Methoxypyrimidines preferentially add to benzonitrile oxide to give cycloadducts to their C=N double bonds. These, however, lose benzonitrile affording the corresponding pyrimidones. Cycloadditions to their C=C double bonds take place to a very low extent, and products generally undergo a ring opening process which affords the corresponding oximes. Pyrimidones preferentially give addition products to their nitrogen atoms, and only in the case of 4-pyrimidone, the cycloadduct to its C=C double bond was isolated.
Titolo: | Reactions of benzonitrile oxide with methoxypyrimidines and pyrimidones |
Autori interni: | |
Data di pubblicazione: | 2005 |
Rivista: | |
Handle: | http://hdl.handle.net/20.500.11769/7633 |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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