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金属有机化学和有机合成 本人长期从事手性配体催化的不对称有机反应的研究及其在医药、农药中间体的合成应用。目前已经主持1项国家自然科学基金,1项江苏省自然科学基金。有机金属催化的不对称反应所面临的两个主要问题还是催化剂的效率(TON, TOF)和手性催化剂的普适性。现阶段大部分反应催化剂的用量都在百分之几,而且一种催化剂往往只对几类或是一类反应有效,甚至只能对一类反应中的某个底物有效。产物的光学活性主要是取决于催化剂自身的性质,而催化剂的性质又在很大程度上取决于配体的性质。因此设计、合成手性配体就成为了研究催化不对称反应的永恒的主题,同时,新型配体的研制又可以促进对不对称反应机理的了解,对完善现有的催化体系,开发新的反应都有重要的意义;而利用现有的手性配体和催化剂开发新的反应也是研究催化不对称反应的重要方面。从基础研究的角度考虑,新型手性配体的设计、合成及其在某些催化不对称反应中的应用研究能够提供有关反应不对称诱导和立体选择性方面的信息,从而揭示出不对称诱导的可能机制;更重要的是在达到对反应机理某种程度理解的基础上,能够理性地设计更新一代的新型手性催化体系。从实用性的角度考虑,目前的绝大多数不对称催化反应还远不能满足要求,催化剂的选择性、效率、反应速率、价格、反应条件等许多方面还有待进行改进,特别是催化剂的效率和价格问题,成为制约其工业应用的瓶颈。即使一些优秀的、有应用前景的手性配体或催化剂也都已被专利保护,从我国的情况(尤其是加入WTO以后)考虑,发展拥有自主知识产权的手性配体和催化剂是发展手性技术产业的关键。现代合成化学、药物化学和材料科学的发展使人们越来越认识到手性的重要性,不对称催化是获得光学纯手性物质最有效的方法之一,其核心问题在于设计和选择合适的催化剂。 具体研究方向主要包括:  不对称催化有机反应 农药合成  医药中间体合成  新型有机反应研究

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Yu Yuan, Isabelle Thome, Seok Hwan Kim, Duanteng Chen, Astrid Beyer, Julien Bonnamour, Erik Zuidema, Sukbok Chang, Carsten Bolm, Adv. Synth. Catal. 2010, 352, 2892-2898. Yu Yuan, Xiang Ji, Dongbo, Zhao, Efficient Oxidative Cleavage of 1,3-Dicarbonyl Derivatives with Hydrogen Peroxide Catalyzed by Quaternary Ammonium Iodide, Eur. J. Org. Chem. 2010, 5274-5278. Yu Yuan, Feng Chen, Dongbo Zhao,Iron-catalyzed Efficient Three-component Allylation of Imine in Aqueous Media. Appl. Organometal. Chem. 2009, 23, 485-491. Yu Yuan Yubo Bian,Efficient homocoupling reactions of halide compounds catalyzed by manganese (II) chloride, Appl. Organometal. Chem. 2008, 221-4. Yu Yuan, Zhuangzhi Shi, Xuan Feng, Xianglong Liu,Solvent-Free Reactions of Alcohols with β-Dicarbonyl Compounds Catalyzed by Iron(III) Chloride, Appl. Organometal. Chem. 2007, 21, 958–964. Yu Yuan, Zhuangzhi Shi,Indium(III)-Catalyzed Addition of 1,3-Dicarbonyl Compounds to Alkenes, Synlett. 2007, 20, 3219-3223. Yu Yuan, Yubo Bian, Gold(III) catalyzed oxidation of sulfides to sulfoxides with hydrogen peroxide , Tetrahedron letters, 2007, 48, 8518-8520. Yu Yuan, Gerd Raabe, Carsten Bolm, Novel Rhodium Complexes with Ferrocene-Based N-Heterocylic Carbenes: Synthesis, Structure and Catalysis J. Organomet. Chem. 2005, 690, 5747-5752. Yu Yuan, Xingwang Wang, Xin Li and Kuiling Ding, Highly Enantioselective Friedel-Crafts Reaction of Aromatic Amines with Ethyl Glyoxylate Catalyzed by Chiral Titanium(IV) Complexes: Practical Synthesis of Aminomandelic Acid Derivatives, J. Org. Chem., 2004, 69,146-149. Kuiling Ding, Haifeng Du, Yu Yuan, Jiang Long, Combinatorial chemistry approach to chiral catalyst engineering and screening: Rational design and serendipity, Chem. Eur. J., 2004, 10, 2872-2884. Yu Yuan, Xue Zhang, and Kuiling Ding, Quasi Solvent-Free Enantioselective Carbonyl-Ene Reaction Using Extremely Low Catalyst Loading,Angew. Chem. Int. Ed. Engl., 2003, 42, 5478-5480. Baoming Ji, Yu Yuan, Kuiling Ding and Jiben Meng, Assembled Dendritic Titanium Catalysts for Enantioselective HDA Reaction of Aldehydes with Danishefsky’s Diene, Chem. Eur. J., 2003, 9, 5898-5996. Yu Yuan, Xin Li, Jie Sun, and Kuiling Ding, To Probe the Origin of Activation Effect of Carboxylic Acid and (+)-NLE in Tridentated Titanium Catalyst Systems, J. Am. Chem. Soc. 2002, 124, 14866-14867. Yu Yuan, Jiang Long, Jie Sun, and Kuiling Ding, Dramatically Synergetic Effect of Carboxylic Acid Additive on Tridentate Titanium Catalyzed Enantioselective Hetero-Diels-Alder Reaction: Additive Acceleration and Nonlinear Effect, Chem. Eur. J., 2002, 8, 5033-5042. Yu Yuan, Xin Li, Kuiling Ding, Acid-free Hetero-Diels-Alder Reaction of Danishefsky’s Diene with Imines, Org. Lett., 2002, 4, 3309-3311.

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