101
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Samanta D, Shanmugaraju S, Adeyemo AA, Mukherjee PS. Self-assembly of discrete metallamacrocycles employing half-sandwich octahedral diruthenium(II) building units and imidazole-based ligands. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2013.09.037] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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102
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Ludlow III JM, Tominaga M, Chujo Y, Schultz A, Lu X, Xie T, Guo K, Moorefield CN, Wesdemiotis C, Newkome GR. Self-assembly of a family of suprametallomacrocycles: revisiting an o-carborane bisterpyridyl building block. Dalton Trans 2014; 43:9604-11. [DOI: 10.1039/c4dt00989d] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Reaction of an o-carborane-based, bisterpyridyl building block with a labile metal gives mixtures of the enthalpically and entropically favored ring architectures.
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Affiliation(s)
| | - Masato Tominaga
- Department of Polymer Chemistry
- Graduate School of Engineering
- Kyoto University
- Kyoto, Japan
| | - Yoshiki Chujo
- Department of Polymer Chemistry
- Graduate School of Engineering
- Kyoto University
- Kyoto, Japan
| | | | - Xiaocun Lu
- Department of Polymer Science
- The University of Akron
- Akron, USA
| | - Tingzheng Xie
- Department of Polymer Science
- The University of Akron
- Akron, USA
| | - Kai Guo
- Department of Polymer Science
- The University of Akron
- Akron, USA
| | | | - Chrys Wesdemiotis
- Department of Polymer Science
- The University of Akron
- Akron, USA
- Department of Chemistry
- The University of Akron
| | - George R. Newkome
- Department of Polymer Science
- The University of Akron
- Akron, USA
- Department of Chemistry
- The University of Akron
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103
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Xu L, Chen LJ, Yang HB. Recent progress in the construction of cavity-cored supramolecular metallodendrimers via coordination-driven self-assembly. Chem Commun (Camb) 2014; 50:5156-70. [DOI: 10.1039/c3cc47484d] [Citation(s) in RCA: 111] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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104
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Quan Y, Zhang J, Xie Z. Three-Component [2+2+1] Cross-cyclotrimerization of Carboryne, Unactivated Alkene, and Trimethylsilylalkyne Co-mediated by Zr and Ni. J Am Chem Soc 2013; 135:18742-5. [DOI: 10.1021/ja410233e] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Yangjian Quan
- Department of Chemistry and State
Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Jiji Zhang
- Department of Chemistry and State
Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Zuowei Xie
- Department of Chemistry and State
Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
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105
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Zhang J, Zheng F, Xie Z. Synthesis and Characterization of 14-Vertex Carboranes. Organometallics 2013. [DOI: 10.1021/om4009235] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Jian Zhang
- Department of Chemistry and State
Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin,
New Territories, Hong Kong, People’s Republic of China
| | - Fangrui Zheng
- Department of Chemistry and State
Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin,
New Territories, Hong Kong, People’s Republic of China
| | - Zuowei Xie
- Department of Chemistry and State
Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin,
New Territories, Hong Kong, People’s Republic of China
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106
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Li N, Zhao P, Salmon L, Ruiz J, Zabawa M, Hosmane NS, Astruc D. “Click” Star-Shaped and Dendritic PEGylated Gold Nanoparticle-Carborane Assemblies. Inorg Chem 2013; 52:11146-55. [DOI: 10.1021/ic4013697] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Na Li
- ISM, Univ. Bordeaux, 351 Cours de la Libération, 33405 Talence Cedex, France
| | - Pengxiang Zhao
- ISM, Univ. Bordeaux, 351 Cours de la Libération, 33405 Talence Cedex, France
- Science and Technology on Surface Physics and Chemistry Laboratory, P.O. Box 718-35, Mianyang 621907, Sichuan, China
| | - Lionel Salmon
- LCC, CNRS, 205 Route de Narbonne, 31077 Toulouse Cedex, France
| | - Jaime Ruiz
- ISM, Univ. Bordeaux, 351 Cours de la Libération, 33405 Talence Cedex, France
| | - Mark Zabawa
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, Illinois 60115-2862, United States
| | - Narayan S. Hosmane
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, Illinois 60115-2862, United States
| | - Didier Astruc
- ISM, Univ. Bordeaux, 351 Cours de la Libération, 33405 Talence Cedex, France
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107
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Qiu Z, Quan Y, Xie Z. Palladium-Catalyzed Selective Fluorination of o-Carboranes. J Am Chem Soc 2013; 135:12192-5. [DOI: 10.1021/ja405808t] [Citation(s) in RCA: 98] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Zaozao Qiu
- Shanghai-Hong Kong
Joint Laboratory
in Chemical Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai
200032, China
| | - Yangjian Quan
- Department
of Chemistry and
State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong
Kong, China
| | - Zuowei Xie
- Shanghai-Hong Kong
Joint Laboratory
in Chemical Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai
200032, China
- Department
of Chemistry and
State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong
Kong, China
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108
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Stepwise formation of cyclodimer and cage via decomposition of hexafluorophosphate anion. Structures and related properties of (2,2′-bipyridine)palladium(II) complexes of 1,3,5-tris(nicotinoyloxyethyl)cyanurate. Inorganica Chim Acta 2013. [DOI: 10.1016/j.ica.2013.04.049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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109
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Wang Z, Ye H, Li Y, Li Y, Yan H. Unprecedented Boron-Functionalized Carborane Derivatives by Facile and Selective Cobalt-Induced B–H Activation. J Am Chem Soc 2013; 135:11289-98. [DOI: 10.1021/ja4047075] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Zhaojin Wang
- State Key Laboratory of Coordination Chemistry,
School
of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Hongde Ye
- State Key Laboratory of Coordination Chemistry,
School
of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Yuguang Li
- State Key Laboratory of Coordination Chemistry,
School
of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Yizhi Li
- State Key Laboratory of Coordination Chemistry,
School
of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
| | - Hong Yan
- State Key Laboratory of Coordination Chemistry,
School
of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210093, China
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110
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Spokoyny AM. New ligand platforms featuring boron-rich clusters as organomimetic substituents .. PURE APPL CHEM 2013; 85:10.1351/PAC-CON-13-01-13. [PMID: 24311823 PMCID: PMC3845684 DOI: 10.1351/pac-con-13-01-13] [Citation(s) in RCA: 126] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
200 years of research with carbon-rich molecules have shaped the development of modern chemistry. Research pertaining to the chemistry of boron-rich species has historically trailed behind its more distinguished neighbor (carbon) in the periodic table. Notably, a potentially rich and, in many cases, unmatched field of coordination chemistry using boronrich clusters remains fundamentally underdeveloped. Our work has been devoted to examining several basic concepts related to the functionalization of icosahedral boron-rich clusters and their use as ligands, aimed at designing fundamentally new hybrid molecular motifs and materials. Particularly interesting are icosahedral carboranes, which can be regarded as 3D analogs of benzene. These species comprise a class of boron-rich clusters that were discovered in the 1950s during the "space race" while researchers were developing energetic materials for rocket fuels. Ultimately, the unique chemical and physical properties of carborane species, such as rigidity, indefinite stability to air and moisture, and 3D aromaticity, may allow one to access a set of properties not normally available in carbon-based chemistry. While technically these species are considered as inorganic clusters, the chemical properties they possess make these boron-rich species suitable for replacing and/or altering structural and functional features of the organic and organometallic molecules-a phenomenon best described as "organomimetic". Aside from purely fundamental features associated with the organomimetic chemistry of icosahedral carboranes, their use can also provide new avenues in the development of systems relevant to solving current problems associated with energy production, storage, and conversion.
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111
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Twists and turns: Studies of the complexes and properties of bimetallic complexes featuring phenylene ethynylene and related bridging ligands. Coord Chem Rev 2013. [DOI: 10.1016/j.ccr.2012.08.008] [Citation(s) in RCA: 141] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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112
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Indelli MT, Bura T, Ziessel R. p-Carborane-Bridged Bipyridine Ligands for Energy Transfer between Two Iridium Centers. Inorg Chem 2013; 52:2918-26. [DOI: 10.1021/ic302222q] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- M. Teresa Indelli
- Dipartimento di Chimica, Università di Ferrara, INSTM Sezione di Ferrara,
44100 Ferrara, Italy
| | - Thomas Bura
- Laboratoire
de Chimie Organique
et Spectroscopies Avancées (ICEEPS-LCOSA), UMR 7515 au CNRS, Ecole
Européenne de Chimie, Polymères et Matériaux, Université de Strasbourg, 25 rue Becquerel,
67087 Strasbourg Cedex 02, France
| | - Raymond Ziessel
- Laboratoire
de Chimie Organique
et Spectroscopies Avancées (ICEEPS-LCOSA), UMR 7515 au CNRS, Ecole
Européenne de Chimie, Polymères et Matériaux, Université de Strasbourg, 25 rue Becquerel,
67087 Strasbourg Cedex 02, France
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113
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Cook TR, Zheng YR, Stang PJ. Metal-organic frameworks and self-assembled supramolecular coordination complexes: comparing and contrasting the design, synthesis, and functionality of metal-organic materials. Chem Rev 2013; 113:734-77. [PMID: 23121121 PMCID: PMC3764682 DOI: 10.1021/cr3002824] [Citation(s) in RCA: 2127] [Impact Index Per Article: 193.4] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Timothy R. Cook
- Department of Chemistry, University of Utah, 315 South 1400 East, RM 2020, Salt Lake City, Utah, 84112
| | - Yao-Rong Zheng
- Department of Chemistry, University of Utah, 315 South 1400 East, RM 2020, Salt Lake City, Utah, 84112
| | - Peter J. Stang
- Department of Chemistry, University of Utah, 315 South 1400 East, RM 2020, Salt Lake City, Utah, 84112
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114
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Wu T, Lin YJ, Jin GX. Stepwise formation of organometallic macrocycles and triangular prisms containing 2,2′-bisbenzimidazole ligands. Dalton Trans 2013; 42:82-8. [DOI: 10.1039/c2dt31387a] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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115
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Fontanet M, Rodríguez M, Romero I, Fontrodona X, Teixidor F, Viñas C, Aliaga-Alcalde N, Matějíček P. A water soluble Mn(ii) polymer with aqua metal bridges. Dalton Trans 2013; 42:7838-41. [DOI: 10.1039/c3dt00097d] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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116
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Hablot D, Ziessel R, Alamiry MAH, Bahraidah E, Harriman A. Nanomechanical properties of molecular-scale bridges as visualised by intramolecular electronic energy transfer. Chem Sci 2013. [DOI: 10.1039/c2sc21505e] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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117
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Xu HB, Deng JG, Kang B. Designed synthesis and photophysical properties of multifunctional hybrid lanthanide complexes. RSC Adv 2013. [DOI: 10.1039/c3ra40513c] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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118
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Kim SM, Park KH, Lee H, Moon SY, Jung OS. Synthesis, Structures, and Catalytic Properties of Ionic Metallacyclodimeric Palladium(II) Complexes. B KOREAN CHEM SOC 2012. [DOI: 10.5012/bkcs.2012.33.12.4069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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119
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Shanmugaraju S, Vajpayee V, Lee S, Chi KW, Stang PJ, Mukherjee PS. Coordination-Driven Self-Assembly of 2D-Metallamacrocycles Using a New Carbazole-Based Dipyridyl Donor: Synthesis, Characterization, and C60 Binding Study. Inorg Chem 2012; 51:4817-23. [DOI: 10.1021/ic300199j] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
| | - Vaishali Vajpayee
- Department of Chemistry, University of Ulsan, Ulsan 680-749 Republic of Korea
| | - Sunmi Lee
- Department of Chemistry, University of Ulsan, Ulsan 680-749 Republic of Korea
| | - Ki-Whan Chi
- Department of Chemistry, University of Ulsan, Ulsan 680-749 Republic of Korea
| | - Peter J. Stang
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake
City, Utah 84112, United States
| | - Partha Sarathi Mukherjee
- Department of Inorganic and
Physical Chemistry, Indian Institute of Science, Bangalore-560 012, India
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120
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Han Q, Wang LL, Li QJ, Zhao GZ, He J, Hu B, Tan H, Abliz Z, Yu Y, Yang HB. Synthesis of Triangular Metallodendrimers via Coordination-Driven Self-Assembly. J Org Chem 2012; 77:3426-32. [DOI: 10.1021/jo300016a] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Qing Han
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes,
Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China
| | - Li-Lei Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes,
Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China
| | - Quan-Jie Li
- Department of Chemistry, Beijing Normal University, Beijing 100875, P. R. China
| | - Guang-Zhen Zhao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes,
Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China
| | - Jiuming He
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P. R. China
| | - Bingjie Hu
- Shanghai Key Laboratory of Magnetic Resonance, Department of Physics, East China Normal University, Shanghai 200062, P. R.
China
| | - Hongwei Tan
- Department of Chemistry, Beijing Normal University, Beijing 100875, P. R. China
| | - Zeper Abliz
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, P. R. China
| | - Yihua Yu
- Shanghai Key Laboratory of Magnetic Resonance, Department of Physics, East China Normal University, Shanghai 200062, P. R.
China
| | - Hai-Bo Yang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes,
Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China
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121
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122
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Hablot D, Sutter A, Retailleau P, Ziessel R. Unsymmetrical p-Carborane Backbone as a Linker for Donor-Acceptor Dyads. Chemistry 2012; 18:1890-5. [DOI: 10.1002/chem.201103307] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2011] [Indexed: 12/15/2022]
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123
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124
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Vajpayee V, Song YH, Yang YJ, Kang SC, Cook TR, Kim DW, Lah MS, Kim IS, Wang M, Stang PJ, Chi KW. Self-assembly of Cationic, Hetero- or Homo-nuclear Ru(II) Macrocyclic Rectangles and their Photophysical, Electrochemical and Biological Studies. Organometallics 2011; 30:6482-6489. [PMID: 22180698 DOI: 10.1021/om200908c] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A series of supramolecular rectangles, including two mixed-metal Ru/Pt complexes, have been formed by the coordination-driven self-assembly of a range of arene-Ru "molecular clip" acceptors (1a-1d) with rigid dipyridyl-based ligands (2a-2d) over the course of 10 hours in solution. The isolated products were characterized by multinuclear NMR ((1)H and (13)C or (31)P), HR-ESI-MS and an X-ray diffraction study to support the ascribed two-component rectangular structures. The rectangles were further characterized by UV-Vis and fluorescence studies. The redox behaviors of rectangles 3ca and 3da were also determined using cyclic voltammetry. Additionally, the antitumor activities of the suite of rectangles were determined against various human cancer cell lines and significant activity was shown by complexes 3ca, 3da, 3cb, 3cc and 3cd, with IC(50) values as low as 2.65 μM.
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Affiliation(s)
- Vaishali Vajpayee
- Department of Chemistry, University of Ulsan, Ulsan 680-749, Republic of Korea
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125
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Chakrabarty R, Mukherjee PS, Stang PJ. Supramolecular coordination: self-assembly of finite two- and three-dimensional ensembles. Chem Rev 2011; 111:6810-918. [PMID: 21863792 PMCID: PMC3212633 DOI: 10.1021/cr200077m] [Citation(s) in RCA: 2289] [Impact Index Per Article: 176.1] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Rajesh Chakrabarty
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Partha Sarathi Mukherjee
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Peter J Stang
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
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126
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Shanmugaraju S, Joshi SA, Mukherjee PS. Self-Assembly of Metallamacrocycles Using a Dinuclear Organometallic Acceptor: Synthesis, Characterization, and Sensing Study. Inorg Chem 2011; 50:11736-45. [DOI: 10.1021/ic201745y] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
| | - Sachin A. Joshi
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560 012, India
| | - Partha Sarathi Mukherjee
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560 012, India
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127
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Fontanet M, Popescu AR, Fontrodona X, Rodríguez M, Romero I, Teixidor F, Viñas C, Aliaga-Alcalde N, Ruiz E. Design of Dinuclear Copper Species with Carboranylcarboxylate Ligands: Study of Their Steric and Electronic Effects. Chemistry 2011; 17:13217-29. [DOI: 10.1002/chem.201101929] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2011] [Indexed: 11/05/2022]
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128
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Qiu Z, Ren S, Xie Z. Transition metal-carboryne complexes: synthesis, bonding, and reactivity. Acc Chem Res 2011; 44:299-309. [PMID: 21395260 DOI: 10.1021/ar100156f] [Citation(s) in RCA: 184] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The construction and transformation of metal-carbon (M-C) bonds constitute the central themes of organometallic chemistry. Most of the work in this field has focused on traditional M-C bonds involving tetravalent carbon: relatively little attention has been paid to the chemistry of nontraditional metal-carbon (M-C(cage)) bonds, such as carborane cages, in which the carbon is hypervalent. We therefore initiated a research program to study the chemistry of these nontraditional M-C(cage) bonds, with a view toward developing synthetic methodologies for functional carborane derivatives. In this Account, we describe our results in constructing and elucidating the chemistry of transition metal-carboryne complexes. Our work has shown that the M-C(cage) bonds in transition metal-carboranyl complexes are generally inert toward electrophiles, and hence significantly different from traditional M-C bonds. This lack of reactivity can be ascribed to steric effects resulting from the carboranyl moiety. To overcome this steric problem and to activate the nontraditional M-C(cage) bonds, we prepared a series of group 4 and group 10 transition metal-carboryne complexes (where carboryne is 1,2-dehydro-o-carborane), because the formation of metallacyclopropane opens up the coordination sphere and creates ring strain, facilitating the reactions of M-C(cage) bonds with electrophiles. Structural and theoretical studies on metal-carboryne complexes suggest that the bonding interaction between the metal atom and the carboryne unit is best described as a resonance hybrid of the M-C σ and M-C π bonds, similar to that observed in metal-benzyne complexes. The nickel-carboryne complex (η(2)-C(2)B(10)H(10))Ni(PPh(3))(2) can (i) undergo regioselective [2 + 2 + 2] cycloaddition reactions with 2 equiv of alkyne to afford benzocarboranes, (ii) react with 1 equiv of alkene to generate alkenylcarborane coupling products, and (iii) also undergo a three-component [2 + 2 + 2] cyclotrimerization with 1 equiv of activated alkene and 1 equiv of alkyne to give dihydrobenzocarboranes. The reaction of carboryne with alkynes is also catalyzed by Ni species. Subsequently, a Pd/Ni co-catalyzed [2 + 2 + 2] cycloaddition reaction of 1,3-dehydro-o-carborane with 2 equiv of alkyne was developed, leading to the efficient formation of C,B-substituted benzocarboranes in a single process. In contrast, the zirconium-carboryne species, generated in situ from Cp(2)Zr(μ-Cl)(μ-C(2)B(10)H(10))Li(OEt(2))(2), reacts with only 1 equiv of alkyne or polar unsaturated organic substrates (such as carbodiimides, nitriles, and azides) to give monoinsertion metallacycles, even in the presence of excess substrates. The resultant five-membered zirconacyclopentenes, incorporating a carboranyl unit, are an important class of intermediates for the synthesis of a variety of functionalized carboranes. Transmetalation of zirconacyclopentenes with other metals, such as Ni and Cu, was also found to be a very useful tool for various chemical transformations. Studies of metal-carboryne complexes remain a relatively young research area, particularly in comparison to the rich literature of metal-benzyne complexes. Other transition metal-carborynes are expected to be prepared and structurally characterized as the field progresses, and the results detailed here will further that effort by providing easy access to a wide range of functionalized carborane derivatives.
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Affiliation(s)
- Zaozao Qiu
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong, People’s Republic of China
| | - Shikuo Ren
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong, People’s Republic of China
| | - Zuowei Xie
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong, People’s Republic of China
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129
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Ferrer M, Pedrosa A, Rodríguez L, Rossell O, Vilaseca M. New insights into the factors that govern the square/triangle equilibria of Pd(II) and Pt(II) supramolecules. Unexpected participation of a mononuclear species in the equilibrium. Inorg Chem 2011; 49:9438-49. [PMID: 20866091 DOI: 10.1021/ic101150p] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The new rigid fluorinated ligand 4,4'-bis(4-pyridyl)octafluorobiphenyl (L1) has been synthesized by a nucleophilic substitution reaction between the organolithium derivative of the 4-bromopyridine and the compound decafluorobiphenyl. The use of L1 as building block of supramolecular species containing diphosphane or ethylenediamine Pd(II) and Pt(II) fragments has been explored, and the results have been compared with those previously reported for the smaller ligand 1,4-bis(4-pyridyl)tetrafluorobenzene (L2). The observed differences (particularly, square/triangle ratio) are discussed in terms of different parameters such as the nature of the ancillary ligands, solvent, or reaction temperature. The synthesis of water-soluble palladium metallamacrocycles derived from L1 has been attempted using ethylenediamine (en) or tetramethylethylenediamine (tmen) as ancillary ligand. Interestingly, in the latter case, the resulting solutions of the compounds showed, together with the square/triangle equilibrium, the unexpected presence of an additional lower nuclearity species, whose nature has been determined by means of bidimensional (1)H NMR experiments.
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Affiliation(s)
- Montserrat Ferrer
- Departament de Química Inorgànica, Universitat de Barcelona, c/Martí i Franquès 1-11, 08028 Barcelona, Spain
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130
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Dash BP, Satapathy R, Maguire JA, Hosmane NS. Polyhedral boron clusters in materials science. NEW J CHEM 2011. [DOI: 10.1039/c1nj20228f] [Citation(s) in RCA: 148] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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131
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Ahn J, Kim CW, Noh TH, Jung OS. Fine competition and control among argentophilic, electrostatic, and π···π interactions in a molecular chair structure. TRANSIT METAL CHEM 2010. [DOI: 10.1007/s11243-010-9446-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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132
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Ryu YK, Kim CW, Noh TH, Yoo KH, Jung OS. Anion-recognition of an ionic cyclodimeric Pd(II) complex. J COORD CHEM 2010. [DOI: 10.1080/00958972.2010.523825] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Yoon Kyong Ryu
- a Department of Chemistry , Pusan National University , Pusan 609-735 , Republic of Korea
| | - Chi Won Kim
- a Department of Chemistry , Pusan National University , Pusan 609-735 , Republic of Korea
| | - Tae Hwan Noh
- a Department of Chemistry , Pusan National University , Pusan 609-735 , Republic of Korea
| | - Kyung Ho Yoo
- b Biomaterials Center, Korea Institute of Science and Technology (KIST) , Seoul 136-791 , Republic of Korea
| | - Ok-Sang Jung
- a Department of Chemistry , Pusan National University , Pusan 609-735 , Republic of Korea
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133
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Huo X, Su G, Jin G. The Versatile Coordination Modes of Monophosphine‐
o
‐Carborane in the Formation of Iridium and Rhodium Complexes: Synthesis, Reactivity, and Characterization. Chemistry 2010; 16:12017-27. [DOI: 10.1002/chem.201001278] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Xian‐Kuan Huo
- Shanghai Key Laboratory of Molecular, Catalysis and Innovative Material, Department of Chemistry, Fudan University, Shanghai 200433 (P.R. China), Fax: (+86)‐21‐65643776
| | - Ge Su
- Shanghai Key Laboratory of Molecular, Catalysis and Innovative Material, Department of Chemistry, Fudan University, Shanghai 200433 (P.R. China), Fax: (+86)‐21‐65643776
| | - Guo‐Xin Jin
- Shanghai Key Laboratory of Molecular, Catalysis and Innovative Material, Department of Chemistry, Fudan University, Shanghai 200433 (P.R. China), Fax: (+86)‐21‐65643776
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134
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Dash BP, Satapathy R, Gaillard ER, Maguire JA, Hosmane NS. Synthesis and properties of carborane-appended C(3)-symmetrical extended pi systems. J Am Chem Soc 2010; 132:6578-87. [PMID: 20397701 DOI: 10.1021/ja101845m] [Citation(s) in RCA: 227] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of C(3)-symmetric pi-conjugated compounds containing three to six o-carborane clusters have been synthesized by employing palladium-catalyzed Suzuki coupling reactions and palladium-catalyzed acetylation reactions, followed by silicon tetrachloride mediated trimerization reactions. Carborane-containing extended trimers were found to emit blue light. Incorporation of o-carborane clusters into extended pi-conjugated systems led to 22-70% enhancement of their relative fluorescence quantum yields. Decapitation of o-carborane clusters made these extended trimers water soluble, and their aqueous solutions were also found to be fluorescent, but with a reduced fluorescence intensity. The carborane-appended pi-conjugated compounds are found to be extremely thermally stable, and for some of these compounds only 10% mass loss occurred at temperatures close to 500 degrees C. The DSC thermograms of smaller C(cage)-appended trimers indicate the occurrence of solid-solid phase transitions.
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Affiliation(s)
- Barada Prasanna Dash
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, Illinois 60115-2862, USA
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135
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Ghosh S, Mukherjee PS. Self-assembled Pd(II) metallocycles using an ambidentate donor and the study of square-triangle equilibria. Inorg Chem 2010; 48:2605-13. [PMID: 19267506 DOI: 10.1021/ic802254f] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The self-assembly reaction of a cis-blocked 90 degrees square planar metal acceptor with a symmetrical linear flexible linker is expected to yield a [4 + 4] self-assembled square, a [3 + 3] assembled triangle, or a mixture of these. However, if the ligand is a nonsymmetrical ambidentate, it is expected to form a complex mixture comprising several linkage isomeric squares and triangles as a result of different connectivities of the ambidentate linker. We report instead that the reaction of a 90 degrees acceptor cis-(dppf)Pd(OTf)(2) [where dppf = 1,1'-bis(diphenylphosphino)ferrocene] with an equimolar amount of the ambidentate unsymmetrical ligand Na-isonicotinate unexpectedly yields a mixture of symmetrical triangles and squares in the solution. An analogous reaction using cis-(tmen)Pd(NO(3))(2) instead of cis-(dppf)Pd(OTf)(2) also produced a mixture of symmetrical triangles and squares in the solution. In both cases the square was isolated as the sole product in the solid state, which was characterized by a single crystal structure analysis. The equilibrium between the triangle and the square in the solution is governed by the enthalpic and entropic contributions. The former parameter favors the formation of the square due to less strain in the structure whereas the latter one favors the formation of triangles due to the formation of more triangles from the same number of starting linkers. The effects of temperature and concentration on the equilibria have been studied by NMR techniques. This represents the first report on the study of square-triangle equilibria obtained using a nonsymmetric ambidentate linker. Detail NMR spectroscopy along with the ESI-mass spectrometry unambiguously identified the components in the mixture while the X-ray structure analysis determined the solid-state structure.
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Affiliation(s)
- Sushobhan Ghosh
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore-560 012, India
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136
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Ethynylmonocarba-closo-dodecaborates: M[12-HCC-closo-1-CB11H11] and M[7,12-(HCC)2-closo-1-CB11H10] (M=Cs+, [Et4N]+). J Organomet Chem 2010. [DOI: 10.1016/j.jorganchem.2010.02.011] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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137
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Himmelspach A, Finze M. Dicarba-closo-dodecaboranes with One and Two Ethynyl Groups Bonded to Boron. Eur J Inorg Chem 2010. [DOI: 10.1002/ejic.201000064] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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138
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Li TC, Spokoyny AM, She C, Farha OK, Mirkin CA, Marks TJ, Hupp JT. Ni(III)/(IV) Bis(dicarbollide) as a Fast, Noncorrosive Redox Shuttle for Dye-Sensitized Solar Cells. J Am Chem Soc 2010; 132:4580-2. [DOI: 10.1021/ja100396n] [Citation(s) in RCA: 179] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tina C. Li
- Department of Chemistry, Argonne-Northwestern Solar Energy Research Center (ANSER), and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208
| | - Alexander M. Spokoyny
- Department of Chemistry, Argonne-Northwestern Solar Energy Research Center (ANSER), and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208
| | - Chunxing She
- Department of Chemistry, Argonne-Northwestern Solar Energy Research Center (ANSER), and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208
| | - Omar K. Farha
- Department of Chemistry, Argonne-Northwestern Solar Energy Research Center (ANSER), and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208
| | - Chad A. Mirkin
- Department of Chemistry, Argonne-Northwestern Solar Energy Research Center (ANSER), and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208
| | - Tobin J. Marks
- Department of Chemistry, Argonne-Northwestern Solar Energy Research Center (ANSER), and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208
| | - Joseph T. Hupp
- Department of Chemistry, Argonne-Northwestern Solar Energy Research Center (ANSER), and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208
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139
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Zhao L, Ghosh K, Zheng YR, Stang PJ. Construction of endo-functionalized two dimensional metallacycles via coordination-driven self-assembly. J Org Chem 2010; 74:8516-21. [PMID: 19835395 DOI: 10.1021/jo9019607] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The synthesis of three endofunctionalized two-dimensional supramolecular metallacycles including two [2 + 2] rhomboids (5 and 6) and a [3 + 3] hexagon (7) is reported. The resulting self-assembled supramolecular structures, containing several nitrobenzyl moieties at their interior surface, have been fully characterized by multinuclear NMR ((31)P and (1)H) and electrospray ionization mass spectrometry. A significant C-H...O hydrogen bonding between the nitrobenzyl acceptor and the edge molecules of the supramolecular architecture is observed in the small rhomboid 5 and this interaction gradually decreases upon the enlargement of the resulting polygonal structures from a small rhomboid 5 through a large rhomboid 6 to a hexagon 7. Molecular modeling with the MMFF force field gives a possible conformation of each self-assembly in different solvents and shows that the hydrophilic nitrobenzyl moiety prefers to be buried in the cavity of the resulting polygonal structures in nonpolar solvents, thus forming hydrogen bonds with the peripheral component building units.
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Affiliation(s)
- Liang Zhao
- Department of Chemistry, University of Utah, 315 South 1400 East, Room 2020, Salt Lake City, Utah 84112, USA
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140
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Ziessel R, Ulrich G, Olivier JH, Bura T, Sutter A. Carborane-Bodipy scaffolds for through space energy transfer. Chem Commun (Camb) 2010; 46:7978-80. [DOI: 10.1039/c0cc02656e] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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141
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Botana E, Lubinu MC, Da Silva E, Espinet P, de Mendoza J. A deep tetranuclear metallo-cavitand with bis(aryl) palladium bridges. Chem Commun (Camb) 2010; 46:4752-4. [DOI: 10.1039/c0cc00534g] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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142
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Oliva JM, Schleyer PVR, Aullón G, Burgos JI, Fernández-Barbero A, Alkorta I. On the electronic structure and stability of icosahedral r-X2Z10H12 and Z12H122− clusters; r = {ortho, meta, para}, X = {C, Si}, Z = {B, Al}. Phys Chem Chem Phys 2010; 12:5101-8. [DOI: 10.1039/b924322d] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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143
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Huo XK, Su G, Jin GX. Neutral and zwitterionic half-sandwich Ir, Rh complexes supported by P,S-substituted o-carboranyl ligands: Synthesis, characterization and reactivity. Dalton Trans 2010; 39:1954-61. [DOI: 10.1039/b918272a] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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144
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Ryu YK, Kim CR, Noh TH, Lee JK, Jung OS. Unusual anion effects on the solution-behavior of cyclodimeric Pd(II) complex. J Mol Struct 2009. [DOI: 10.1016/j.molstruc.2009.08.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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145
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Peterson JJ, Werre M, Simon YC, Coughlin EB, Carter KR. Carborane-Containing Polyfluorene: o-Carborane in the Main Chain. Macromolecules 2009. [DOI: 10.1021/ma901703r] [Citation(s) in RCA: 118] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Joseph J. Peterson
- Department of Polymer Science and Engineering, University of Massachusetts, Amherst, Massachusetts 01003
| | - Mathias Werre
- Department of Polymer Science and Engineering, University of Massachusetts, Amherst, Massachusetts 01003
| | - Yoan C. Simon
- Department of Polymer Science and Engineering, University of Massachusetts, Amherst, Massachusetts 01003
| | - E. Bryan Coughlin
- Department of Polymer Science and Engineering, University of Massachusetts, Amherst, Massachusetts 01003
| | - Kenneth R. Carter
- Department of Polymer Science and Engineering, University of Massachusetts, Amherst, Massachusetts 01003
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146
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Ren S, Deng L, Chan HS, Xie Z. Synthesis and Structural Characterization of Zirconium−Carboryne Complexes. Organometallics 2009. [DOI: 10.1021/om900504g] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Shikuo Ren
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, People’s Republic of China
| | - Liang Deng
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, People’s Republic of China
| | - Hoi-Shan Chan
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, People’s Republic of China
| | - Zuowei Xie
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, People’s Republic of China
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147
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Zhang WZ, Han YF, Lin YJ, Jin GX. Synthesis and characterization of molecular rectangles of half-sandwich p-cymene ruthenium complexes bearing oxamidato ligands. Dalton Trans 2009:8426-31. [PMID: 19789798 DOI: 10.1039/b909357e] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of binuclear half-sandwich p-cymene ruthenium complexes bearing oxamidato ligands [(p-cymene)(2)Ru(2)(mu-N,N'-bis(aryl)oxamidato)Cl(2)] (1-3) was synthesized by the reactions of the lithium salts of oxamide with [(p-cymene)RuCl(2)](2), respectively. Treatment of the binuclear complexes (1-3) with bidentate ligands such as 4,4'-bipyridine (4,4'-bpy) and trans-1,2-bis(4-pyridyl)ethylene (bpe) in the presence of AgOTf (OTf = CF(3)SO(3)) gave the corresponding tetranuclear complexes generally formulated as [(p-cymene)(4)Ru(4)(mu-N,N'- bis(aryl)oxamidato)(2)(mu-4,4'-bpy)(2)](OTf)(4) (4a-c) and [(p-cymene)(4)Ru(4)(mu-N,N'-bis(aryl)oxamidato)(2)(mu-bpe)(2)](OTf)(4) (5a-c) in high yields. All compounds (1-3, 4a-5c) have been characterized by NMR and IR spectra and elemental analyses. The molecular structures of , and have been determined by single-crystal X-ray analyses. The molecular structures of tetranuclear complexes and showed that two binuclear fragments as building blocks were connected by 4,4'-bpy or bpe to construct a rectangular cavity with the dimensions 5.57 x 11.28 A (4a) and 5.56 x 13.65 A (5a).
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Affiliation(s)
- Wan-Zheng Zhang
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Material, Department of Chemistry, Advanced Materials Laboratory, Fudan University, Shanghai, 200433, China
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148
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Maran U, Britt D, Fox CB, Harris JM, Orendt AM, Conley H, Davis R, Hlady V, Stang PJ. Self-assembly of a triangle-shaped, hexaplatinum-incorporated, supramolecular amphiphile in solution and at interfaces. Chemistry 2009; 15:8566-8577. [PMID: 19655346 PMCID: PMC2765193 DOI: 10.1002/chem.200900595] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The self-assembly and characterization of a novel supramolecular amphiphile built from a new 60 degree amphiphilic precursor that incorporates hydrophilic platinum(II) metals and hydrophobic dioctadecyloxy chains is reported. The amphiphilic macrocycle and its precursor compound have been characterized by multinuclear NMR spectroscopy, ESI-MS, and other standard techniques. The coacervate morphology of the amphiphile at the liquid-liquid interface has been studied by using confocal optical microscopy and in situ Raman spectroscopy. The self-assembly of the amphiphilic macrocycle at the air-water interface has been investigated through Langmuir-trough techniques. The study indicates the possible formation of surface micelle-like aggregates. The disparity between the experimental molecular areas and those derived from molecular models support the idea of aggregation. AFM images of the surface aggregates show the formation of a flat topology with arbitrary ridgelike patterns. Reasonable molecular-packing arrangements are proposed to explain the molecular organization within the observed structures.
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Affiliation(s)
- Umamageswaran Maran
- Department of Chemistry, University of Utah, 315 South 1400 East, RM 2020, Salt Lake City, Utah 84112 (USA), Fax: (+1)801-581-8433
| | - David Britt
- Department of Biological Engineering, Utah State University, Utah 84322 (USA)
| | | | - Joel M. Harris
- Department of Chemistry, University of Utah, 315 South 1400 East, RM 2020, Salt Lake City, Utah 84112 (USA), Fax: (+1)801-581-8433
- Department of Bioengineering, University of Utah, Utah 84112 (USA)
| | - Anita M. Orendt
- Department of Chemistry, University of Utah, 315 South 1400 East, RM 2020, Salt Lake City, Utah 84112 (USA), Fax: (+1)801-581-8433
- Centre for High Performance Computing, University of Utah, Utah 84112 (USA)
| | - Hiram Conley
- Department of Physics and Astronomy, Brigham Young University, Utah 84602 (USA)
| | - Robert Davis
- Department of Physics and Astronomy, Brigham Young University, Utah 84602 (USA)
| | - Vladamir Hlady
- Department of Bioengineering, University of Utah, Utah 84112 (USA)
| | - Peter J. Stang
- Department of Chemistry, University of Utah, 315 South 1400 East, RM 2020, Salt Lake City, Utah 84112 (USA), Fax: (+1)801-581-8433
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149
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Ghosh S, Gole B, Bar AK, Mukherjee PS. Self-Assembly of Molecular Prisms via Pt3 Organometallic Acceptors and a Pt2 Organometallic Clip. Organometallics 2009. [DOI: 10.1021/om900309x] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sushobhan Ghosh
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore-560 012, India
| | - Bappaditya Gole
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore-560 012, India
| | - Arun Kumar Bar
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore-560 012, India
| | - Partha Sarathi Mukherjee
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore-560 012, India
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150
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Noh TH, Na YM, Lee YA, Jung OS. Ring-expansion and solvation of cyclodimeric Pd(II) complex. J Mol Struct 2009. [DOI: 10.1016/j.molstruc.2009.03.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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