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Volumn 6, Issue 1, 2000, Pages 73-80

Dimeric capsules by the self-assembly of triureidocalix[6]arenes through hydrogen bonds

Author keywords

Calixarenes; Host guest chemistry; Hydrogen bonds; Inclusion compounds; Self assembly

Indexed keywords

CALIXARENE;

EID: 85078686833     PISSN: 09476539     EISSN: None     Source Type: Journal    
DOI: 10.1002/(sici)1521-3765(20000103)6:1<73::aid-chem73>3.0.co;2-%23     Document Type: Article
Times cited : (50)

References (39)
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    • For a larger cavity based on resorcinarenes containing imido groups see: a) T. Heinz, D. M. Rudkevich, J. Rebek, Jr., Nature 1998, 394, 764-766;
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    • note
    • 3.
  • 31
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    • The tailing of the peak is due to the slow dissociation of the dimer on the column. See: M. Mammen, E. E. Simanek, G. M. Whitesides, J. Am. Chem. Soc, 1996, 118, 12614-12623.
    • (1996) J. Am. Chem. Soc , vol.118 , pp. 12614-12623
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    • The simultaneous observation of monomer and dimer has been reported previously in resorcinarene based capsules. See, for example: a) S. Ma, D. M. Rudkevich, J. Rebek, Jr., J. Am. Chem. Soc. 1998, 120, 4977-4981.
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    • note
    • 4]methanol at -50°C showed a mixture of dimer 1a-1a and monomer 1a; the monomer was the most abundant species.
  • 35
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    • note
    • For the conformational control in a tetramethoxy calix[4]arene through self-assembly see ref. [3c].
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    • note
    • This 2:1 stoicheometry was further assessed by examination of encapsulated benzene in a mixture of equimolar amounts of 1a-1a and 5,11,17,23 tetrakis-(N′-octylureyl)-25,26,27,28-tetrapropoxycalix[4]arene dimer (tetraureido calix[4]arene dimers encapsulate a single benzene molecule, see ref. [3b]). Identical integrals were observed for encapsulated benzene signals about δ=6.0 and 4.2.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.