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Cyclocondensation Reaction of Mesoionic 4-Trifluoroacetyl-1,3-oxazolium-5-olates with Hydroxylamine affording 6-Trifluoromethyl-5,6-dihydro-4H-1,2,4-oxadiazin-6-ols

✍ Scribed by Kawase, Masami; Saijo, Ryosuke; Kurihara, Ken-ichi; Akira, Kazuki


Book ID
120455131
Publisher
Japan Institute of Heterocyclic Chemistry
Year
2013
Tongue
English
Weight
743 KB
Volume
87
Category
Article
ISSN
0385-5414

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A new facile synthesis of 5-aryl-4-trifl
✍ Yasuhiro Kamitori; Masaru Hojo; Ryōichi Masuda; Yoshihiko Kawamura; Kazuyoshi Ka πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 French βš– 125 KB

By reaction with an excess of trifluoroacetic anhydride, title compounds 4 were synthesized from C-trifluoroacetylated hydrazones 1 which are readily obtainable by trifluoroacetylation of arylaldehyde dimethylhydrazones. Oxadiazine derivatives have attracted much attention of organic chemists from i