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Heterocycles from nitrile oxides. II . 1,2,4-oxadiazin-6-ones

✍ Scribed by Ahmad Q. Hussein; Mustafa M. El-Abadelah; Wail S. Sabri

Book ID
112127417
Publisher
Journal of Heterocyclic Chemistry
Year
1984
Tongue
English
Weight
290 KB
Volume
21
Category
Article
ISSN
0022-152X

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The reaction of 3-ethoxycarbonyl-5-perfluoroalkyl-1,2,4-oxadiazoles with hydroxylamines has been investigated, evidencing the possibility of competitive reaction paths. Nucleophilic addition of hydroxylamine to the electrophilic C(5) of the 1,2,4-oxadiazole ring, followed by ring-opening and ring-cl