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5. Ziessel, R. In Photosensitization and Photocatalysis Using
(d, 2H, J=1.42 Hz), 3.06 (s, 1H), 0.23 (s, 18H); 13C
Inorganic and Organometallic Compounds; Kalyanasun-
daram, K.; Gra¨tzel, M., Eds.; Kluwer Academic:
Dordecht, 1993; p. 217.
NMR: 135.3, 135.0, 123.7, 122.6, 102.9, 95.5, 81.8, 78.2,
−0.19. Compound 9: H NMR: 7.57 (d, 2H, J=1.6 Hz),
1
7.54 (t, 1H, J=1.6 Hz), 7.48 (d, 2H, J=8.5 Hz), 7.45 (d,
2H, J=8.5 Hz), 3.19 (s, 1H), 0.26 (s, 18H); 13C NMR:
135.0, 134.5, 132.1, 131.4, 123.7, 123.4, 123.1, 122.2,
103.1, 95.76, 89.9, 89.6, 83.1, 79.1, −0.17. Compound 12:
1H NMR: 7.61 (d, 4H, J=1.6 Hz), 7.56 (t, 2H, J=1.6
Hz), 7.50 (br s, 4H); 3.12 (s, 4H); 13C NMR: 135.2, 135.1,
131.6, 123.7, 122.9, 122.8, 90.0, 89.4, 81.7, 78.6. Com-
pound 13: 1H NMR: 7.49–7.62 (m, 17H); 3.12 (s, 4H);
13C NMR: 134.9, 134.5, 131.6, 123.7, 123.4, 123.1, 123.0,
6. O’Regan, B.; Gra¨tzel, M. Nature 1991, 353, 737.
7. Reynolds, J. R. J. Mol. Electron. 1986, 2, 1.
8. Grubbs, R. H.; Gorman, C. B.; Ginsburg, E. J.; Perry, J.
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Chemical Perspectives; Marder, S. R.; Sohn, J. E.;
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9. Barker, J. R. In Molecular Electronics; Petty, M. C.;
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1995; p. 345.
1
122.7, 91.0, 91.1, 90.0, 89.6, 81.7, 78.6. Compound 15: H
NMR: 7.6 (d, 4H, J=1.6 Hz), 7.54 (t, 2H, J=1.6 Hz),
7.51 (d, 4H, J=8.89), 7.47 (d, 4H, J=8.89,), 3.12 (s, 4H);
13C NMR: 135.2, 135.1, 131.6, 123.7, 123.2, 122.9, 122.6,
91.0, 90.0, 89.2, 81.7, 78.6. Compound 18: 1H NMR: 8.41
(d, 2H, J=8.61 Hz), 7.78 (d, 2H, J=6.45 Hz), 7.7 (d, 4H,
J=1.6), 7.56–7.61 (m, 4H), 3.14 (s, 4H); 13C NMR:
135.2, 135.1, 133.0, 131.3, 127.3, 126.3, 123.8, 123.7,
120.7, 93.0, 88.0, 81.7, 78.7. Compound 19: 1H NMR:
8.45 (d, 2H, J=8.49 Hz), 7.83 (d, 2H, J=6.47 Hz),
7.51–7.64 (m, 16H), 3.14 (s, 4H); 13C NMR: 134.9, 134.5,
133.0, 131.69, 131.63, 131.113, 127.2, 126.2, 123.8, 123.8,
123.5, 123.3, 122.8, 121.1, 94.3, 90.0, 89.6, 89.3, 81.7,
78.7.
10. Anderson, S. Chem Eur. J. 2001, 7, 4706–4714.
11. Deb, S. K.; Maddux, T. M.; Yu, L. J. Am. Chem. Soc.
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12. Gibtner, T.; Hampel, F.; Gisselbrecht, J.-P; Hirsch, A.
Chem. Eur. J. 2002, 8, 409–432.
13. Rodriguez, J. G.; Tejedor, J. L. J. Org. Chem. 2002, 67,
7631.
14. All the new compounds give satisfactory elemental analy-
ses. Selected spectral data of the new terminal acetylene
compounds (1H and 13C NMR were recorded in CDCl3
at 300 and 75 MHz, respectively, in l ppm) are given.
Compound 6: 1H NMR: 7.53 (t, 1H, J=1.42 Hz), 7.50