Journal of Heterocyclic Chemistry p. 633 - 637 (1996)
Update date:2022-08-03
Topics:
Nicolaides, Demetrios N.
Awad, R. Wajih
Varella, Evangelia A.
10-(Methoxyimino)phenanthrene-9-one 1 reacts thermally with the arylacetic derivatives 2(a-j) to yield the corresponding 1,4-benzoxazin-2-ones 4(a-d,f) and benzo[d]oxazoles 5(a-e,g). Similarly, reaction of the monoximes 7a, 7b with compounds 2a, 2d respectively affords 8a, 8b, while action of trans-stilbene on the monoximes 1, 7a, 7b leads to the 1,4-benzoxazines 10, 11, 13, obtained along with the corresponding 2-phenyloxazoles 5a, 8a, 8c and compound 12.
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