个人简介

Professor Rathore received his M.Sc. in 1986 from Indian Institute of Technology (IIT), Kanpur and his Ph.D. degree in Organic chemistry from University of Western Ontario, London, Canada in 1990. He was a Postdoctoral Research Associate (1992-97) and a Visiting Assistant Professor (1997-2000) at University of Houston before joining the faculty at Marquette University in August 2000. Professor Rathore's research interests are in the area of organic supramolecular chemistry/materials chemistry.

研究领域

Organic Chemistry

My group's research is broadly defined as in the area of organic supramolecular and materials chemistry. We are interested in a variety of topics with a strong emphasis on the design and synthesis of novel electro-active molecules that can be utilized as practical molecular devices for the applications in the emerging field of nanotechnology as well as in biomaterial applications. Graduate and undergraduate student and postdoctoral researchers in my group are exposed to a broad range of topics including synthetic organic chemistry, organometallic chemistry, electrochemistry, photochemistry, time-resolved laser spectroscopy, and X-ray crystallography. The projects which are currently being pursued in my group consists of several independent but highly interrelated projects that are best summarized as follows: Development of Molecular Sensors for NO and other analytes Design and Synthesis of Molecular Switches for Data Storage Preparation of Paramagnetic Materials as Molecular Conductors and Wires Synthesis of Supramolecular Assemblies Based on Donor-Acceptor Interactions and Study of Long-Range Electron Transfer Isolation of Highly-Reactive Cation-Radicals, Carbocations, and Wheland Intermediates Development of Novel Electron-Transfer Catalysts and New Synthetic Methodologies for Organic Synthesis. New exploratory projects for the design and preparation of novel molecular wires and biosensors are being actively pursued in my group and will be disclosed in the coming year. The research in our group lies at the interface of synthetic organic chemistry, molecular recognition, material science, solid state electronics, and biology with the ultimate aim of studying and exploiting new organic molecules and materials that can be used as molecular devices, such as sensors, switches, wires, ferromagnets, semiconductors, and other electronic and optoelectronic devices. To fulfill this task, we utilize intra- and inter-molecular interactions that are present in supramolecular and macrocyclic assemblies containing multiple redox-active chromophores for the construction of higher-order organic materials. Ultimately, a fundamental understanding of weak interactions among molecules and ions (i.e. molecular recognition) encompasses all of these issues, and has wide ranging implications from areas as diverse as molecular machines to solar energy storage. As an example, we have recently shown that systematic study of the interaction of cofacial receptors (in which the aryl moieties are oriented at varying angles) with gaseous nitric oxide (NO)-an important biological messenger, led to the development of remarkably efficient receptors for NO (KNO > 108 M-1), see Figure below. We are presently exploiting this remarkably efficient binding of NO with stilbenoid and calixarene receptors to develop functional molecular sensors for nitric oxide.

近期论文

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“Direct Observation of Electron Transfer Induced Conformational Transformation (Molecular Actuation) in a Bichromophoric Electron Donor”, R. Shukla, K. Thakur, V. J. Chebny, S. A. Reid, R. Rathore J. Phys. Chem. B 2010 (Published on web: May 21, 2010). DOI: 10.1021/jp102357w “Probing the arenium ion (proton transfer) versus the cation radical (electron transfer) mechanisms for Scholl reaction using DDQ as oxidant”, L. Zhai, R. Shukla, S. H. Wadumethrige, R. Rathore J. Org. Chem. 2010, 75, 4748-4760. DOI:10.1021/jo100611k “Crossover Crossover from Single-Step Tunneling to Multistep Hopping for Molecular Triplet Energy Transfer”, J. Vura-Weis, S. H. Abdelwahed, R. Shukla, R. Rathore, M. A. Ratner, M. R. Wasielewski Science 2010, 328, 1547-1550. DOI: 10.1126/science.1189354 “Cooperative Interaction of Hydronium Ion with an Ethereally Fenced Hexaaryl-benzene-Based Receptor: A NMR and Theoretical Study”, Jaroslav Kříž, Petr Toman, Emanuel Makrlík, Jan Budka, Ruchi Shukla, and Rajendra Rathore J. Phys. Chem. A 2010, 114, 5327-5334. DOI:10.1021/jp101080h “Preparation of a tetraphenylethylene-based emitter: Synthesis, structure and optoelectronic properties of tetrakis(pentaphenylphenyl)ethylene”, V. S. Vyas, R. Rathore Chem. Commun. 2010, 46, 1065-1067. DOI:10.1039/ B923915D “Isolation and X-ray Structural Characterization of a Dicationic Homotrimer of 3,4,6,7-Tetramethoxy-9,10-dimethylanthracene Cation Radical”, M. Modjewski, R. Shukla, S. V. Lindeman, R. Rathore Tetrahedron Lett. 2009, 50, 6687-6690. DOI: 10.1016/j.tetlet.2009.09.081 “A Versatile Preparation of Geländer-Type p-Terphenyls from a Readily Available Diacetylenic Precursor”, M. Modjewski, S. V. Lindeman, R. Rathore Org. Lett. 2009, 11, 4656-4659. DOI: 10.1021/ol01938f “Synthesis and Electronic Properties of Nanometer-Size Symmetrical Tetrakis(poly-p-phenylene)ethylenes”, V.S. Vyas, M. Banerjee, R. Rathore Tetrahedron Lett. 2009, 50, 6159-6162. DOI: 10.1016/j.tetlet.2009.08.077 “Terphenyl Crowns: A New Family of Receptors Containing Ethereal Canopies for Effective Cation- Interaction”, R. Shukla, S.V. Lindeman, R. Rathore Chem. Commun. 2009, 5600-5602. DOI:10.1039/ B912796H “Oxidative C-C Bond Formation (Scholl reaction) Using DDQ as an Efficient and Easily Recyclable Oxidant”, L. Zhai, R. Shukla, R. Rathore Org. Lett. 2009, 11, 3474-3477. DOI: 10.1021/ol901331p “Isolation and X-ray Structural Characterization of Charge Delocalization onto the Three Equivalent Benzenoid Rings in Hexamethoxytriptycene Cation Radical”, V.J. Chebny, Tushar Navale, Ruchi Shukla, S.V. Lindeman, R. Rathore Org. Lett. 2009, 11, 2253-2256. DOI: 10.1021/ol00558s “Octamethoxydibenzochrysene: Isolation and X-ray Structural Characterization of a twisted Polyaromatic cation radical”, T.S. Navale, L. Zhai, S.V. Lindeman, R. Rathore Chem. Commun. 2009, 2857-2859. DOI:10.1039/B903133B “A Functional Electromechanical Molecular Actuator: Redox-Controlled Clam-Like Motion in a Bichromophoric Electron Donor”, V.J. Chebny, R. Shukla, S. V. Lindeman, R. Rathore Org. Lett. 2009, 11, 1939-1942. DOI: 10.1021/ol900371m “Supramolecular Complexation of N-Alkyl- and N’-Dialkylpiperazines with Cucurbit[6]uril in Aqueous Solution and in Solid State”, M.V. Rekharsky, H. Yamamura, T. Mori, A. Sato, S.V. Lindeman, R. Rathore, K. Shiba, Y. H. Ko, N. Selvapalam, K. Kim, Y. Inoue Chem. Eur. J. 2009, 15, 1957-1965. DOI: 10.1002/chem.200800398 “A Versatile Synthesis of Electro-Active Stilbenoprismands for Effective Binding of Metal Cations”, P. Debroy, S.V. Lindeman, R. Rathore J. Org. Chem. 2009, 74, 2080-2087. DOI: 10.1021/jo802579f “Synthesis, Optical, and Electronic Properties of Soluble Poly-p-phenylene Oligomers as Models for Molecular Wires”, M, Banerjee, R. Shukla, R. Rathore J. Am. Chem. Soc. 2009, 131, 1780-1786. DOI: 10.1021/ja805102d “Synthesis of Elusive Alkoxy-Substituted Hexa-peri-hexabenzocoronenes”, S.H. Wadumethrige, R. Rathore Org. Lett. 2008, 10, 5139-5142. DOI: 10.1021/ol8020429 “Octahydro[1,4:5,8]dimethanoanthraquinone: A Cheap and Readily-Available Electron-Transfer Oxidant for Biaryl Synthesis from Organocuprates”, R. Shukla, S.V. Lindeman, R. Rathore Synthesis 2008, 3769-3774. DOI: 10.1055/s-0028-1083232 ”Photochemical Elimination of Leaving Groups from Zwitterionic Intermediates Generated via Electrocyclic Ring Closure of ,-Unsatuarated Anilides”, J. Jia, M.G. Steinmetz, R. Shukla, R. Rathore J. Org. Chem. 2008, 73, 8867-8879. DOI: 10.1021/jo8017445 “Synthesis, Electronic Properties and X-ray Structural Characterization of Tetrabenzo[1,2-b:4,5-b’]difuran Cation Radicals”, R. Shukla, S.H. Wadumethrige, S.V. Lindeman, R. Rathore Org. Lett. 2008, 10, 3597-3590. DOI: 10.1021/ol801356e