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Diels-Alder reaction of alkylcyclopentadienes and dienophiles of the aeryl type. II. Reactions with methyl vinyl ketone

E. Holbová and J. Hrivňák

Chemisches Institut der Komenský-Universität, Bratislava 1

 

Abstract: The synthesis of bicyclic ketones was effected by the reaction of mainly 1-alkylcyclopentadienes with methyl vinyl ketone. As was found by gas chromatography, the adduct of 1-ethylcyclopentadiene with methyl vinyl ketone is a mixture of endo and exo isomers of 1-ethyl-5-acetylbicyclo[2,2,1]-2-heptene and 1-ethyl-6-acetylbicyclo[2,2,1]-2-heptene. The endo and exo isomers in the reaction mixture were identified by isomerization in the presence of sodium ethoxide.

Full paper in Portable Document Format: 238a611.pdf (in German)

 

Chemical Papers 23 (8) 611–615 (1969)

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