Liquid Injection Field Desorption Ionization Mass Spectrometry of Cyclic Metal Carbonyl Complexes with Tetra-Antimony Ligands |
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| Authors: | Hans J Breunig H Bernhard Linden Ovidiu Moldovan |
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| Institution: | 1. Department of Inorganic and Physical Chemistry, Faculty 2, University Bremen, Bremen, Germany
2. Linden CMS, Leeste/Weyhe, Germany
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| Abstract: | Reactions of (norbornadiene)Cr(CO)4 or cis-(piperidine)2Mo(CO)4 with R2Sb-SbR2, and cyclo-(R′Sb)n (R′ = Et, n-Pr; n = 4, 5) give the complexes cyclo-M(CO)4(R2Sb-SbR′- SbR′-SbR2)] (1: M = Cr, R = Me, R′= Et; 2: M = Mo, R = Et, R′ = Et; 3: M = Mo, R = Et, R′ = n-Pr). Not accessible to established characterization methods, the oily, extremely reactive unpurified mixture of 3 with scrambled ligands was characterized by mass spectrometry using liquid injection field desorption ionization (LIFDI).  | |
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