Synthesis of macrocyclic oxo-crown ethers from αω-bis-diazo-ketones and polyethylene glycols
- 1 January 1981
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 12,p. 616-617
- https://doi.org/10.1039/c39810000616
Abstract
Derivatives of macrocyclic crown ethers in which two ethereal oxygen atoms have been replaced by carbonyl groups have been synthesised by the bis-(acetylacetonato) copper-catalysed cyclisation of αω-bis-diazo-ketones with polyethylene glycols; three such oxo-crown ethers complex with potassium ion in chloroform.Keywords
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