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Search results for: robinson annulation
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... preparation of 2 began with the enantioselective Robinson annulation of the ?-keto ester 4 with ... (5), mediated by the organocatalyst 6. In this protocol, originally ...
... combined 27 with 28 to give the Robinson annulation product 29. Dawei Ma of ... Shanghai Institute of Organic Chemistry reported (Org. Lett. 2008, 10, ...
... Organic Chemistry Portal The Robinson Annelation and Related Reactions. R. E. ... Key Words: C-C BOND FORMATION/ANNULATIONS/6-RING/ROBINSON ANNELATION The Beckmann ...
... ketone 30 can be converted into the Robinson annulation product 32 without epimerization at the ... position. This led to 33, cycloaddition of which with 34 delivered (- ...
... one of the crowning achievements of the Robinson annulation/reductive alkylation approach to stereocontrolled ... construction developed by Gilbert Stork (J. Am. Chem. Soc. 1971 ...
... similarly simple catalyst system, that effected Robinson annulation of 18 to 20. Binding ... organocatalyst to a polymer simplifies recovery and reuse. Tore Hansen of the University of ...
... . The optimized catalyst for the enantioselective Robinson annulation was the amide 5. With ... mol% of the catalyst, the reaction proceeded in 97% ee. With ...
... Hayashi catalyst functioned well for the enantioselective Robinson annulation of 23 with 22. D ... F. Taber, Org. Chem. Highlights 2011, October 10. URL ...
... Chem. 2010, 4482.) Robinson annulation of 17 with 21. Ying-Chun ... of Sichuan University, again using the Hayashi catalyst, reported (Angew. Chem ...
