A macrobicyclic AgI3 cage encapsulating two cobalt(iii) ions: synthesis, structure and reactivity
- 1 January 1998
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 16,p. 1697-1698
- https://doi.org/10.1039/a803257b
Abstract
Reaction of the S-bridged CoIII 2AgI 3 pentanuclear complex, [AgI 3{CoIII(aet)3}2]3+ (1; aet = NH2CH2CH2S–), with para-formaldehyde in basic acetonitrile, followed by adding aqueous ammonia, produces the aza-capped complex, [AgI 3-{CoIII(L)}2]3+ [2; L = N(CH2NHCH2CH2S–)3] , in which two CoIII atoms are encapsulated in a macrobicyclic cage consisting of two aza-capped ligands L and three AgI atoms; 2 is converted to the aza-capped CoIII 4ZnII 4 octanuclear complex, [ZnII 4O{CoIII(L)}4]6+, by the reaction with I– in the presence of ZnO and Zn2+ in water, retaining the chiral configuration of the aza-capped [CoIII(L)] units.Keywords
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