buddha Nagar, Uttar Pradesh, 201314, India
| | - Ajoy Kapat
- Department of Chemistry, School of Natural Science, Shiv Nadar (Institution of Eminence Deemed to be University), Delhi-NCR, Dadri, Chithera, Gautam Buddha Nagar, Uttar Pradesh, 201314, India
| |
Collapse
|
6
|
Islam S, Sangermano M, Klar TA. STED-Inspired Cationic Photoinhibition Lithography. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2023; 127:18736-18744. [PMID: 37752901 PMCID: PMC10518867 DOI: 10.1021/acs.jpcc.3c04394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/17/2023] [Indexed: 09/28/2023]
Abstract
Direct laser writing by two-photon lithography has been enhanced substantially during the past two decades by techniques borrowed from stimulated emission depletion (STED) microscopy. However, STED-inspired lithography was so far limited to radical polymerizations, mostly to acrylates and methacrylates. Cationic polymers did not derive benefits from this technique. Specifically, epoxide polymerization, which plays a paramount role in semiconductor clean-room technology, has not yet been reported with a second, depleting laser focus in the outer rim of the point spread function. We now found that using a thioxanthone as a sensitizer and sulfonium or iodonium salts as photoinitiators enables at least partial optical on/off switching of two-photon polymerization and, in the case of the sulfonium salt, allows for writing epoxy lines with widths shrunk by approx. two-thirds compared to lines written with two-photon polymerization alone.
Collapse
Affiliation(s)
- Sourav Islam
- Institute
of Applied Physics, Johannes Kepler University
Linz, 4040 Linz, Austria
| | - Marco Sangermano
- Department
of Applied Science and Technology, Politecnico
Di Torino, 10124 Torino, Italy
| | - Thomas A. Klar
- Institute
of Applied Physics, Johannes Kepler University
Linz, 4040 Linz, Austria
| |
Collapse
|
7
|
M. Aldebasi S, Tar H, S. Alnafisah A, Beji L, Kouki N, Morlet-Savary F, Alminderej FM, Aroua LM, Lalevée J. Photochemical Synthesis of Noble Metal Nanoparticles: Influence of Metal Salt Concentration on Size and Distribution. Int J Mol Sci 2023; 24:14018. [PMID: 37762321 PMCID: PMC10530956 DOI: 10.3390/ijms241814018] [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: 07/16/2023] [Revised: 09/01/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
This paper explores the photochemical synthesis of noble metal nanoparticles, specifically gold (Au) and silver (Ag) nanoparticles, using a one-component photoinitiator system. The synthesis process involves visible light irradiation at a wavelength of 419 nm and an intensity of 250 mW/cm2. The radical-generating capabilities of the photoinitiators were evaluated using electron spin resonance (ESR) spectroscopy. The main objective of this study was to investigate how the concentration of metal salts influences the size and distribution of the nanoparticles. Proposed mechanisms for the photochemical formation of nanoparticles through photoinitiated radicals were validated using cyclic voltammetry. The results showed that the concentration of AgNO3 significantly impacted the size of silver nanoparticles, with diameters ranging from 1 to 5 nm at 1 wt% and 3 wt% concentrations, while increasing the concentration to 5 wt% led to an increase in the diameter of silver nanoparticles to 16 nm. When HAuCl4 was used instead of AgNO3, it was found that the average diameters of gold nanoparticles synthesized using both photoinitiators at different concentrations ranged between 1 and 4 nm. The findings suggest that variations in HAuCl4 concentration have minimal impact on the size of gold nanoparticles. The photoproduction of AuNPs was shown to be thermodynamically favorable, with the reduction of HAuCl4 to Au0 having ∆G values of approximately -3.51 and -2.96 eV for photoinitiators A and B, respectively. Furthermore, the photoreduction of Ag+1 to Ag0 was demonstrated to be thermodynamically feasible, with ∆G values of approximately -3.459 and -2.91 eV for photoinitiators A and B, respectively, confirming the effectiveness of the new photoinitiators on the production of nanoparticles. The synthesis of nanoparticles was monitored using UV-vis absorption spectroscopy, and their sizes were determined through particle size analysis of transmission electron microscopy (TEM) images.
Collapse
Affiliation(s)
- Shahad M. Aldebasi
- Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia; (S.M.A.); (A.S.A.); (N.K.); (F.M.A.); (L.M.A.)
| | - Haja Tar
- Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia; (S.M.A.); (A.S.A.); (N.K.); (F.M.A.); (L.M.A.)
| | - Abrar S. Alnafisah
- Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia; (S.M.A.); (A.S.A.); (N.K.); (F.M.A.); (L.M.A.)
| | - Lotfi Beji
- Department of Physics, College of Sciences and Arts at ArRass, Qassim University, Buraidah 51452, Saudi Arabia;
| | - Noura Kouki
- Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia; (S.M.A.); (A.S.A.); (N.K.); (F.M.A.); (L.M.A.)
| | - Fabrice Morlet-Savary
- CNRS, IS2M UMR 7361, Université de Haute-Alsace, F-68100 Mulhouse, France; (F.M.-S.); (J.L.)
| | - Fahad M. Alminderej
- Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia; (S.M.A.); (A.S.A.); (N.K.); (F.M.A.); (L.M.A.)
| | - Lotfi M. Aroua
- Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia; (S.M.A.); (A.S.A.); (N.K.); (F.M.A.); (L.M.A.)
| | - Jacques Lalevée
- CNRS, IS2M UMR 7361, Université de Haute-Alsace, F-68100 Mulhouse, France; (F.M.-S.); (J.L.)
| |
Collapse
|
8
|
Liao W, Hou J, Tang H, Guo X, Sheng G, Jin M. Photoredox Catalysis with Visible Light for Synthesis of Thioxanthones Derivatives. Org Lett 2023; 25:6352-6356. [PMID: 37584450 DOI: 10.1021/acs.orglett.3c02253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/17/2023]
Abstract
A visible-light-promoted and transition-metal-free photoredox-catalysis strategy is developed for the synthesis of thioxanthone derivatives (TXs). The mechanistic study and density functional theory calculations suggest that visible-light-promoted intramolecular cyclization can be divided into hydrogen atom transfer, C-C formation, and oxidative dehydrogenation with high regioselectivity and reactivity. Significantly, this C-C formation strategy can be used in TXs-based commercial photoinitiators and drugs at the gram level.
Collapse
Affiliation(s)
- Wen Liao
- Department of Polymer Materials, School of Materials Science and Engineering, Tongji University, Shanghai 201804, P. R. China
| | - Jing Hou
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, Sauvage Center for Molecular Sciences, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Hongding Tang
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, Sauvage Center for Molecular Sciences, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Xinyue Guo
- Department of Polymer Materials, School of Materials Science and Engineering, Tongji University, Shanghai 201804, P. R. China
| | - Guanyu Sheng
- Department of Polymer Materials, School of Materials Science and Engineering, Tongji University, Shanghai 201804, P. R. China
| | - Ming Jin
- Department of Polymer Materials, School of Materials Science and Engineering, Tongji University, Shanghai 201804, P. R. China
| |
Collapse
|
9
|
Przybylska A, Szymańska A, Maciejewski H. A library of new organofunctional silanes obtained by thiol-(meth)acrylate Michael addition reaction. RSC Adv 2023; 13:14010-14017. [PMID: 37181512 PMCID: PMC10167801 DOI: 10.1039/d3ra01583a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 04/27/2023] [Indexed: 05/16/2023] Open
Abstract
A simple and efficient method for the synthesis of organofunctional silanes by the thiol-(meth)acrylate addition reaction is presented. At first, systematic studies were carried out to select an optimum initiator/catalyst of the addition reaction for the model reaction involving 3-mercaptopropyltrimethoxysilane (MPTMS) and hexyl acrylate. Photoinitiators (in the presence of UV light energy), thermal initiators (such as aza compound and peroxide) as well as catalysts (primary and tertiary amines, phosphines and Lewis acid) were studied. After selecting an effective catalytic system and optimizing the reaction conditions, reactions between the thiol group (i.e. 3-mercaptopropyltrimethoxysilane) and (meth)acrylates containing various functional groups were carried out. All derivatives obtained were characterized by 1H, 13C, 29Si NMR and FT-IR analysis. In reactions carried out at room temperature, in an air atmosphere and in the presence of dimethylphenylphosphine (DMPP) as a catalyst, quantitative conversions of both substrates were obtained within a few minutes. The library of organofunctional silanes was expanded by compounds (containing various functional groups, i.e. alkenyl, epoxy, amino, ether, alkyl, aralkyl, fluoroalkyl) which were obtained in the thiol-Michael addition of 3-mercaptopropyltrimethoxysilane to a group of organofunctional (meth)acrylic acid esters.
Collapse
Affiliation(s)
- Agnieszka Przybylska
- Faculty of Chemistry, Adam Mickiewicz University Uniwersytetu Poznańskiego 8 61-614 Poznań Poland
| | - Anna Szymańska
- Poznań Science and Technology Park, Adam Mickiewicz University Foundation Rubież 46 61-612 Poznań Poland
| | - Hieronim Maciejewski
- Faculty of Chemistry, Adam Mickiewicz University Uniwersytetu Poznańskiego 8 61-614 Poznań Poland
- Poznań Science and Technology Park, Adam Mickiewicz University Foundation Rubież 46 61-612 Poznań Poland
| |
Collapse
|
10
|
Dumur F. Recent advances on water-soluble photoinitiators of polymerization. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.111942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
|
11
|
Dumur F. Recent Advances on Photoinitiating Systems Designed for Solar Photocrosslinking Polymerization Reactions. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.111988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
|
12
|
Dumur F. Recent Advances on Anthraquinone-based Photoinitiators of Polymerization. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.112039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
|
13
|
Recent Advances on Furan-Based Visible Light Photoinitiators of Polymerization. Catalysts 2023. [DOI: 10.3390/catal13030493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023] Open
Abstract
Photopolymerization is an active research field enabling to polymerize in greener conditions than that performed with traditional thermal polymerization. At present, a great deal of effort is devoted to developing visible light photoinitiating systems. Indeed, the traditional UV photoinitiating systems are currently the focus of numerous safety concerns so alternatives to UV light are being actively researched. However, visible light photons are less energetic than UV photons so the reactivity of the photoinitiating systems should be improved to address this issue. In this field, furane constitutes an interesting candidate for the design of photocatalysts of polymerization due to its low cost and its easy chemical modification. In this review, an overview concerning the design of furane-based photoinitiators is provided. Comparisons with reference systems are also established to demonstrate evidence of the interest of these photoinitiators in innovative structures.
Collapse
|
14
|
Yen SC, Ni JS, Chen YC. Triphenylamine-functionalized chalcones as one-component Type II visible-light-absorbing photoinitiators for free radical photopolymerization. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.111885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
|
15
|
High-Performance Photoinitiating Systems for LED-Induced Photopolymerization. Polymers (Basel) 2023; 15:polym15020342. [PMID: 36679223 PMCID: PMC9860695 DOI: 10.3390/polym15020342] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/29/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023] Open
Abstract
Currently, increasing attention has been focused on light-emitting diodes (LEDs)-induced photopolymerization. The common LEDs (e.g., LED at 365 nm and LED at 405 nm) possess narrow emission bands. Due to their light absorption properties, most commercial photoinitiators are sensitive to UV light and cannot be optimally activated under visible LED irradiation. Although many photoinitiators have been designed for LED-induced free radical polymerization and cationic polymerization, there is still the issue of the mating between photoinitiators and LEDs. Therefore, the development of novel photoinitiators, which could be applied under LED irradiation, is significant. Many photoinitiating systems have been reported in the past decade. In this review, some recently developed photoinitiators used in LED-induced photopolymerization, mainly in the past 5 years, are summarized and categorized as Type Ⅰ photoinitiators, Type Ⅱ photoinitiators, and dye-based photoinitiating systems. In addition, their light absorption properties and photoinitiation efficiencies are discussed.
Collapse
|
16
|
Dumur F. Recent advances on benzylidene cyclopentanones as visible light photoinitiators of polymerization. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
17
|
Metal-free direct thiolation of terminal alkynes with methyl sulfoxides. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
18
|
|
19
|
|
20
|
Liu Z, Dumur F. Recent Advances on Visible Light Coumarin-based Oxime Esters as Initiators of Polymerization. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111449] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
|
21
|
|
22
|
Ohar H, Tokareva M, Nagursky O, Mosnáček J, Tokarev V. Multifunctional benzoin derivatives based macrophotoinitiators: Synthesis, inorganic fillers modification, and fabrication of composite materials. J Appl Polym Sci 2022. [DOI: 10.1002/app.52454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Halyna Ohar
- Department of Civil Safety Lviv Polytechnic National University Lviv Ukraine
| | - Maria Tokareva
- Department of Civil Safety Lviv Polytechnic National University Lviv Ukraine
| | - Oleg Nagursky
- Department of Civil Safety Lviv Polytechnic National University Lviv Ukraine
| | - Jaroslav Mosnáček
- Department of Synthesis and Characterization of Polymers Polymer Institute, Slovak Academy of Sciences Bratislava Slovakia
| | - Viktor Tokarev
- Department of Organic Chemistry Lviv Polytechnic National University Lviv Ukraine
| |
Collapse
|
23
|
Pandey AK, Chand S, Sharma AK, Singh KN. Iodine Catalyzed Sulfenylation of Sodium Sulfinates using Arenediazonium Tetrafluoroborate/CS2 Combination. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200173] [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)
- Anand Kumar Pandey
- Banaras Hindu University Faculty of Science Chemistry Institute of Science 221005 Varanasi INDIA
| | - Shiv Chand
- Banaras Hindu University Faculty of Science Chemistry Institute of Science 221005 Varanasi INDIA
| | - Anup Kumar Sharma
- Banaras Hindu University Faculty of Science Chemistry Institute of Science 221005 Varanasi INDIA
| | - Krishna Nand Singh
- Banaras Hindu University Department of Chemistry Faculty of Science 221005 Varanasi INDIA
| |
Collapse
|
24
|
Gencoglu T, Eren TN, Lalevée J, Avci D. A Water Soluble, Low Migration and Visible Light Photoinitiator by Thioxanthone‐Functionalization of Poly(ethylene glycol)‐Containing Poly(
β
‐amino ester). MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202100450] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Turkan Gencoglu
- Department of Chemistry Bogazici University Bebek Istanbul 34342 Turkey
| | - Tugce Nur Eren
- Department of Chemistry Bogazici University Bebek Istanbul 34342 Turkey
| | - Jacques Lalevée
- Institut de Science des Matériaux de Mulhouse IS2M UMR CNRS 7361 UHA 15 rue Jean Starcky Mulhouse Cedex 68057 France
| | - Duygu Avci
- Department of Chemistry Bogazici University Bebek Istanbul 34342 Turkey
| |
Collapse
|
25
|
Zou X, Zhao Y, Zhu Y, Liu R. Filling Aggregation-Induced Extinction Mechanism in Near-Infrared Photopolymerization for Gradient and Highly Filled Bulk Materials. Macromolecules 2022. [DOI: 10.1021/acs.macromol.1c02576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xiucheng Zou
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 214122 Wuxi, Jiangsu, China
- International Research Center for Photoresponsive Molecules and Materials, Jiangnan University, 214122 Wuxi, Jiangsu, China
| | - Yongqin Zhao
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 214122 Wuxi, Jiangsu, China
- International Research Center for Photoresponsive Molecules and Materials, Jiangnan University, 214122 Wuxi, Jiangsu, China
| | - Ye Zhu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 214122 Wuxi, Jiangsu, China
- International Research Center for Photoresponsive Molecules and Materials, Jiangnan University, 214122 Wuxi, Jiangsu, China
| | - Ren Liu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 214122 Wuxi, Jiangsu, China
- International Research Center for Photoresponsive Molecules and Materials, Jiangnan University, 214122 Wuxi, Jiangsu, China
| |
Collapse
|
26
|
|
27
|
|
28
|
|
29
|
Hu G, Wang C, Zhao F, Liu Y, Liu J, Zhao B. Copper‐Catalyzed Thiolation of Terminal Alkynes with
N
‐Thiosuccinimides to Access Alkynyl Sulfides. ChemistrySelect 2022. [DOI: 10.1002/slct.202104380] [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)
- Guo‐Qin Hu
- School of Chemical Engineering Zhengzhou University Zhengzhou 450001 China
| | - Cai Wang
- School of Chemical Engineering Zhengzhou University Zhengzhou 450001 China
| | - Fan Zhao
- School of Chemical Engineering Zhengzhou University Zhengzhou 450001 China
| | - Yao‐Wei Liu
- School of Chemical Engineering Zhengzhou University Zhengzhou 450001 China
| | - Jing‐Hui Liu
- School of Chemical Engineering Zhengzhou University Zhengzhou 450001 China
| | - Bin Zhao
- School of Chemical Engineering Zhengzhou University Zhengzhou 450001 China
| |
Collapse
|
30
|
|
31
|
Li J, Lu H, Zheng H, Zhou X, Nie J, Zhu X. Thermally activated pyrrole chalcone free radical photoinitiator with excellent stability to sunlight. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110884] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
|
32
|
Huang Y, Li L, Liu X, Li Z. Photobase-catalysed anionic thiol-epoxy click photopolymerization under NIR irradiation: from deep curing to shape memory. Polym Chem 2022. [DOI: 10.1039/d2py00144f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A photobase generator absorbing upconversion fluorescence can efficiently catalyze anionic thiol-epoxy click photopolymerization under 980 nm NIR light irradiation.
Collapse
Affiliation(s)
- Yaoxin Huang
- School of Materials and Energy, Guangdong University of Technology, 510006, Guangzhou, Guangdong, China
| | - Longji Li
- School of Materials and Energy, Guangdong University of Technology, 510006, Guangzhou, Guangdong, China
| | - Xiaoxuan Liu
- School of Materials and Energy, Guangdong University of Technology, 510006, Guangzhou, Guangdong, China
- Guangdong Laboratory of Chemistry and Fine Chemical Industry Jieyang Center, Guangdong Province, 522000, PR China
| | - Zhiquan Li
- School of Materials and Energy, Guangdong University of Technology, 510006, Guangzhou, Guangdong, China
- Guangdong Laboratory of Chemistry and Fine Chemical Industry Jieyang Center, Guangdong Province, 522000, PR China
| |
Collapse
|
33
|
Balcerak A, Kabatc J. Recent progress in the development of highly active dyeing photoinitiators based on 1,3-bis(p-substituted phenylamino)squaraines for radical polymerization of acrylates. Polym Chem 2022. [DOI: 10.1039/d1py01519b] [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
The photopolymerization is a very popular technique used in the production of various polymeric materials. The key role in the light induced polymerization processes plays a photoinitiator. One of the...
Collapse
|
34
|
|
35
|
|
36
|
Oddy MJ, Kusza DA, Petersen WF. Visible-Light Mediated Metal-Free 6π-Photocyclization of N-Acrylamides: Thioxanthone Triplet Energy Transfer Enables the Synthesis of 3,4-Dihydroquinolin-2-ones. Org Lett 2021; 23:8963-8967. [PMID: 34756046 DOI: 10.1021/acs.orglett.1c03487] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
An efficient thioxanthone-catalyzed triplet energy transfer process for the synthesis of 3,4-dihydroquinolin-2-ones via a 6π-photocyclization is reported. Featuring a rare example of a metal-free formal C(sp2)-H/C(sp3)-H arylation mediated by visible-light, this work hopes to inspire further interest in these small molecules as sustainable alternatives to existing transition-metal photocatalysts in related processes.
Collapse
Affiliation(s)
- Meghan J Oddy
- Department of Chemistry, University of Cape Town, Rondebosch, Cape Town, 7700, South Africa
| | - Daniel A Kusza
- Department of Chemistry, University of Cape Town, Rondebosch, Cape Town, 7700, South Africa
| | - Wade F Petersen
- Department of Chemistry, University of Cape Town, Rondebosch, Cape Town, 7700, South Africa
| |
Collapse
|
37
|
Zhao B, Li J, Pan X, Zhang Z, Jin G, Zhu J. Photoinduced Free Radical Promoted Cationic RAFT Polymerization toward "Living" 3D Printing. ACS Macro Lett 2021; 10:1315-1320. [PMID: 35549049 DOI: 10.1021/acsmacrolett.1c00555] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Three-dimensional (3D) printing utilizing controlled polymerization systems is emerging as a powerful approach to fabricate "living" objects, which can be further modified with various functionalities. Here, we report photoinduced free radical-promoted cationic reversible addition-fragmentation chain transfer (RAFT) polymerization under broad wavelengths from ultraviolet (UV) to near-infrared (NIR) light. A commercially available iron catalyst, cyclopentadienyl iron dicarbonyl dimer (Fe2(Cp)2(CO)4), was used as the photocatalyst, and several diphenyliodonium salts were examined as oxidants. Various poly(vinyl ether)s with controlled molecular weights and a narrow dispersity (1.06-1.32) were prepared through this method. Relatively high chain-end fidelity can be observed and has been demonstrated by successful chain-extension experiments. In addition, benefiting from the penetrating ability of NIR light, 3D objects with different thicknesses were achieved by employing stereolithography-based 3D printing techniques. Furthermore, the postfunctionalization of these 3D printed objects with fluorescent monomers provides a facile method to build 3D objects with complex functionality and potential applications in anticounterfeiting materials.
Collapse
Affiliation(s)
- Bowen Zhao
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Jiajia Li
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xiangqiang Pan
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Zhengbiao Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Guoqing Jin
- School of Mechanical and Electric Engineering, Soochow University, Suzhou 215006, China
| | - Jian Zhu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| |
Collapse
|
38
|
|
39
|
|
40
|
Le CMQ, Petitory T, Wu X, Spangenberg A, Ortyl J, Galek M, Infante L, Thérien‐Aubin H, Chemtob A. Water‐Soluble Photoinitiators from Dimethylamino‐Substituted Monoacylphosphine Oxide for Hydrogel and Latex Preparation. MACROMOL CHEM PHYS 2021. [DOI: 10.1002/macp.202100217] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Cuong Minh Quoc Le
- CNRS, IS2M UMR7361 Université de Haute‐Alsace Mulhouse F‐68100 France
- Université de Strasbourg France
| | - Tatiana Petitory
- CNRS, IS2M UMR7361 Université de Haute‐Alsace Mulhouse F‐68100 France
- Université de Strasbourg France
| | - Xingyu Wu
- CNRS, IS2M UMR7361 Université de Haute‐Alsace Mulhouse F‐68100 France
- Université de Strasbourg France
| | - Arnaud Spangenberg
- CNRS, IS2M UMR7361 Université de Haute‐Alsace Mulhouse F‐68100 France
- Université de Strasbourg France
| | - Joanna Ortyl
- Faculty of Chemical Engineering and Technology Cracow University of Technology Warszawska 24 Cracow 31‐155 Poland
- Photo HiTech Ltd Bobrzyńskiego 14 Cracow 30‐348 Poland
| | - Mariusz Galek
- Photo HiTech Ltd Bobrzyńskiego 14 Cracow 30‐348 Poland
| | - Lorena Infante
- Max Planck Institute for Polymer Research Ackermannweg 10 Mainz D‐55128 Germany
| | | | - Abraham Chemtob
- CNRS, IS2M UMR7361 Université de Haute‐Alsace Mulhouse F‐68100 France
- Université de Strasbourg France
| |
Collapse
|
41
|
Chen L, Li YM, Zheng M, Wei X, Wang L. pH dependence of photochemical kinetics of thioxanthen-9-one from nanosecond time-resolved laser flash photolysis. CHINESE J CHEM PHYS 2021. [DOI: 10.1063/1674-0068/cjcp2104057] [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]
Affiliation(s)
- Lin Chen
- School of Physics and Materials Engineering, Hefei Normal University, Hefei 230601, China
| | - Yuan-ming Li
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Min Zheng
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Xin Wei
- School of Physics and Materials Engineering, Hefei Normal University, Hefei 230601, China
| | - Lin Wang
- School of Physics and Materials Engineering, Hefei Normal University, Hefei 230601, China
| |
Collapse
|
42
|
Koyuncu U, Metin E, Ocal N, Arsu N. Synthesis of one-component type II dithioxanthone-disulfide photoinitiator and investigation of photophysical and photochemical properties. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110510] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
|
43
|
Giacoletto N, Dumur F. Recent Advances in bis-Chalcone-Based Photoinitiators of Polymerization: From Mechanistic Investigations to Applications. Molecules 2021; 26:3192. [PMID: 34073491 PMCID: PMC8199041 DOI: 10.3390/molecules26113192] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 05/22/2021] [Accepted: 05/23/2021] [Indexed: 02/01/2023] Open
Abstract
Over the past several decades, photopolymerization has become an active research field, and the ongoing efforts to develop new photoinitiating systems are supported by the different applications in which this polymerization technique is involved-including dentistry, 3D and 4D printing, adhesives, and laser writing. In the search for new structures, bis-chalcones that combine two chalcones' moieties within a unique structure were determined as being promising photosensitizers to initiate both the free-radical polymerization of acrylates and the cationic polymerization of epoxides. In this review, an overview of the different bis-chalcones reported to date is provided. Parallel to the mechanistic investigations aiming at elucidating the polymerization mechanisms, bis-chalcones-based photoinitiating systems were used for different applications, which are detailed in this review.
Collapse
Affiliation(s)
| | - Frédéric Dumur
- Aix Marseille Univ, CNRS, ICR UMR 7273, F-13397 Marseille, France
| |
Collapse
|
44
|
Zhang X, Jiang Y, Ma Q, Hu S, Liao S. Metal-Free Cationic Polymerization of Vinyl Ethers with Strict Temporal Control by Employing an Organophotocatalyst. J Am Chem Soc 2021; 143:6357-6362. [PMID: 33900068 DOI: 10.1021/jacs.1c02500] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
By virtue of spatiotemporal control over the chain propagating, visible-light-regulated organocatalytic photoredox cationic polymerization provides an appealing approach for the construction of metal-free, well-defined polymers and materials. However, so far, organic photocatalysts capable of mediated cationic polymerization of vinyl ethers are quite limited, and the photocontrol or efficiency is often eroded due to the difficulty in achieving a good activation-deactivation balance, which is greatly dependent on the redox property of the catalyst. Here, we introduce a new type of organic photocatalysts, bisphosphonium salts, which show high performance in the photoregulated reversible addition-fragmentation chain transfer cationic polymerization of vinyl ethers and allow the synthesis of poly(vinyl ethers) with predictable molecular weights and narrow dispersities at low ppm catalyst loadings under visible light. In particular, the tunable redox potential and excellent stability endow the bisphosphonium salts strict temporal control, thus enabling the metal-free polymerization with a halt in a long dark period.
Collapse
Affiliation(s)
- Xun Zhang
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Yu Jiang
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Qiang Ma
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Siping Hu
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Saihu Liao
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, China.,Beijing National Laboratory for Molecular Sciences, Beijing 100190, China
| |
Collapse
|
45
|
Giacoletto N, Ibrahim-Ouali M, Dumur F. Recent advances on squaraine-based photoinitiators of polymerization. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110427] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
|
46
|
Photopatterning of PDMS Films: Challenging the Reaction between Benzophenone and Silicone Functional Groups. MATERIALS 2021; 14:ma14082027. [PMID: 33920707 PMCID: PMC8073309 DOI: 10.3390/ma14082027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/13/2021] [Accepted: 04/14/2021] [Indexed: 11/17/2022]
Abstract
Direct photopatterning of PDMS (Polydimethylsiloxane) through benzophenone photo-inhibition has received great interest in recent years. Indeed, the simplicity and versatility of this technique allows for easy processing of micro-canals, or local control of PDMS mechanical properties. Surprisingly, however, the chemical reactions between silicone hydride and/or silicone vinyl groups and benzophenone have only been assessed through qualitative methods (e.g., Attenuated total reflection fourier transform infrared). In this communication, the previously proposed reaction pathways are challenged, using nuclear magnetic resonance (NMR) spectroscopy and size exclusion chromatography (SEC) monitoring. A different mechanism depicting the role of benzophenone irradiation on the polyaddition reaction of silicone formulations is proposed, and a simplified procedure involving aromatic solvent is finally disclosed.
Collapse
|
47
|
Nakajima H, Hazama Y, Sakata Y, Uchida K, Hosoya T, Yoshida S. Diverse diaryl sulfide synthesis through consecutive aryne reactions. Chem Commun (Camb) 2021; 57:2621-2624. [PMID: 33586722 DOI: 10.1039/d0cc08373a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
An efficient method to synthesize diaryl sulfides with structural diversity is disclosed. Demethylative hydrothiolation of aryne intermediates generated from o-iodoaryl triflates with methylthio-substituted o-silylaryl triflates and further aryne reactions afford diverse diaryl sulfides.
Collapse
Affiliation(s)
- Hana Nakajima
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
| | - Yuki Hazama
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
| | - Yuki Sakata
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
| | - Keisuke Uchida
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
| | - Takamitsu Hosoya
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
| | - Suguru Yoshida
- Laboratory of Chemical Bioscience, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
| |
Collapse
|
48
|
Kanemoto K, Furuhashi K, Morita Y, Komatsu T, Fukuzawa SI. Acid-Mediated Sulfonylthiolation of Arenes via Selective Activation of SS-Morpholino Dithiosulfonate. Org Lett 2021; 23:1582-1587. [PMID: 33513301 DOI: 10.1021/acs.orglett.0c04289] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A trifluoroacetic-acid-mediated desulfurilative sulfonylthiolation of arenes using SS-morpholino dithiosulfonate is described. This system is based on selective activation of the morpholino group over the tosyl group of the doubly transformable sulfur surrogate. Mechanistic studies suggested that the reaction proceeds through electrophilic aromatic substitution followed by sulfur extrusion. The wide substrate scope of this reaction and the transformability of the resulting thiosulfonates enable expeditious access to divergent multifunctionalized sulfides.
Collapse
Affiliation(s)
- Kazuya Kanemoto
- Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga Bunkyo-ku, Tokyo 112-8551, Japan
| | - Koudai Furuhashi
- Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga Bunkyo-ku, Tokyo 112-8551, Japan
| | - Yoshitsugu Morita
- Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga Bunkyo-ku, Tokyo 112-8551, Japan
| | - Teruyuki Komatsu
- Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga Bunkyo-ku, Tokyo 112-8551, Japan
| | - Shin-Ichi Fukuzawa
- Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga Bunkyo-ku, Tokyo 112-8551, Japan
| |
Collapse
|
49
|
Liu Q, Li XB, Jiang M, Liu ZJ, Liu JT. Synthesis of α-alkynyl perfluoroalkyl sulfoxides by the reaction of terminal alkynes and perfluoroalkanesulfinyl chlorides. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.131994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
50
|
Organocatalyzed β-pinene polymerization in UV light: Assessment of reaction conditions and material characterization. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110303] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
|