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Cyclopentenone Derivatives, XI. Stereoselective Routes to Bicyclo[3.3.0]octanones

✍ Scribed by Knölker, Hans-Joachim ;Winterfeldt, Ekkehard


Publisher
John Wiley and Sons
Year
1986
Tongue
English
Weight
790 KB
Volume
1986
Category
Article
ISSN
0947-3440

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✦ Synopsis


Annulation of double donating molecules like dimethyl glutaconate as well as dimethyl 3-oxoglutarate to 4-acetoxy-2-cyclopenten-I -one opens stereoselective routes to various bicyclo[3.3.0]octanone derivatives.

Cyclopentenon

-Derivate, XI I! -Stereoselektive Wege zu Bicyclo~3.3.0Joctanonen Die Anellierung von Doppeldonatoren wie Glutaconsaure-dimethylester und 3-Oxoglutarsaure-dimethylester an 4-Acetoxy-2-cyclopenten-1-on eroffnet stereoselektive Wege zu diversen Bicyclo[3.3.0]octanon-Derivaten. * ) All compounds prepared are racemates. For the sake of simplicity only one relative configuration is given in the Schemes.


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Cyclopentenone Derivatives, X. An Easy A
✍ Bertram, Heinz-Jürgen ;Jansen, Martin ;Peters, Karl ;Meier, Andreas ;Winterfeldt 📂 Article 📅 1986 🏛 John Wiley and Sons 🌐 English ⚖ 427 KB

A straightforward route to functionalized bicyclo[6.3.0]undecane derivatives, which can be used in terpene synthesis, is described. The trans configuration of the acetall2 is established by an X-ray structural analysis. ## Cyelopentenon-Derivate, XI ). -Ein einfaeher Zugang zu Bieyelo[6.3.0]undee