A. C. Benniston et al. / Tetrahedron Letters 45 (2004) 7883–7885
7885
(1893.2) (MꢀPF6)+; 874.1 (874.1) (Mꢀ2PF6)2+. Elemental
analysis calcd (found) for C86H54N12Ru2P4F24ÆH2O: C,
50.25 (50.02); H, 2.75 (2.76); N, 8.18 (8.15).
at Swansea for running the electrospray and MALDI
mass spectra. Discussions with Prof. A. Harriman are
greatly appreciated.
10. Balzani, V.; Juris, A.; Venturi, M.; Campagna, S.; Serroni,
S. Chem. Rev. 1996, 96, 759–834.
11. Analytical data: 1H NMR ((CD3CN, 500MHz) d = 7.22
(m, 8H, CHterp), 7.43 (2 · d, 8H, J = 5.5Hz, CHterp), 7.99
(m, 12H, 8 · CHterp, 4 · CHnap), 8.11 (q, 4H, J = 6.1Hz,
CHnap), 8.47 (t, 2H, J = 8.2Hz, CHterp), 8.53 (d, 4H,
J = 8.2Hz, CHterp), 8.60(m, 6H, 4 · CHterp, 2 · CHnap),
8.80(d, 4H, J = 8.2Hz, CHterp), 8.85 (m, 2H, CHnap), 9.06
(s, 4H, CHterp). ES-MS m/z calcd (found) for
C88H54N12Ru2P3F18 1917.2 (1917.0) (MꢀPF6)+; 886.1
(886.0) (Mꢀ2PF6)2+. Elemental analysis calcd (found)
for C88H54N12Ru2P4F24: C, 51.27 (51.51); H, 2.64 (3.02);
N, 8.15 (8.01).
References and notes
1. Weiss, E. A.; Ahrens, M. J.; Sinks, L. E.; Gusev, A. V.;
Ratner, M. A.; Wasielewski, M. R. J. Am. Chem. Soc.
2004, 126, 5577–5584.
2. Sauvage, J.-P.; Collin, J.-P.; Chambron, J.-C.; Guillerez,
S.; Coudret, C.; Balzani, V.; Barigelletti, F.; De Cola, L.;
Flamigni, L. Chem. Rev. 1994, 94, 993–1019.
3. Benniston, A. C.; Harriman, A.; Li, P.; Sams, C. Tetra-
hedron Lett. 2003, 44, 4167–4169.
4. Benniston, A. C.; Harriman, A.; Li, P.; Sams, C. Chem.
Phys. Phys. Chem. 2004, 875–877.
5. El-ghayoury, A.; Harriman, A.; Ziessel, R. J. Phys. Chem.
A 2000, 104, 7906–7915.
12. Kabalka, G. W.; Wang, L.; Namboodiri, V.; Pagni, R. M.
Tetrahedron Lett. 2000, 41, 5151–5154.
13. Analytical data: 1H NMR ((CD3CN, 500MHz) d = 7.18
(m, 8H, CHterp), 7.36 (d, 4H, J = 5.9Hz, CHterp), 7.41 (d,
6. Tzalis, D.; Tor, Y. Chem. Commun. 1996, 1043–1044.
7. Sonogashira, K.; Tohda, Y.; Hagihara, N. Tetrahedron
Lett. 1975, 50, 4467–4470.
4H, J = 5.9Hz, CHterp), 7.95 (m, 16H, 8 · CHterp
,
4 · CHnap), 8.12 (d, 8H, J = 8.3Hz, CHnap), 8.43 (t, 2H,
J = 8.2Hz, CHterp), 8.49 (d, 4H, J = 8.1Hz, CHterp), 8.58
8. Pan, Y.; Peng, Z. Tetrahedron Lett. 2000, 41, 4537–4540.
9. Analytical data: 1H NMR (CD3CN, 500MHz) d = 7.19
(m, 8H, CHterp), 7.38 (d, 4H, J = 4.9Hz, CHterp), 7.42 (d,
(d, 4H, J = 8.5Hz, CHterp), 8.76 (m, 12H, 4 · CHterp
,
8 · CHnap), 9.04 (s, 4H, CHterp). MALDI-MS m/z calcd
(found) for
C110H66N12Ru2P3F18 2193.3 (2193.3)
4H, J = 4.9Hz, CHterp), 7.96 (m, 12H, 8 · CHterp
,
(MꢀPF6)+.
4 · CHnap), 8.16 (q, 4H, J = 6.7Hz, CHnap), 8.44 (t, 2H,
J = 8.2Hz, CHterp), 8.50(d, 4H, J = 8.3Hz, CHterp), 8.59
14. Benniston, A. C.; Grosshenny, V.; Harriman, A.; Ziessel,
R. Angew. Chem., Int. Ed. Engl. 1994, 33, 1884–
1885.
(d, 4H, J = 8.0Hz, CHterp), 8.77 (m, 6H, 4 · CHterp
,
2 · CHnap), 8.84 (m, 2H, CHnap), 9.04 (s, 4H, CHterp). ES-
MS m/z calcd (found) for C86H54N12Ru2P3F18 1893.2
15. Treadway, J. A.; Strouse, G. F.; Ruminski, R. R.; Meyer,
T. J. Inorg. Chem. 2001, 40, 4508–4509.