(4+2)-cycloaddition of nitroalkenes with ynamines; formation of a 4H-1,2-oxazine 2-oxide derivative

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Pennings, M.L.M. and Reinhoudt, D.N. (1980) (4+2)-cycloaddition of nitroalkenes with ynamines; formation of a 4H-1,2-oxazine 2-oxide derivative. Tetrahedron Letters, 21 (18). pp. 1781-1784. ISSN 0040-4039

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Abstract:The formation of a thermally unstable (4+2)-cycloadduct, a 4H-1,2-oxazine 2-oxide derivative ( ), from the reaction of 1-nitrocyclopentene with 1-phenyl-2-(1-pyrrolidinyl)acetylene has been proven by the structure elucidation of isoxazole derivative which results from thermal rearrangement and by the structure determination of the 1,3-dipolar adducts of with electron-deficient acetylenes.
Item Type:Article
Copyright:© 1980 Elsevier Science
Link to this item:http://purl.utwente.nl/publications/68504
Official URL:http://dx.doi.org/10.1016/S0040-4039(00)77837-3
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