Abstract
HOMO–LUMO transitions observed in chiral donor–acceptor spiro compounds 1 and 2 are of the n–π* type, based on the high dissymmetry factor Δϵ/ϵ ≅ 10–2 determined from their CD and absorption spectra.
References
1.
Gleiter R., Hoffmann H., Irngartinger H., Nixdorf M.
Chemische Berichte,
1994
2.
Maslak P., Chopra A.
Journal of the American Chemical Society,
1993
3.
Maslak P., Chopra A., Moylan C.R., Wortmann R., Lebus S., Rheingold A.L., Yap G.P.
Journal of the American Chemical Society,
1996