Ethyl 3-oxo-4-pentenoate (Nazarov'S reagent)
CAS index name: 4-Pentenoic acid, 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.