A novel trinuclear titanium(IV) complex with a C3 axis along Ti1–Ti2–Ti3 containing 3-[(1H-1,2,4-triazol-1-yl)methyl]-BINOLate ligands: synthesis,structure, and reactivity |
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| Institution: | 1. Post Graduate and Research Department of Chemistry, Jamal Mohamed College, Bharathidasan University, Tiruchirapalli, India;2. Organic Chemistry Division, School of Chemical Sciences, Nehru Arts and Science College, Kannur University, Kannur, India;3. Research Center, Department of Chemistry, East West Institute of Technology, Off Magadi Road, Bangalore, India;4. Post Graduate and Research Department of Chemistry, Kasaragod Govt. College, Kannur University, Kasaragod, India;1. Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;2. College of Material Science and Engineering, Jilin Jianzhu University, Changchun 130118, China;1. School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China;2. School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China;1. Key Laboratory of Medicinal Chemistry for Natural Resources, Chemistry Department, Yunnan University, Kunming, Yunnan, 650091, PR China;2. Kunming Institute of Precious Metals, State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum, Kunming, 650106, PR China;1. Organisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany;2. Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia |
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| Abstract: | A new modified BINOL, (S)-3-(1H-1,2,4-triazol-1-yl)methyl]-1,1′-binaphthol, was prepared. In the presence of titanium tetraisopropoxide, this ligand showed moderate catalytic properties for the asymmetric addition of diethylzinc to aldehydes. By treating rac-3-(1H-1,2,4-triazol-1-yl)methyl]-1,1′-binaphthol with excess titanium tetraisopropoxide, a novel trinuclear titanium(IV) complex was obtained. A C3 axis along Ti1–Ti2–Ti3 is present in the molecule. |
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