A facile method for the synthesis of 3,1-benzooxazines from N-acyl-2-(alk-2-enyl)anilines |
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| Authors: | Gataullin,R. R.,Afonkin,I. S.,Fatykhov,A. A.,Spirikhin,L. V.,Tal" vinskii,E. V.,Abdrakhmanov,I. B. |
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| Affiliation: | (1) Institute of Organic Chemistry, Ufa Reseach Center of the Russian Academy of Sciences, 71 prosp.Oktyabrya, 450054 Ufa, Russian Federation;(2) Bashkir State Agricultural University, 34 ul. 50-letiya Oktyabrya, 450003 Ufa, Russian Federation |
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| Abstract: | Electrophilic addition of HCl or Br2 to N-acyl-2-(alk-2-enyl)anilines is accompanied by intramolecular cyclization of these amides to give 3,1-benzooxazine hydrochlorides or hydrobromides in high yields. |
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| Keywords: | ortho-alkenylanilines N-acyl-2-(alk-1-enyl)anilines hydrochlorination heterocyclization bromination 3,1-benzooxazines |
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