Ground-state chemistry:
A (S0)Nu E
HOMO
LUMO
A
1. Redox reactivity
(POOR)
2. Exchange
interaction
(Weak and
Forbidden)
3. Nucleophilic
interaction
(o.k.)
4. Electrophilic
interaction
(o.k.)
e-
e-
continuum / electrodes
Excited-state chemistry (singlets):
A* (S1)
1. Redox reactivity
(MUCH HIGHER)
2. Fluorescence
3. Energy transfer
e-
e-
continuum / electrodes
hF
A´ (S0)
FRET
Excited-state chemistry (triplets):
A* (T1)Nu E
HOMO
LUMO
A
1. Redox reactivity
(MUCH HIGHER)
2. Exchange
interaction
(Attractive and
allowed)
3. Nucleophilic
interaction
(Nu = Donor)
4. Electrophilic
interaction
(E = Acc)
e-
e-
continuum / electrodes
Reactions:
A* (T1)Nu E
HOMO
LUMO
A
1. PET
2. Photo:
- cycloaddition
- group abstraction
- cyclization
- rearrangement
3. Photo-
oxidation (PET)
4. Photoreduction
(PET)
e-
e-
continuum / electrodes
First published on the web: 29 May 2008Photochemistry of allyloxybenzophenones: a pseudo-Paternò–Büchi rearrangement accompanied by hydrogen transfer induced 1,5-cyclization
Raúl Pérez-Ruiz, Olga Hinze, Jörg-M. Neudörfl, Dirk Blunk, Helmut Görner and Axel G. Griesbeck, Photochem. Photobiol. Sci., 2008DOI: 10.1039/b807889k