Metal complexes of macrocyclic ligands. Part XXXIII. Effect of the side-chain length on the on/off equilibrium in the Ni2+ and Cu2+ complexes of 11-(2-aminoethyl)- and 11-(3-aminopropyl)-1,4,7,11-tetraazacyclotetradecane
✍ Scribed by André Schiegg; Thomas A. Kaden
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- German
- Weight
- 395 KB
- Volume
- 73
- Category
- Article
- ISSN
- 0018-019X
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## Abstract The two macrocycles 1‐(2‐aminoethyl)‐ and 1‐[2‐(dimethylamino)ethyl]‐4, 8, 11‐trimethyl‐1, 4, 8, 11‐tetraazacyclotetradecane, **1** and **2**, respectively, and their metal complexes with Co^2+^, Ni^2+^ and Cu^2+^ were prepared. The different spectral properties of the complexes with th
## Abstract The formation and dissociation kinetics of the pentaco‐ordinated Cu^2+^, Ni^2+^, Co^2+^ and Zn^2+^ complexes with 1,4,8,11‐tetramethyl‐1,4,8,11‐tetraazacyclotetradecane (4‐MeCyclam‐14) was studied by pH‐stat techniques and spectrophotometrically. The rates of the reactions between 4‐MeC
## Abstract The interaction of solvents and of unidentate ligands such as N, SCN^−^, OCN^−^ and OH^−^ with the Co^2+^‐, Ni^2+^ and Cu^2+^‐complexes of 1,4,8,11‐tetramethyl‐1,4,8,11‐tetraazacyclotetradecane (TMC) have been studied by Spectrophotometric and calorimetric techniques. The spectra in dif