Redox-induced cis → trans isomerisation of bis(porphyrinyl)ethenes: A possible basis for a molecular memory element?

Chemistry Letters

Volumn , Issue 6, 1996, Pages 485-486

  Arnold, Dennis P ^a   Borovkov, Victor V ^b   Ponomarev, Gelii V ^c  

^a QUEENSLAND UNIVERSITY OF TECHNOLOGY   (Australia)

^b RESEARCH INSTITUTE OF INNOVATIVE TECHNOLOGY FOR THE EARTH   (Japan)

^c INSTITUTE OF BIOMEDICAL CHEMISTRY   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0030514788     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.1996.485     Document Type: Article

References (22)

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13. 3) +1.4; ΔE 1.49.
14. 21.15
15. H. Higuchi, K. Shimizu, J. Ojima, K. Sugiura, and Y. Sakata, Tetrahedron Lett., 36, 5359 (1995).
16. 8,9 The substituent effect of a meso-vinyl substituent in the monomer is small, i.e. meio-vinylNiOEP: E(red) -1.27 (irrev.); E(ox) +0.86; ΔE 2.13; NiOEP: E(red) -1.30 (irrev.); E(ox) +0.90; ΔE 2.20.
17. V. Chirvony, V. Galievsky, A. Shul'ga, M. Chachishvilis, and V. Sundström, Lith. Phys. J., 34, 87 (1994).
18. 10 This was confirmed in the present work.
19. 20 An alternative suggestion from Chirvony and Gurinovich assigns the additional bands to a particular conformational isomer about the meso-C-CH=CH-meso-C unit.21
20. For example, see O. Bilsel, J. Rodriguez, S. N. Milam, P. A. Gorlin, G. S. Girolami, K. S. Suslick, and D. Hollen, J. Am. Chem. Soc., 114, 6528 (1992).
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22. 12 These processes are much less facile than the electrochemical isomerisation.