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Synthesis and cation-binding abilities of novel polyquinane crown ethers containing a bis-acetal ether functionality

✍ Scribed by Goverdhan Mehta; Kasibhatla Srinivas Rao; Nacharaju Krishnamurthy; V. Srinivas; D. Balasubramanian


Book ID
108371523
Publisher
Elsevier Science
Year
1989
Tongue
French
Weight
434 KB
Volume
45
Category
Article
ISSN
0040-4020

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Synthesis and alkali cation extraction a
✍ Alajos GrΓΌn; Viktor Csokai; Gyula Parlagh; IstvΓ‘n Bitter πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 French βš– 181 KB

The first representatives of 1,3-alt-thiacalix[4]arene bis(crown-5 and -6) ethers were synthesized by the cyclocondensation of thiacalix[4]arenes with tetraethylene glycol ditosylate and 1,14-diiodo-3,6,9,12-tetraoxatetradecane, respectively. The complexing abilities of ligands were determined by al