Metal polypyrazolylborate complexes : IV. Some reactions of organometallic rhodium(I) chloride derivatives with polypyrazolylborates |
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| Authors: | RB King A Bond |
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| Institution: | Department of Chemistry, University of Georgia, Athens, Georgia 30602 U.S.A. |
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| Abstract: | Reactions of the 1,5-cyclooctadiene complex C8H12RhCl]2 with the potassium polypyrazolylborates KH4?nBPzn] (Pz = pyrazolyl, n = 2, 3 and 4; Pz = 3,5-dimethylpyrazolyl, n = 2 and 3) in ethereal solvents give the corresponding complexes C8H12RhPznBH4?n as stable yellow solids. Reaction of Rh(CO)2Cl]2 with potassium bis(pyrazolyl)borate in hexane gives yellow H2B(C3H3N2)2Rh- (CO)2, but similar reactions of Rh(CO)2Cl]2 with the other polypyrazolylborates lead only to decomposition at room temperature. The tris- and tetrakis(pyrazolyl)borate rhodium 1,5-cyclooctadiene complexes all appear stereochemically non-rigid at room temperature. |
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