N-(Aminoalkyl)-9-phenanthrenecarboxamides
J. Phys. Chem., Vol. 100, No. 10, 1996 4063
(16) de Silva, A. P.; Gunaratne, H. Q. N.; Habib-Jiwan, J.-L.; McCoy,
C. P.; Rice, T. E.; Soumillion, J.-P. Angew. Chem., Int. Ed. Engl. 1995, 34,
1728.
(17) INDO/S calculations indicate that the LUMO of 14 has delocalized
enonecharacter but that the carbonyl π-orbial coefficients for the other
frontier orbitals of 1, 4, and 14 are insignificant.6
(18) For the use of piperidines as semirigid spacers see the following.
Schuddeboom, W.; Scherer, T.; Warman, J. M.; Verhoeven, J. W. J. Phys.
Chem. 1993, 97, 13092.
for the subnanosecond lifetime measurements, A. M. Miller for
some of the steady state absorption and fluorescence data, and
B. A. Yoon for some of the NMR spectral data.
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