Chemistry Letters p. 1589 - 1592 (1988)
Update date:2022-08-03
Topics:
Nozoe, Tetsuo
Okai, Harue
Wakabayashi, Hidetsugu
Ishikawa, Sumio
The benzoxazine moiety of 7-, 8-, and 9-isopropyl- as well as 6-bromocyclohepta<1,4>benzoxazines was easily exchanged with o-aminophenol and its methyl derivatives in methanol or acetic acid.A possible pathway of this novel intermolecular heterocycle exchange reaction is discussed.
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