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Molybdenum complexes containing substituted cyclopenta[l]phenanthrenyl ligand |
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| Authors: | Jan Honzí?ek Abhik Mukhopadhyay Carlos C Romão |
| Institution: | a Instituto de Tecnologia Química e Biológica da Universidade Nova de Lisboa, Av. da República, EAN, 2780-157 Oeiras, Portugal b Department of General and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice, nám. Studentská 573, 532 10 Pardubice, Czech Republic c REQUIMTE/CQFB, Departamento de Química, FCT-UNL, 2829-516 Monte de Caparica, Portugal |
| Abstract: | The synthesis of new cyclopental]phenanthrenyl complexes (η5-C17H10Me)(η3-C3H5)Mo(CO)2] and (η5-C17H9(COOMe)N(CH2)4)(η3-C3H5)Mo(CO)2] is described. Although these compounds are structural analogues their reactivity is different. Protonation of (η5-C17H10Me)(η3-C3H5)Mo(CO)2] gives a stable ionic compound (η5-C17H10Me)Mo(CO)2(NCMe)2]BF4] while its analogue containing both tertiary amino and carboxylic ester groups (η5-C17H9(COOMe)N(CH2)4)(η3-C3H5)Mo(CO)2] decomposes under the same conditions. (η5-C17H10Me)Mo(CO)2(NCMe)2]BF4] reacts with cyclopentadiene to give a stable η4-complex (η4-C5H6)(η5-C17H10Me)Mo(CO)2]BF4] that was successfully oxidized to the Mo(IV) dicationic compound (η5-C5H5)(η5-C17H10Me)Mo(CO)2]Br]BF4]. |
| Keywords: | Metallocene Indenyl complexes Molybdenum X-ray diffraction |
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