P305+P351+P338：IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
Description
Ethyl 5-[(4-methylphenyl)sulfonyl]-3-oxopentanoate can be used as a reactant to prepare:
Ethyl 3-oxopent-4-enoate (Nazarov′s reagent) via base-induced β-elimination reaction. Nazarov′s reagent can be employed as an anulating agent in Robinson annulation of cyclic β-diketones and cycloalkanones.
γ-pyrones via triflic anhydride-mediated electrophilic condensation reaction.
![5-[(4-Methylphenyl)sulfonyl]-3-oxopentanoic acid ethyl ester](https://www.chemicalbook.com/CAS/20180703/GIF/1093348-62-9.gif)
