Tetrahedron Letters p. 3843 - 3846 (1981)
Update date:2022-08-04
Topics:
Pardo, Roselyne
Santelli, Maurice
Convenient access to 1,3-diacetyl-2-methylcyclopentene 2 is reported by three routes : acetylation of methylcyclopentene ( or cyclo-hexane ), condensation of acetylacetone with 1,2-dibromoethane, and the isomerisation of O-acetylated dienolate of 1-acetyl-2-methylcyclopentene.The process of isomerisation provides best results and its mechanism is discussed.
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