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Volumn , Issue 12, 2009, Pages 1887-1904

Dimerization and self-sorting of tetraurea calix[4]arenes

Author keywords

Calixarenes; Dendrimers; Dimerizations; Metathesis; Self assembly

Indexed keywords

ACETAMIDE DERIVATIVE; CALIXARENE; DIMER; TETRAMER; TRIPHENYLMETHANE DERIVATIVE; UREA DERIVATIVE;

EID: 67651252082     PISSN: 09365214     EISSN: 14372096     Source Type: Journal    
DOI: 10.1055/s-0029-1217513     Document Type: Review
Times cited : (15)

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    • In the case of tetramethyl ethers, which usually prefer the partial cone conformation, the calix[4]arenes are also prearranged into the cone conformation.
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    • For the bis-loop derivative I, a similar compound with a bulky residue is possible, and for the mono-loop derivative G, two additional compounds with slim residues are possible. However, this would not enlarge the sorting possibilities.
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    • From n objects, the first can form n different dimers, including its homodimer. The second one can form n, 1 dimers additionally, the dimer with the first object already being counted. The third one can form n, 2, and so on, and for the last one only its homodimer remains as a possibility. Thus, the number of dimers is given by: S, n, n, 1, n, 2, 2, 1. When the first and the last term are added, as well as the second and the penultimate, and so on, this can be rearranged to: S, n, 1, n, 1, 2, n, 2, 3, 0.5·n·n, 1
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    • It is not even necessary that all eleven tetraureas are present in the same quantity; only the pairs K/A, J/B, I/C, H/D, and G/E must be present in stoichiometric amounts.
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    • In principle, the synthetic sequence allows also the introduction of two different alkyl ether residues Y if the respective ethers of the benzaldehyde 30 or phenol 31 are used.
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    • S symmetry.
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    • From two regioisomeric dimers, only the distal arrangement is formed.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.