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Preparation of oxazine derivatives and 2,4-diarylpyrroles from methyl aryl ketoximes

✍ Scribed by L.W. Deady

Book ID
108372840
Publisher
Elsevier Science
Year
1967
Tongue
French
Weight
362 KB
Volume
23
Category
Article
ISSN
0040-4020

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## Abstract 6‐Siloxy‐substituted 1,2‐oxazines 1 are transformed into 4‐hydroxy ketoximes 2 by reduction with NaBH~4~ in ethanol. Reductive Beckmann rearrangement converts the oxime 2a into the 1,4‐amino alcohol 7. Diisobutylaluminum hydride (DIBAH) induces a novel reductive ring contraction of 1 to