An ethylene-linked catechol/8-hydroxyquinoline derivative and its dinuclear gallium(III) complex
- 3 July 2000
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in New Journal of Chemistry
- Vol. 24 (8) , 619-622
- https://doi.org/10.1039/b001838o
Abstract
The ethylene-linked catechol/8-hydroxyquinoline derivative 7-H3 is prepared in a three step procedure by Sonogashira–Hagihara coupling of (2,3-dimethoxyphenyl)acetylene (1) and 7-bromo-8-methoxyquinoline (2), followed by reduction of the alkyne and final ether cleavage. The unsymmetric type II triple-stranded dinuclear helicate M3[Ga2(7)3] (M=Na, K) is obtained with gallium(III) ions in the presence of potassium or sodium carbonate.Keywords
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