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Volumn 69, Issue 18, 2004, Pages 6115-6120

Enhanced thermodynamic and kinetic stability of calix[4]arene dimers locked in the cone conformation

Author keywords

[No Author keywords available]

Indexed keywords

DIETHYLENEGLYCOLS; KINETIC STABILITY;

EID: 4344596538     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo049128f     Document Type: Article
Times cited : (36)

References (30)
  • 11
    • 4344559885 scopus 로고    scopus 로고
    • note
    • There is also an influence of the ether residues, which is not yet entirely explored.
  • 19
    • 4344562488 scopus 로고    scopus 로고
    • note
    • Compound 1 is prepared according to the procedure in ref 10. We found that prewashing the NaH was crucial for successful alkylation.
  • 20
    • 4344706758 scopus 로고    scopus 로고
    • note
    • Obviously the rigidified calix[4]arene skeleton causes steric problems, since a tert-butyl-trityl-substituted tetra urea could not be obtained reproducibly.
  • 25
    • 4344609785 scopus 로고    scopus 로고
    • note
    • More detailed studies of the heterodimerization between 2a and 3a and the corresponding tetratosyl-ureas are presented in a forthcoming article.
  • 27
    • 4344562489 scopus 로고    scopus 로고
    • note
    • -1) is comparable to the rate of the dissociation/ recombination; see ref 2c.
  • 28
    • 4344657412 scopus 로고    scopus 로고
    • note
    • 6 (even after 15 h at 60 °C) may be explained in a similar way by kinetic problems.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.