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PHOTOCYCLOADDITIONS TO A PYRONE ANALOG
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UNSPECIFIED. (1991) PHOTOCYCLOADDITIONS TO A PYRONE ANALOG. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 58 (3). pp. 307-314. ISSN 1010-6030
Full text not available from this repository.Abstract
Irradiation of the dicyanomethylenepyran 1 in methanol gave two dimers, 5 and 6. In the presence of ethyl vinyl ether and acrylonitrile, the major photoproducts were 9 and 12 respectively. All these results are explained by initial [2 + 2] cycloaddition to the exocyclic double bond of 1 to give cyclobutane intermediates, which undergo ring opening to highly stabilized zwitterions, followed by further reactions.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QD Chemistry |
| Journal or Publication Title: | JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY |
| Publisher: | ELSEVIER SCIENCE SA LAUSANNE |
| ISSN: | 1010-6030 |
| Date: | 10 June 1991 |
| Volume: | 58 |
| Number: | 3 |
| Number of Pages: | 8 |
| Page Range: | pp. 307-314 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/22652 |
Data sourced from Thomson Reuters' Web of Knowledge
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