Tetrahedron Letters p. 1255 - 1256 (1982)
Update date:2022-07-29
Topics:
Hardy, Jean-Claude
Venet, Marc
Refluxing the oximes (2) of naphto<1,8-bc>pyran-3(2H)-one and (6) of 3(2H)-benzofuranone with alcoholic hydrogen chloride give the corresponding α-alkoxy-ketones 3, 4, 5 and α-chloroketone 7 respectively.This transformation appears to be related to the acid conversion of N-arylhydroxyamines to o. and p. substituted anilines (BAMBERGER rearrangement).
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