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Article Dans Une Revue European Journal of Organic Chemistry Année : 2019

Spirobicyclic and Tetracyclic Pyrazolidinones: Syntheses and Properties

Résumé

The stereoselective syntheses of spirobicyclic and tetracyclic pyrazolidinones are reported based on a (3+2) annu- lation between hydrazones and α-oxoketenes. Some of these conformationally constrained molecules were resolved as enantiopure materials by HPLC techniques and evaluated as amino- catalysts for iminium activation in a model Diels–Alder cyclo- addition.
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Dates et versions

hal-02331699 , version 1 (24-10-2019)

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Fabien Perez, Thibault Leveille, Mathilde Bertolotti, Jean Rodriguez, Yoann Coquerel. Spirobicyclic and Tetracyclic Pyrazolidinones: Syntheses and Properties. European Journal of Organic Chemistry, 2019, 2019 (35), pp.6034-6043. ⟨10.1002/ejoc.201900989⟩. ⟨hal-02331699⟩

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