Polyhalogenoaromatic compounds. Part XII. Synthesis and cycloaddition reactions of pentafluoro- and pentachloro-benzonitrile N-oxide
- 1 January 1970
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic
- No. 9,p. 1165-1168
- https://doi.org/10.1039/j39700001165
Abstract
Pentafluoro- and pentachloro-benzonitrile N-oxide were prepared from the corresponding pentahalogenobenzaldehyde oximes. The fluoro-compound dimerised to 3,4-bis(pentafluorophenyl)furoxan, whereas the chlorocompound was stable. Both the nitrile oxides readily underwent cycloadditions with styrene and phenylacetylene, to give the appropriate 3-pentahalogenophenyl-5-phenyl-isoxazolines and -isoxazoles.Keywords
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