2002
DOI: 10.1039/b200561c
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Assemblies of multiply bonded [Re2]n+ cores possessing bond orders of 3 or 3.5 that are linked by dicarboxylate bridges

Abstract: An earlier study describing the exchange of the µ-acetato ligands of Re 2 (µ-O 2 CCH 3 )Cl 4 (µ-dppm) 2 (1) and cis-Re 2 (µ-O 2 CCH 3 ) 2 Cl 2 (µ-dppm) 2 (2) by dicarboxylic acids has been expanded to include reactions with the monocarboxylic acid isonicotinic acid, and the dicarboxylic acids adipic acid, 4,4Ј-biphenyldicarboxylic acid, fumaric acid, trans-1,4-cyclohexanedicarboxylic acid and 1,1Ј-ferrocenedicarboxylic acid. Further examples of complexes that are "dimers-of-dimers" and triangular supramolecula… Show more

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Cited by 38 publications
(16 citation statements)
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“…The Re-Re distance in 4(L Et )ÁC 2-H 5 OH falls within the range of the corresponding distances in other structurally characterized edge-shared bioctahedral dirhenium complexes [19]. The two Re-P bond lengths ($2.41 Å) in 4(L Et )ÁC 2-H 5 OH are slightly shorter than that observed in other structurally characterized dppm containing Re 2 5+ complexes [3][4][5]. The average…”
Section: Resultsmentioning
confidence: 73%
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“…The Re-Re distance in 4(L Et )ÁC 2-H 5 OH falls within the range of the corresponding distances in other structurally characterized edge-shared bioctahedral dirhenium complexes [19]. The two Re-P bond lengths ($2.41 Å) in 4(L Et )ÁC 2-H 5 OH are slightly shorter than that observed in other structurally characterized dppm containing Re 2 5+ complexes [3][4][5]. The average…”
Section: Resultsmentioning
confidence: 73%
“…The reaction of 1 with isonicotinic acid affords the expected dirhenium(III,II) complex Re 2 (l-O 2 CC 5 H 4 N)Cl 4 (l-dppm) 2 [3] whereas with terephthalic acid the centrosymmetric ''dimer-of-dimers'' l-terephthalate complex [(l-dppm) 2 Cl 4 Re 2 ] 2 (l-O 2 CC 6 H 4 CO 2 ) [4] is formed. Similar dicarboxylate-bridged complexes are isolated with the use of adipic acid, fumaric acid and 4,4 0 -biphenyldicarboxylic acid [3]. When trans-1,4-cyclohexanedicarboxylic acid is used the reduced Re 2 4+ complex cis-Re 2 (l-O 2 CC 6 H 10 CO 2 Et) 2 Cl 2 (ldppm) 2 was obtained [3].…”
Section: Introductionmentioning
confidence: 98%
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“…Other dimetallic and polymetallic examples include a quadruply bonded Re 2 with 1,1 0 -ferrocene dicarboxylate in a tetradentate chelating mode [32], a dimer of Os 3 clusters bridged by 1,1 0 -ferrocene dicarboxylate [33] and a square tetramer of Pt 4 units bridged by four 1,1 0 -ferrocene dicarboxylate [34]. Reported in this contribution are the isolation and characterization of products from the reactions between 1,1 0 -ferrocene dicarboxylic acid and the Ru 2 (DArF) 3 (OAc)Cl and Ru 2 (DArF) 2 (OAc) 2 Cl type synthons developed by several laboratories including ours [35][36][37][38][39][40][41][42][43].…”
Section: Introductionmentioning
confidence: 99%