Aliphatic and aromatic β-keto esters from monoethyl malonate: ethyl 2-butyrylacetate
CAS index name: Pentanoic acid, 4-methyl-3-oxo-, ethyl ester
Organic Syntheses

A checked procedure from Organic Syntheses, the journal whose preparations are repeated in a second laboratory before publication. The full experimental, with amounts, hazards and characterisation data, is on orgsyn.org.
Reagents
| Compound | Role | Equiv | MW (g/mol) | ρ (g/mL) | Safety |
|---|---|---|---|---|---|
| Ethyl isobutyrylacetate7152-15-0 · C8H14O3 | product | — | 158.20 | 0.990 | Warning |