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|Title:||Acid-Catalyzed [3+2] Cycloaddition of Enones with Azomethine Imines for Easy Access to Tetrahydropyrazolopyrazolones|
|Authors:||Bugarinović, Jovana |
Bogdanovic, Goran A.
|Abstract:||© Georg Thieme VerlagStuttgart · New York. Aluminum chloride (AlCl3) or zirconium chloride (ZrCl4) catalyzes efficiently the [3+2] cycloaddition of N,N′-cyclic azomethine imines with enones which contain the vinyl group. The scope of the reaction towards various azomethine imines and enones has been explored. Access to diastereomerically pure 6-acyl-5-aryltetrahydropyrazolo[1,2-a]pyrazol-1(5H)-ones is provided by easy chromatographic separations.|
|Appears in Collections:||Faculty of Science, Kragujevac|
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