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Tandem Reactions of α-Diazo Ketones with Marcocyclic Olefins: Diastereoselective Synthesis of Oxanorbornane Fused Macrocyclic Lactones.

✍ Scribed by Sengodagounder Muthusamy; Boopathy Gnanaprakasam

Publisher: John Wiley and Sons
Year: 2007
Weight: 24 KB
Volume: 38
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200731140

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✦ Synopsis

Abstract

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## Abstract The first successful example of the enantioselective intermolecular 1,3‐dipolar cycloaddition of a chiral dirhodium(II) catalyst‐associated carbonyl ylide with an aromatic aldehyde dipolarophile is described. The tandem carbonyl ylide formation/cycloaddition reactions of 1‐diazo‐5‐aryl‐