个人简介

Education: B.Sc., M.Sc., Ph.D. (University of Tsukuba) Postdoc: University of California, Riverside

研究领域

Inorganic Chemistry & Organometallics/Organic Chemistry & Synthesis

Research Interest Our research principally focuses on the development of novel molecules containing p-block elements, especially boron, silicon and phosphorus, and it spans the fields among organic, inorganic, and organometallic chemistry. By taking advantage of characteristic properties of p-block elements, we design and synthesize fundamentally significant and interesting compounds featuring unique bonds and structures. Since the peculiar design of our molecules gives rise to original properties, they are not limited to be only laboratory curiosity, but will have important applications such as building blocks, organocatalysts, ligands, etc. Our research directions are outlined as follows: 1. Novel Bonding and Structural Paradigms. We search for new types of bonding and structural paradigms which are hitherto unknown in classical organic and inorganic chemistry. In particular, multiply bonded compounds including boron as well as heavier main group elements have potentials to be useful synthetic building blocks to produce new inorganic compounds just like alkenes and alkynes in organic synthesis. Such approach will allow for the preparation of new materials previously inaccessible by conventional methods. 2. Stable Version of Transient Species. Reactive intermediates have proven to play a central role in fundamental research. If it is possible to control and use such species at will, many fields in chemistry would progress dramatically. Based on our long-standing experience in the stabilization of highly reactive species, we develop isolable low valent elements which are supposed to be only transient intermediates, such as borylenes, vinylidenes, nitrenes, radicals, heterocycles, and their heavier group elements analogous. 3. Organic and Organometallic Catalysis. Efficient and selective synthesis of organic molecules is of paramount significance in industry. It is critical for our future to find powerful catalysts enable selective conversion of abundant molecules into industrially important compounds such as bulk chemicals, in low energy demand processes. Using our original molecules as organocatalysts or ligands for transition metal complexes, we develop efficient catalytic systems which will not only solve industrial production issues as the selective synthesis of materials, but also allow for reducing considerably the cost of chemical processes Overall objective of our research is directed to establish a novel fundamental chemistry, which can be applied to new materials in catalysis and synthetic chemistry. By demonstrating such concept, one of the ultimate goals of our research effort is the development of green and sustainable chemistry approached by inorganic and organometallic chemistry, which consequently will address current world-wide issue such as energy conservation and environmental impacts Selected Compounds Published.

近期论文

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Diverse Reactivity of A Tricoordinate Organoboron L2PhB: (L = oxazol-2-ylidene) towards Alkali Metal, Group 9 Metal, and Coinage Metal Precursors. Lingbing Kong, Rakesh Ganguly, Yongxin Li, Rei Kinjo. Chem. Sci. 6, xxx - xxx, 2015. (accepted) Metal-Free sigma-Bond Metathesis in 1,3,2-Diazaphospholene-Catalyzed Hydroboration of Carbonyl Compounds. Che Chang Chong, Hajime Hirao, Rei Kinjo. Angew. Chem. Int. Ed. 54, 190 - 194, 2015. Metal-Free σ-Bond Metathesis in Ammonia Activation by a Diazadiphosphapentalene. Jingjing Cui, Yongxin Li, Rakesh Ganguly, Anusiya Inthirarajah, Hajime Hirao, Rei Kinjo. J. Am. Chem. Soc. 136, 16764 - 16767, 2014. Isolation of an Imino-N-heterocyclic Carbene/Germanium(0) Adduct: A Mesoionic Germylene Equivalent. Bochao Su, Rakesh Ganguly, Yongxin Li, Rei Kinjo. Angew. Chem. Int. Ed. 53, 13106 - 13109, 2014. Synthesis and Structural Characterization of a C4 Cumulene including 4-Pyridylidenes Units, and Its Reactivity towards Ammonia-Borane. Di Wu, Yongxin Li, Rakesh Ganguly, Rei Kinjo. Chem. Commun. 50, 12378 - 12381, 2014 1,2,4,3-Triazaborole-based Neutral Oxoborane Stabilized by a Lewis Acid. (#) Ying Kai Loh, (#) Che Chang Chong, Rakesh Ganguly, Yongxin Li, Dragoslav Vidovic, Rei Kinjo. Chem. Commun. 50, 8561 - 8564, 2014. Isolation of a Bis(oxazol-2-ylidene)-Phenylborylene Adduct and its Reactivity as a Boron-Centered Nucleophile. Lingbing Kong, Yongxin Li, Rakesh Ganguly, Dragoslav Vidovic, Rei Kinjo. Angew. Chem. Int. Ed. 53, 9280 - 9283, 2014. A Concerted Transfer Hydrogenolysis: 1,3,2-Diazaphospholene-Catalyzed Hydrogenation of N=N Bond with Ammonia-Borane. Che Chang Chong, Hajime Hirao, Rei Kinjo. Angew. Chem. Int. Ed. 53, 3342 - 3346, 2014. Borylene Complexes (BH)L2 and Nitrogen Cation Complexes (N+)L2: Isoelectronic Homologues of Carbones CL2. Mehmet Ali Celik, Rebecca Sure, Susanne Klein, R. Kinjo, Guy Bertrand, Gernot Frenking.. Chem. A Eur. J. 18, 5676 - 5692, 2012. Synthesis and Characterization of a Neutral Tricoordinate Organoboron Isoelectronic with Amines. R. Kinjo, B. Donnadieu, M. A. Celik, G. Frenking, G. Bertrand.. Science 333, 610 - 613, 2011. Gold-Catalyzed Hydroamination of Alkynes and Allenes with Parent Hydrazine. R. Kinjo, B. Donnadieu, G. Bertrand.. Angew. Chem. Int. Ed. 50, 5560 - 5563, 2011. Isolation of Carbene-Stabilized Phosphorus Mononitride and Radical Cation (PN+.). R. Kinjo, B. Donnadieu, G. Bertrand.. Angew. Chem. Int. Ed. 49, 5930 - 5933, 2010. Serendipitous Discovery of the Catalytic Hydroammoniumation and Methylamination of Alkynes. X. Zeng, R. Kinjo, B. Donnadieu, G. Bertrand.. Angew. Chem. Int. Ed. 49, 942 - 945, 2010. Interaction of π-Bonds of the Silicon-Silicon Triple Bond with Alkali Metals: An Isolable Anion Radical upon Reduction of a Disilyne. A. Sekiguchi, R. Kinjo, M. Ichinohe.. Synthetic Metals (Special Issue: Super-Hierarchial Structure Synthetic Metals), 159, 773 - 775, 2009. Synthesis of a Simplified Version of Stable Bulky and Rigid Cyclic (Alkyl)(Amino)Carbenes (CAACs), and Catalytic Activity of the Ensuing Gold(I) Complex in the Three-Component Preparation of 1,2-Dihydroquinoline Derivatives. X. Zeng, G. D. Frey, R. Kinjo, B. Donnadieu, G. Bertrand.. J. Am. Chem. Soc. 131, 8690 - 8696, 2009. Isolation of Bicyclopropenylidenes, Derivatives of the Smallest Member of the Fulvalene Family. R. Kinjo, Y. Ishida, B. Donnadieu, G. Bertrand.. Angew. Chem. Int. Ed. 48, 517 - 520, 2009. Reactivity of a Disilyne RSi≡SiR (R = SiiPr[CH(SiMe3)2]2) toward π-Bonds: Stereospecific Addition and a New Route to an Isolable 1,2-Disilabenzene. R. Kinjo, M. Ichinohe, A. Sekiguchi, N. Takagi, M. Sumimoto, S. Nagase.. J. Am. Chem. Soc. 129, 7766 - 7767, 2007. An Isolable Disilyne Anion Radical and a New Route to the Disilenide Ion upon Reduction of a Disilyne. R. Kinjo, M. Ichinohe, A. Sekiguchi.. J. Am. Chem. Soc. 129, 26 - 27, 2007. A Solid-State 29Si NMR Study of RSiSiR - A Tool for Analyzing the Nature of the Si-Si Bond. V. Kravchenko, R. Kinjo, A. Sekiguchi, M. Ichinohe, R. West, Y. S. Balazs, A. Schmidt, M. Karni, Y. Apeloig.. J. Am. Chem. Soc. 128, 14472 - 14473, 2006. The Chemistry of Disilyne with a Genuine Si-Si Triple Bond: Synthesis, Structure, and Reactivity. A. Sekiguchi, M. Ichinohe, R. Kinjo.. Bull. Chem. Soc. Jpn (Account), 79, 825 - 832, 2006. The First Stable Silicon-Silicon Triple Bond Species. A. Sekiguchi, R. Kinjo, M. Ichinohe.. Science 305, 1755 - 1757, 2004. The First Stable Methyl-Substituted Disilene: Synthesis, Crystal Structure, a Regiospecific MeLi Addition. M. Ichinohe, R. Kinjo, A. Sekiguchi.. Organometallics 22, 4621 - 4623, 2003. Tetrasilatetrahedranide: A Silicon Cage Anion. M. Ichinohe, M. Toyoshima, R. Kinjo, A. Sekiguchi.. J. Am. Chem. Soc. 125, 13328 - 13329, 2003. Neutral Tricoordinate Organoboron Derivatives Isoelectronic with Amines and Phosphines. G. Bertrand, R. Kinjo, B. Donnadieu. US20130190510 A1, 25-July 2013.