Reaction of 3,3′,4,4′-tetramethyl-1,1′-diphosphaferrocene with [Re2(CO)8(CH3CN)2]: Novel coordination modes of the 1,1′-diphosphaferrocene ligand |
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| Authors: | Arkadiusz K?ys Janusz Zakrzewski |
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| Affiliation: | a Department of Organic Chemistry, University of ?ód?, 90-136 ?ód?, Narutowicza 68, Poland
b Department of Crystallography and Crystal Chemistry, University of ?ód?, 90-236 ?ód?, Pomorska 149/153, Poland |
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| Abstract: | Reaction of 3,3′,4,4′-tetramethyl-1,1′-diphosphaferrocene (1) with [Re2(CO)8(CH3CN)2] afforded two trimetallic complexes in which the heterometallocene is ligated across the Re-Re bond. The structure of the complex having 1 bridging the Re2(CO)8 moiety through two P atoms was determined by X-ray diffraction and compared with those of analogous complexes with organic bridging bis-phosphines. The second complex obtained in this reaction presumably contains 1 acting as a (P,Fe) bridging ligand. |
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| Keywords: | 1,1&prime -Diphoshaferrocene Rhenium carbonyl Bridging ligand X-ray structure |
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