Synthsis and properties of Oligo-para-phenylene substituted porphyrins

Chemistry Letters

Volumn , Issue 8, 1997, Pages 833-834

  Mikami, Shinji ^a   Sugiura, Ken Ichi ^a   Sakata, Yoshiteru ^a  

^a OSAKA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0003031463     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.1997.833     Document Type: Article

References (15)

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3. CPK model considerations indicate that the sizes of 1d are 41.8 Å in The size of other porphyrins are 33.1 X 23.7 Å for 1c, 24.4 X 17.4 Å for 1b, and 15.6 X 11.2 Å for 1a.
4. meso-Tetrakis(4-biphenylyl)porphyrin was reported in 1982; K. Yamashita, N. Kihara, H. Shimidzu, and H. Suzuki, Photochem. Photobiol., 35, 1 (1982).
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7. T. A. Jung, R. R. Schlittler, and J. K. Gimzewski, Nature, 386, 696 (1997).
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11. J. S. Lindsey, I. C. Schreiman, H. C. Hsu, P. C. Kearney, and A. M. Marguerettaz, J. Org. Chem., 52, 827 (1987).
12. 2, 270 MHz, 127±1°C, δ); 1a: 8.80 (s, 8H), 8.04 (d, 8H, J = 1.65 Hz), 7.78 (t, 4H, J = 1.65 Hz), 1.52 (s, 72H), and -2.50 (bs, 2H) ppm; 1b: 8.92 (s, 8H), 8.27 (d, 8H, J = 8.24 Hz), 8.00 (d, 8H, J = 8.24 Hz), 7.74 (d, 8H, J = 1.65 Hz), 7.52 (t, 4H, J = 1.65 Hz), 1.49 (s, 72H), -2.47 (bs, 2H) ppm; 1c: 8.94 (s, 8H), 8.31 (d, 8H, J = 8.24 Hz), 8.04 (d, 8H, J = 8.24 Hz), 7.98 (d, 8H, J = 8.24 Hz), 7.81 (d, 8H, J = 8.24 Hz), 7.53 (d, 8H, J = 1.65 Hz), 7,46 (t, 4H, J = 1.65 Hz), and 1.43 (s, 72H), and -2.46 (bs, 2H) ppm; 1d: 8.95 (s, 8H), 8.32 (d, 8H, J = 8.24 Hz), 8.06 (d, 8H, J = 8.24 Hz), 8.02 (d, 8H, J = 8.24 Hz), 7.86 (d, 8H, J = 8.24 Hz), 7.79 (d, 8H, J = 8.24 Hz), 7.72 (d, 8H, J = 8.24 Hz), 7.48 (d, 8H, J = 1.65 Hz), 7.44 (t, 4H, J = 1.65 Hz), and 1.41 (s, 72H) ppm.
13. H. H. Jaffé and M. Orchin In "Theory and Applications of Ultraviolet Spectroscopy"; John Wiley & Sons, Inc. (1962); p 273. The band at 251.5 nm (log ε 4.26) is for biphenyl, 280 nm (log ε 4.40) is for terphenyl, and 300 nm (log ε 4.51) is for quaterphenyl.
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