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Balueva AS, Nikolaeva YA, Musina EI, Litvinov IA, Karasik AA. First Example of Cage P 4N 4-Macrocycle Copper Complexes with Intracavity Location of Unusual Cu 2I Fragments. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020680. [PMID: 36677737 PMCID: PMC9862699 DOI: 10.3390/molecules28020680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 12/29/2022] [Accepted: 01/03/2023] [Indexed: 01/11/2023]
Abstract
In this study, 28-membered macrocyclic 1,5(1,5)-di(1,5-diaza-3,7-diphosphacyclooctana)-2,4,6,8(1,4)-tetrabenzenacyclooctaphane were synthesized by condensation of pyridinephosphine, paraformaldehyde, and primary diamines (bis(4-aminophenyl)methane or -sulfide. The first representatives of binuclear copper(I) complexes of P,N-containing cyclophanes with two 1,5-diaza-3,7-diphosphacyclooctane rings incorporated into a macrocyclic core and intracavity location of unusual, developed angle Cu2I moiety were obtained. The structure of one complex was established by X-ray diffraction analysis. The complexation led to a slight distortion of the cyclophane conformations.
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2
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Jain S, Kumawat J, Jain P, Shruti, Malik P, Dwivedi J, Kishore D. Metal-catalyzed synthesis of triazine derivatives. MONATSHEFTE FUR CHEMIE 2022. [DOI: 10.1007/s00706-022-02948-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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3
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Mondal J, Sivaramakrishna A. Functionalized Triazines and Tetrazines: Synthesis and Applications. Top Curr Chem (Cham) 2022; 380:34. [PMID: 35737142 DOI: 10.1007/s41061-022-00385-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 05/13/2022] [Indexed: 12/19/2022]
Abstract
The molecules possessing triazine and tetrazine moieties belong to a special class of heterocyclic compounds. Both triazines and tetrazines are building blocks and have provided a new dimension to the design of biologically important organic molecules. Several of their derivatives with fine-tuned electronic properties have been identified as multifunctional, adaptable, switchable, remarkably antifungal, anticancer, antiviral, antitumor, cardiotonic, anti-HIV, analgesic, anti-protozoal, etc. The objective of this review is to comprehensively describe the recent developments in synthesis, coordination properties, and various applications of triazine and tetrazine molecules. The rich literature demonstrates various synthetic routes for a variety of triazines and tetrazines through microwave-assisted, solid-phase, metal-based, [4+2] cycloaddition, and multicomponent one-pot reactions. Synthetic approaches contain linear, angular, and fused triazine and tetrazine heterocycles through a combinatorial method. Notably, the triazines and tetrazines undergo a variety of organic transformations, including electrophilic addition, coupling, nucleophilic displacement, and intramolecular cyclization. The mechanistic aspects of these heterocycles are discussed in a detailed way. The bioorthogonal application of these polyazines with various strained alkenes and alkynes provides a new prospect for investigations in chemical biology. This review systematically encapsulates the recent developments and challenges in the synthesis and possible potential applications of various triazine and tetrazine systems.
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Affiliation(s)
- Joydip Mondal
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632 014, India
| | - Akella Sivaramakrishna
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632 014, India.
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4
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Ivanov SM, Mironovich LM, Kolotyrkina NG, Minyaev ME. Synthesis of (3-tert-Butylpyrazolo[5,1-c][1,2,4]triazin-4-yl)phosphine Oxides. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2021. [DOI: 10.1134/s1070428021010073] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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5
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DNA interaction analysis with automated biosensor of paraben derivative s-triazines. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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6
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Straube A, Coburger P, Dütsch L, Hey-Hawkins E. Triple the fun: tris(ferrocenyl)arene-based gold(i) complexes for redox-switchable catalysis. Chem Sci 2020; 11:10657-10668. [PMID: 34094320 PMCID: PMC8162263 DOI: 10.1039/d0sc03604h] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The modular syntheses of C3-symmetric tris(ferrocenyl)arene-based tris-phosphanes and their homotrinuclear gold(i) complexes are reported. Choosing the arene core allows fine-tuning of the exact oxidation potentials and thus tailoring of the electrochemical response. The tris[chloridogold(i)] complexes were investigated in the catalytic ring-closing isomerisation of N-(2-propyn-1-yl)benzamide, showing cooperative behaviour vs. a mononuclear chloridogold(i) complex. Adding one, two, or three equivalents of 1,1′-diacetylferrocenium[tetrakis(perfluoro-tert-butoxy)aluminate] as an oxidant during the catalytic reaction (in situ) resulted in a distinct, stepwise influence on the resulting catalytic rates. Isolation of the oxidised species is possible, and using them as (pre-)catalysts (ex situ oxidation) confirmed the activity trend. Proving the intactness of the P–Au–Cl motif during oxidation, the tri-oxidised benzene-based complex has been structurally characterised. Trinuclear gold(i) complexes of C3-symmetric tris(ferrocenyl)arene-based tris-phosphanes with four accessible oxidation states catalyse the ring-closing isomerisation of N-(2-propyn-1-yl)benzamide with different rates depending on their redox state.![]()
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Affiliation(s)
- Axel Straube
- Institute of Inorganic Chemistry, Universität Leipzig Johannisallee 29 D-04103 Leipzig Germany https://anorganik.chemie.unileipzig.de/de/anorganik/ak-hey-hawkins/
| | - Peter Coburger
- Institute of Inorganic Chemistry, Universität Leipzig Johannisallee 29 D-04103 Leipzig Germany https://anorganik.chemie.unileipzig.de/de/anorganik/ak-hey-hawkins/
| | - Luis Dütsch
- Institute of Inorganic Chemistry, Universität Regensburg Universitätsstr. 31 D-93053 Regensburg Germany
| | - Evamarie Hey-Hawkins
- Institute of Inorganic Chemistry, Universität Leipzig Johannisallee 29 D-04103 Leipzig Germany https://anorganik.chemie.unileipzig.de/de/anorganik/ak-hey-hawkins/
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7
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Kumar S, Mague JT, Balakrishna MS. Versatile Coordination Modes of 2,6‐Bis(2‐(diphenylphosphanyl)‐1
H
‐imidazol‐1‐yl)pyridine in Cu(I) and Au(I) Complexes. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000520] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Saurabh Kumar
- Phosphorus Laboratory Department of Chemistry Indian Institute of Technology Bombay 400076 Mumbai Powai India
| | - Joel T. Mague
- Department of Chemistry Tulane University 70118 New Orleans Louisiana United States
| | - Maravanji S. Balakrishna
- Phosphorus Laboratory Department of Chemistry Indian Institute of Technology Bombay 400076 Mumbai Powai India
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8
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Miranda-Pizarro J, Alférez MG, Fernández-Martínez MD, Álvarez E, Maya C, Campos J. A Versatile Approach to Access Trimetallic Complexes Based on Trisphosphinite Ligands. Molecules 2020; 25:E593. [PMID: 32013217 PMCID: PMC7037439 DOI: 10.3390/molecules25030593] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 01/22/2020] [Accepted: 01/23/2020] [Indexed: 11/16/2022] Open
Abstract
A straightforward method for the preparation of trisphosphinite ligands in one step, using only commercially available reagents (1,1,1-tris(4-hydroxyphenyl)ethane and chlorophosphines) is described. We have made use of this approach to prepare a small family of four trisphosphinite ligands of formula [CH3C{(C6H4OR2)3], where R stands for Ph (1a), Xyl (1b, Xyl = 2,6-Me2-C6H3), iPr (1c), and Cy (1d). These polyfunctional phosphinites allowed us to investigate their coordination chemistry towards a range of late transition metal precursors. As such, we report here the isolation and full characterization of a number of Au(I), Ag(I), Cu(I), Ir(III), Rh(III) and Ru(II) homotrimetallic complexes, including the structural characterization by X-ray diffraction studies of six of these compounds. We have observed that the flexibility of these trisphosphinites enables a variety of conformations for the different trimetallic species.
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Affiliation(s)
| | | | | | | | | | - Jesús Campos
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC) and University of Sevilla, Avenida Américo Vespucio 49, 41092 Sevilla, Spain; (J.M.-P.); (M.G.A.); (M.D.F.-M.); (E.Á.); (C.M.)
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9
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Xu G, Li K, Wang L, Zhai Y, Zhang N. Three Cd(II) coordination polymers induce gastric cancer cell apoptosis by promoting intracellular ROS accumulation and apoptotic genes expression. J COORD CHEM 2019. [DOI: 10.1080/00958972.2019.1686758] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Guangzhong Xu
- Department of General Surgery, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Kai Li
- Department of General Surgery, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Liang Wang
- Department of General Surgery, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Yunhui Zhai
- Department of Paediatrics, People's Hospital of Gansu Province, Lanzhou, China
| | - Nengwei Zhang
- Department of General Surgery, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
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10
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Chloropalladated tetranuclear and copper(I) complexes of propargylamines [RC≡CCH2NC4H8NCH2C≡CR]. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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11
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Yuan G, Zhang C, Shao KZ, Hao XR, Zhou WL, Su ZM. Two 3D Cd(II) coordination polymers based on novel metallacalix[4]arenes molecular building blocks: Syntheses, structures and fluorescence properties. INORG CHEM COMMUN 2018. [DOI: 10.1016/j.inoche.2018.02.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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12
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Kimura T, Muraoka H, Nakajo S, Ogawa S, Yamamoto S, Kobayashi N. Preparation and Optical and Electrochemical Properties of Phthalocyanines with Four or Eight Diphenylphosphino, Diphenylphosphoryl, and Diphenylthiophosphinyl Groups. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701676] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Takeshi Kimura
- Center for Instrumental Analysis; Iwate University; 020-8551 Morioka Japan
| | - Hiroki Muraoka
- Department of Chemistry and Bioengineering; Faculty of Science and Engineering; Iwate University; 020-8551 Morioka Japan
| | - Shiduko Nakajo
- Center for Instrumental Analysis; Iwate University; 020-8551 Morioka Japan
| | - Satoshi Ogawa
- Department of Chemistry and Bioengineering; Faculty of Science and Engineering; Iwate University; 020-8551 Morioka Japan
| | - Satoshi Yamamoto
- Division of Chemistry and Materials; Faculty of Textile Science and Technology; Shinshu University; Ueda 386-8567 Japan
| | - Nagao Kobayashi
- Division of Chemistry and Materials; Faculty of Textile Science and Technology; Shinshu University; Ueda 386-8567 Japan
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13
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Abe K, Kitamura M, Fujita H, Kunishima M. Development of highly electron-deficient and less sterically-hindered phosphine ligands possessing 1,3,5-triazinyl groups. MOLECULAR CATALYSIS 2018. [DOI: 10.1016/j.mcat.2017.11.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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14
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Posern C, Böhme U, Kroke E. The Reactivity of Cyameluric Chloride C6
N7
Cl3
towards Phosphines and Phosphine Oxides. Z Anorg Allg Chem 2017. [DOI: 10.1002/zaac.201700298] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Christian Posern
- Institut für Anorganische Chemie; TU Bergakademie Freiberg; Leipziger Straße 29 09599 Freiberg Germany
| | - Uwe Böhme
- Institut für Anorganische Chemie; TU Bergakademie Freiberg; Leipziger Straße 29 09599 Freiberg Germany
| | - Edwin Kroke
- Institut für Anorganische Chemie; TU Bergakademie Freiberg; Leipziger Straße 29 09599 Freiberg Germany
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15
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Park H, Kim J, Im H, Kim TH. A two-dimensional copper(I) coordination polymer based on 1-[2-(cyclo-hexyl-sulfan-yl)eth-yl]pyridin-2(1 H)-one. Acta Crystallogr E Crystallogr Commun 2017; 73:1782-1785. [PMID: 29152373 PMCID: PMC5683513 DOI: 10.1107/s2056989017015377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 10/23/2017] [Indexed: 11/10/2022]
Abstract
The reaction of copper(I) iodide with 1-[2-(cyclo-hexyl-sulfan-yl)eth-yl]pyridin-2(1H)-one (L, C13H19NOS) in aceto-nitrile/di-chloro-methane results in a crystalline coordination polymer, namely poly[bis-{μ2-1-[2-(cyclo-hexyl-sulfan-yl)eth-yl]pyridin-2(1H)-one}tetra-μ3-iodido-tetra-copper(I)], [Cu4I4L2] n . The asymmetric unit comprises two ligand mol-ecules, four copper(I) ions and four iodide ions. Inter-estingly, the O atoms are bound to the soft copper(I) ions. The stair-step clusters of Cu and I atoms in the asymmetric unit are linked repeatedly, giving rise to infinite chains along [100]. Neighbouring infinite chains are linked through the L mol-ecules, forming a two-dimensional brick-wall structure. These two-dimensional networks are stacked alternately along [001]. Additionally, there are inter-molecular C-H⋯I hydrogen bonds and C-H⋯π inter-actions between the ligands.
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Affiliation(s)
- Hyunjin Park
- Department of Chemistry (BK21 plus) and Research Institute of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Jineun Kim
- Department of Chemistry (BK21 plus) and Research Institute of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Hansu Im
- Department of Chemistry (BK21 plus) and Research Institute of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Tae Ho Kim
- Department of Chemistry (BK21 plus) and Research Institute of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea
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16
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Park H, Kwon E, Chiang H, Im H, Lee KY, Kim J, Kim TH. Reversible Crystal Transformations and Luminescence Vapochromism by Fast Guest Exchange in Cu(I) Coordination Polymers. Inorg Chem 2017; 56:8287-8294. [DOI: 10.1021/acs.inorgchem.7b00951] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Hyunjin Park
- Department of Chemistry (BK21 plus) and
Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Korea
| | - Eunjin Kwon
- Department of Chemistry (BK21 plus) and
Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Korea
| | - Hojae Chiang
- Department of Chemistry (BK21 plus) and
Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Korea
| | - Hansu Im
- Department of Chemistry (BK21 plus) and
Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Korea
| | - Kang Yeol Lee
- Department of Chemistry (BK21 plus) and
Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Korea
| | - Jineun Kim
- Department of Chemistry (BK21 plus) and
Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Korea
| | - Tae Ho Kim
- Department of Chemistry (BK21 plus) and
Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Korea
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17
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Bhat SA, Pandey MK, Mague JT, Balakrishna MS. Coordination of bis(azol-1-yl)methane-based bisphosphines towards RuII, RhI, PdII and PtII: synthesis, structural and catalytic studies. Dalton Trans 2017; 46:227-241. [DOI: 10.1039/c6dt04094b] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This paper describes the transition metal chemistry of three bis(X-diphenylphosphino-azol-1-yl)-based bisphosphines: bis(2-Ph2P-imidazol-1-yl)methane (1), bis(5-Ph2P-pyrazol-1-yl)methane (2) and bis(5-Ph2P-1,2,4-triazol-1-yl)methane (3). These show versatility in their coordination behaviour.
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Affiliation(s)
- Sajad A. Bhat
- Phosphorus Laboratory
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai
- India
| | - Madhusudan K. Pandey
- Phosphorus Laboratory
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai
- India
| | - Joel T. Mague
- Department of Chemistry
- Tulane University
- New Orlens
- USA
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18
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Qi L, Li Q, Hong X, Liu L, Zhong XX, Chen Q, Li FB, Liu Q, Qin HM, Wong WY. Synthesis, characterization and luminescent properties of three-coordinate copper(I) halide complexes containing 2-(diphenylphosphino)biphenyl. J COORD CHEM 2016. [DOI: 10.1080/00958972.2016.1239255] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Lei Qi
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, School of Chemistry and Chemical Engineering, Hubei University, Wuhan, PR China
| | - Qian Li
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, School of Chemistry and Chemical Engineering, Hubei University, Wuhan, PR China
| | - Xiao Hong
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, School of Chemistry and Chemical Engineering, Hubei University, Wuhan, PR China
| | - Li Liu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, School of Chemistry and Chemical Engineering, Hubei University, Wuhan, PR China
| | - Xin-Xin Zhong
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, School of Chemistry and Chemical Engineering, Hubei University, Wuhan, PR China
| | - Qiao Chen
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, School of Chemistry and Chemical Engineering, Hubei University, Wuhan, PR China
| | - Fa-Bao Li
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, School of Chemistry and Chemical Engineering, Hubei University, Wuhan, PR China
| | - Qian Liu
- Institute of Molecular Functional Materials and Department of Chemistry and Partner State Key Laboratory of Environmental and Biological Analysis, Hong Kong Baptist University, Hong Kong, PR China
| | - Hai-Mei Qin
- Fujian Provincial Key Lab of Theoretical and Computational Chemistry, and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, PR China
| | - Wai-Yeung Wong
- Institute of Molecular Functional Materials and Department of Chemistry and Institute of Advanced Materials, Hong Kong Baptist University, Hong Kong, PR China
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19
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Choubey B, Radhakrishna L, Mague JT, Balakrishna MS. Two Triazole-Based Phosphine Ligands Prepared via Temperature-Mediated Li/H Exchange: Cu(I) and Au(I) Complexes and Structural Studies. Inorg Chem 2016; 55:8514-26. [PMID: 27517883 DOI: 10.1021/acs.inorgchem.6b01094] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The kinetically favored triazole-based phosphine 1-(2-(diphenylphosphino)phenyl)-4-phenyl-1H-1,2,3-triazole (2, L1) and its thermodynamically preferred isomer, 5-(diphenylphosphino)-1,4-diphenyl-1H-1,2,3-triazole (3, L2), were obtained by the temperature-controlled lithiation of 2-bromotriazole followed by the reaction with chlorodiphenylphosphine. The structures of phosphines 2 and 3 were determined by X-ray diffraction. Upon reaction with late transition-metal derivatives (Cu(I), Ag(I), and Au(I)), phosphines 2 and 3 form complexes with monodentate (Cu(I), Ag(I), and Au(I); κ(1)-P), chelate (Cu(I); κ(2)-P,N), bridged bidentate (Cu(I); μ(2)-P,N), and tridentate (Cu(I); μ(2),κ(2)-P,N,N) modes of coordination. Reactions with copper(I) halides produced mono-, di-, and tetranuclear complexes, whereas the reaction of 2 with [Cu(NCCH3)4]BF4 yielded the binuclear complex [Cu2(CH3CN)2{o-Ph2P(C6H4){1,2,3-N3C(Ph)C(H)}-μ-(κ-P,κ-N),κ-N}2](BF4)2 (10) with the ligand acting as a six-electron donor involving phosphorus and two triazole nitrogen atoms. The copper complexes of 2 and 3 containing rhomboid Cu2X2 units, [(Cu)2(μ-X)2{o-Ph2P(C6H4){1,2,3-N3C(Ph)C(H)}-κ-P}2] (4, X = Cl; 5, X = Br), on treatment with 1,10-phenanthroline and 2,2'-bipyridine gave mixed-ligand complexes of the type [(CuX)(N∩N-κ(2)-N,N){o-Ph2P(C6H4){1,2,3-N3C(Ph)C(H)}-κ-P}] (N∩N = 1,10-phen and 2,2'-bipy; X = Cl, Br, and I).
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Affiliation(s)
- Bimba Choubey
- Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay , Powai, Mumbai 400076, India
| | - Latchupatula Radhakrishna
- Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay , Powai, Mumbai 400076, India
| | - Joel T Mague
- Department of Chemistry, Tulane University , New Orleans, Louisiana 70118, United States
| | - Maravanji S Balakrishna
- Phosphorus Laboratory, Department of Chemistry, Indian Institute of Technology Bombay , Powai, Mumbai 400076, India
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20
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Abstract
This short review describes the transition metal chemistry of cyclodiphosphazanes.
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