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Photoreduction of fluorenone by amines. Effects of medium on intersystem crossing

✍ Scribed by Joseph B. Guttenplan; Saul G. Cohen

Publisher
Elsevier Science
Year
1969
Tongue
French
Weight
209 KB
Volume
10
Category
Article
ISSN
0040-4039

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πŸ“œ SIMILAR VOLUMES

Photoreduction of fluorenone by amines.
Photoreduction of fluorenone by amines. Medium effects.
✍ Saul G. Cohen; Joseph B. Guttenplan πŸ“‚ Article πŸ“… 1968 πŸ› Elsevier Science 🌐 French βš– 173 KB

We have reported that aliphatic amines are efficient photoreducing agents for aromatic ketones (l-4) which have low-lying n,rrY triplet states. ( ) We have also found that p-aminobenzophenone, PAB, which is not photoreduced by 2-propanol because of a low-lying chemically unreactive 'rr,rrW or charge

Photoreduction of aminobenzophenones. Ef
Photoreduction of aminobenzophenones. Effects of solvent on intersystem crossing.
✍ Saul G. Cohen; Martin D. Saltzman; Joseph B. Guttenplan πŸ“‚ Article πŸ“… 1969 πŸ› Elsevier Science 🌐 French βš– 188 KB

p-Aminobenzophenone, PAB, is photoreduced very inefficiently, or not at all, by alcohols (1,2) and primary amines, (2) while it is photoreduced by triethylamine. (2) The efficiency increases when the amine is diluted