Photochemical formation of oxetanes derived from aromatic ketones and substituted thiophenes and selenophenes
The photochemical formation of oxetanes from different heterocycles have been investigated for many years in this laboratory. Thus far, only correlation between quenching effect of the heterocycles and capability of forming oxetanes have been established but no attempts have been made to elucidate f...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2000-01-01
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| Series: | International Journal of Photoenergy |
| Online Access: | http://dx.doi.org/10.1155/S1110662X00000131 |
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| Summary: | The photochemical formation of oxetanes from different heterocycles have been investigated
for many years in this laboratory. Thus far, only correlation between quenching effect of the heterocycles
and capability of forming oxetanes have been established but no attempts have been made to elucidate from
these data the different mechanistic pathways that lead from starting materials to product in various cases.
In the light of kinetic as well as ionization potential information an attempt is made in this review to establish
the mechanisms involved in these reactions. By means of the studies of the Stern-Volmer plots, the
quenching constants of the reaction of Paternò-Büchi between substituted thiophene and selenophene with
aromatic ketones and their relationship with the potentials of ionization of these heterocycles we can infer
in the efficient synthesis of oxetanes. |
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| ISSN: | 1110-662X |