## 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,
Alkoxycarbonyl- and Carboxylate-Group Migrations in the Benzilic Acid Rearrangement of Ethyl Cyclopropane-2, 3-dioxopropionate
✍ Scribed by Hans Dahn; Lê H. Dao; Rannoo Hunma
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- German
- Weight
- 383 KB
- Volume
- 65
- Category
- Article
- ISSN
- 0018-019X
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📜 SIMILAR VOLUMES
1 2, Reductones and Tricarbonyl Compounds, Part 32. Part 31 : [I]. The intermediate products, formulated [lo] as imino-enediols -C(OH)=C(OH)-C(=NH)-, very probably exist in their tautomeric forms -CO-C(OH)=C(NH,)-. We use hcrc the earlier published formula 5 for convenience.
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