2012
DOI: 10.1021/cg3010085
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Supramolecular Polymers with [Co(en)3]3+Cores (en = ethylenediamine)

Abstract: From aqueous solutions containing Λ-[Co(en) 3 ]I 3 (1, 2), Δ-[Co-(en) 3 ]I 3 (5), or racemic [Co(en) 3 ]I 3 (3, 4) AgI and PbI 2 respectively were precipitated by addition of Ag 2 EDC, [Ag(en)][Ag(BDC)], PbADC or (NH 4 )[Ag 5 (BTC) 2 (NH 3 )-(H 2 O) 2 ] and filtered off (en = ethylenediamine, H 2 EDC = fumaric acid, H 2 BDC = terephthalic acid, H 2 ADC = acetylenedicarboxylic acid, H 3 BTC = trimesic acid). After slow evaporation of the remaining solutions single crystals of ∞ 1and ∞ 2 {Δ-[Co(en) 3 ]EDC(NO 3 )… Show more

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Cited by 5 publications
(2 citation statements)
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“…Several structural reports of diastereomeric coordination compounds such as Δ‐[Co(en) 3 ] Y 3 , where Y is a chiral anion have appeared as well as a coordination compound adduct. Examples of diastereomeric Δ‐[Co(en) 3 ] Y 3 coordination compounds: Δ‐[Co(en) 3 ](fumarate)(NO 3 ) · 2H 2 O, Δ‐[Co(en) 3 ][MoO 3 (C 2 O 4 )OH 2 ]I · 2H 2 O, Δ‐[Co(en) 3 ]Δ‐[Co(en)(ox) 2 ]I 2 · H 2 O, and Δ‐[Co(en) 3 ]Δ‐[Cr(ox) 3 ], and an adduct: Δ‐[Co(en) 3 ](ClO 4 ) 3 · 2[Pd 3 ( d ‐pen) 3 ], where d ‐pen = d ‐penicillamine . In contrast to these examples, to the best of our knowledge, we report the first example of the enantiomeric Δ‐[Co(en) 3 ] X 3 coordination compound.…”
Section: Introductionmentioning
confidence: 99%
“…Several structural reports of diastereomeric coordination compounds such as Δ‐[Co(en) 3 ] Y 3 , where Y is a chiral anion have appeared as well as a coordination compound adduct. Examples of diastereomeric Δ‐[Co(en) 3 ] Y 3 coordination compounds: Δ‐[Co(en) 3 ](fumarate)(NO 3 ) · 2H 2 O, Δ‐[Co(en) 3 ][MoO 3 (C 2 O 4 )OH 2 ]I · 2H 2 O, Δ‐[Co(en) 3 ]Δ‐[Co(en)(ox) 2 ]I 2 · H 2 O, and Δ‐[Co(en) 3 ]Δ‐[Cr(ox) 3 ], and an adduct: Δ‐[Co(en) 3 ](ClO 4 ) 3 · 2[Pd 3 ( d ‐pen) 3 ], where d ‐pen = d ‐penicillamine . In contrast to these examples, to the best of our knowledge, we report the first example of the enantiomeric Δ‐[Co(en) 3 ] X 3 coordination compound.…”
Section: Introductionmentioning
confidence: 99%
“…Thus, they are important for students in several fields to understand. For chemistry students, most metal complexation reactions include systems with higher stoichiometries. The copper­(II)–ammonia system is routinely used in many introductory laboratories as a model system for metal–ligand reactions and a confirmation step in qualitative analysis schemes . In biochemistry, metal complexation helps explain how amino acids and carboxylic acids in the Krebs cycle interact with metal ions .…”
Section: Introductionmentioning
confidence: 99%