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Reactions of Hindered α-Substituted Acids. V. The Effect of a β-Methyl Group on the Acid-Catalyzed Rearrangement 1,2

✍ Scribed by Vaughan, Wyman R.; Schoenthaler, A. Charles


Book ID
126154243
Publisher
American Chemical Society
Year
1957
Tongue
English
Weight
569 KB
Volume
79
Category
Article
ISSN
0002-7863

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## Abstract __tert__‐Butyl α,β‐dioxobutyrate (hydrate; **1d**) undergoes, at medium or high pH, the benzilic‐acid rearrangement with exclusive 1,2‐shift of the COO(__t__‐Bu) group; the same is true for the corresponding isopropyl ester **1c** and ethyl ester **1b** at high pH, whereas at lower pH,