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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 ...

URL: http://www.organic-chemistry.org/Highlights/2008/01September.shtm

Author: R. E. Gawley

... Organic Chemistry Portal The Robinson Annelation and Related Reactions. R. E. ... Key Words: C-C BOND FORMATION/ANNULATIONS/6-RING/ROBINSON ANNELATION The Beckmann ...

URL: http://www.organic-chemistry.org/abstracts/authors/gawley-r-e.shtm

Enantioselective Organocatalytic Construction of Carbocycles: The Nicolaou Synthesis of Biyouyanagin A

... 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 (- ...

URL: http://www.organic-chemistry.org/Highlights/2008/11August.shtm