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Volumn 24, Issue 26, 2005, Pages 6382-6392

Photochromic behavior and diastereomeric isomerism in [(n 6-spirobenzopyran)RuCp*]PF6

Author keywords

[No Author keywords available]

Indexed keywords

COMPLEXATION; IRRADIATION; ISOMERIZATION; PHOTOCHROMISM; ULTRAVIOLET RADIATION;

EID: 30344474595     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om0506771     Document Type: Article
Times cited : (18)

References (46)
  • 3
    • 0000527186 scopus 로고    scopus 로고
    • Photochromism: Memories and switches-introduction
    • The special thematic issue of Chem. Rev. for "Photochromism: Memories and Switches-Introduction": Chem. Rev. 2000, 100, 1683-1890.
    • (2000) Chem. Rev. , vol.100 , pp. 1683-1890
  • 4
    • 0010167793 scopus 로고
    • Photochemical properties of spirobenzopyrans with a chelating moiety (e.g. a crown ether tether) have been studied to a considerable extent: Atabekyan, L. S.; Chibisov, A. K. J. Photochem. 1986, 34, 323.
    • (1986) J. Photochem. , vol.34 , pp. 323
    • Atabekyan, L.S.1    Chibisov, A.K.2
  • 18
    • 0042990992 scopus 로고    scopus 로고
    • 6-SP-X complex. Formation of the A ring adducts, their photochromism (half-life of the colored species ≤ 10 min), and diastereoisomerism including exclusive formation of one of the two diastereomers upon UV irradiation were reported: Miyashita, A.; Iwamoto, A.; Kuwayama, T.; Shitara, H.; Aoki, Y.; Hirano, M.; Nohira, H. Chem. Lett. 1997, 965.
    • (1997) Chem. Lett. , pp. 965
    • Miyashita, A.1    Iwamoto, A.2    Kuwayama, T.3    Shitara, H.4    Aoki, Y.5    Hirano, M.6    Nohira, H.7
  • 27
    • 30344451583 scopus 로고    scopus 로고
    • note
    • 1H NMR spectra. The LH NMR suggested formation of a mixture of isomers, which could not be separated.
  • 31
    • 30344438442 scopus 로고    scopus 로고
    • note
    • -1, current R1 = 0.1160 for 1016 reflections with I > 2σ(I), wR2 = 0.3008 for all observed 2887 reflections with 174 parameters (isotropic refinements for all non-hydrogen atoms; H atoms not included in the refinement).
  • 32
    • 30344439405 scopus 로고    scopus 로고
    • note
    • -1, current R1 = 0.104 for 3213 reflections with I > 2σ(I), wR2′= 0.303 for all observed 3620 reflections with 240 parameters.
  • 33
    • 30344449365 scopus 로고    scopus 로고
    • The open forms of free SP-X molecules were also characterized by X-ray crystallography.7
    • The open forms of free SP-X molecules were also characterized by X-ray crystallography.7
  • 37
    • 30344475107 scopus 로고    scopus 로고
    • The open form S was not converted to the closed form 4 under thermal reaction conditions but upon UV irradiation (see below)
    • The open form S was not converted to the closed form 4 under thermal reaction conditions but upon UV irradiation (see below).
  • 38
    • 30344435181 scopus 로고    scopus 로고
    • note
    • 1/2 = 0.28 V)) attributed to the open form 5/5′c. Switching of the electrochemical properties is evident from the charts, but the assignments of the redox processes of 4c and 5/5′c could not be made


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.