Synthesis, conformational studies and inclusion properties of N-substituted tetrahomodiazacalix[4]arenes
- Authors
- No, Kwanghyun; Kim, Jong Seung; Kim, Seyoung; Quang, Duong Tuan; Hwang, In-Chul; Vicens, Jacques
- Issue Date
- Aug-2007
- Publisher
- SPRINGER
- Keywords
- supramolecular chemistry; tetrahomodiazacalix[4]arenes; cation complexation
- Citation
- JOURNAL OF INCLUSION PHENOMENA AND MACROCYCLIC CHEMISTRY, v.58, no.3-4, pp 353 - 360
- Pages
- 8
- Journal Title
- JOURNAL OF INCLUSION PHENOMENA AND MACROCYCLIC CHEMISTRY
- Volume
- 58
- Number
- 3-4
- Start Page
- 353
- End Page
- 360
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/14656
- DOI
- 10.1007/s10847-006-9282-z
- ISSN
- 1388-3127
1573-1111
- Abstract
- A series of tetrahomodiazacalix[4]arenes (1-8) with different substituents (or substituted) at the upper rim and/or N-side arm has been synthesized with acceptable yields. The compounds were characterized by elemental analysis,IR, MS and NMR methods. In particular, 5 was shown by X-ray crystallography to adopt the cone conformation in the solid state. Two-phase picrate extraction showed that 2 and 6, bearing N-2-picolyl arms, are the best extractants. Of the cations tested, Ag(I) is the best extracted by almost all ligands and the extraction efficiency follows the order 2-picolyl > 3-picolyl > 4-picolyl.
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