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Volumn 127, Issue 7, 2005, Pages 2201-2210

Coordination assembled rings of ferrocene-bridged trisporphyrin with flexible hinge-like motion: Selective dimer ring formation, its transformation to larger rings, and vice versa

Author keywords

[No Author keywords available]

Indexed keywords

ALDEHYDES; DIMERS; GEL PERMEATION CHROMATOGRAPHY; METHANE; METHANOL; SELF ASSEMBLY; SOLVENTS;

EID: 13944272205     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja0445746     Document Type: Article
Times cited : (137)

References (55)
  • 25
    • 0038682728 scopus 로고    scopus 로고
    • For recent research on the self-assembled macrocycles with tunable cavity, see: (a) Jiang, H.; Lin, W. J. Am. Chem. Soc. 2003, 125, 8084-8085.
    • (2003) J. Am. Chem. Soc. , vol.125 , pp. 8084-8085
    • Jiang, H.1    Lin, W.2
  • 38
    • 13944264420 scopus 로고    scopus 로고
    • note
    • -3, for 2 and 5, respectively), and almost no fluorescence was observed after zinc(II) insertion, indicating efficient reductive quenching of adjacent ferrocene moiety.
  • 39
    • 13944264052 scopus 로고    scopus 로고
    • note
    • GPC measurement of 7 was carried out by changing the concentration in the range 0.1 mM to 3.1 μM ([2(Zn)]). No appreciable difference in the peak position and the shape was observed, indicating that the intermolecular interaction can be negligible in the concentration range examined.
  • 40
    • 13944249638 scopus 로고    scopus 로고
    • note
    • 3protons of 5(Zn) are also shifted to higher field caused by slipped cofacial dimer formation and appeared at 5.48 and 1.72 ppm, respectively (Figure 5b).
  • 47
    • 0037196288 scopus 로고    scopus 로고
    • Kinetics of end-to-end collisions in a short peptide with a fluorophore and a quencher at each end has been examined by Nau et al. They observed significant intramolecular quenching in the case of flexible connector caused by frequent collision in comparison to that of ridged connector. See: Hudgins, R. R.; Huang, F.; Gramlich, G.; Nau, W. M. J. Am. Chem. Soc. 2002, 12, 556-564.
    • (2002) J. Am. Chem. Soc. , vol.12 , pp. 556-564
    • Hudgins, R.R.1    Huang, F.2    Gramlich, G.3    Nau, W.M.4
  • 49
    • 13944278552 scopus 로고    scopus 로고
    • note
    • Methanol weakly competes with the imidazolyl group for the coordination to the zinc(II) and thus accelerates the exchanging of the partner in the complementary coordination.
  • 50
    • 13944276841 scopus 로고    scopus 로고
    • note
    • 3 protons at 3.3 ppm and the presence of β-pyrrole protons at around 5.4 ppm strongly suggest that all of the imidazolylporphyrinatozinc(II) in trisporphyrin formed a complementary dimer and the absence of noncyclic structure in the mixture of larger rings.
  • 51
    • 13944251460 scopus 로고    scopus 로고
    • note
    • (10-mer) instead of the average size of rings by using the molecular model (Figure S9).
  • 55
    • 1042299914 scopus 로고    scopus 로고
    • Fujitsu Ltd.: Tokyo, Japan
    • Stewart, J. J. P. MOPAC 2002; Fujitsu Ltd.: Tokyo, Japan, 2001.
    • (2001) MOPAC 2002
    • Stewart, J.J.P.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.