✦ LIBER ✦

Oxapolycycles from One-Pot Cross-Metathesis/Carbonyl Ylide Formation-Intramolecular Cycloaddition of α-Diazo-β-keto Esters

✍ Scribed by David M. Hodgson; Deepshikha Angrish

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 114 KB
Volume: 348
Category: Article
ISSN: 1615-4150
DOI: 10.1002/adsc.200600306

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✦ Synopsis

Abstract

Chemoselective cross‐metathesis of unsaturated α‐diazo‐β‐keto esters using Grubbs’ 2^nd^ generation catalyst, followed by Rh~2~(OAc)~4~‐catalysed tandem carbonyl ylide formation‐intramolecular cycloaddition is demonstrated. The two different catalytic metallocarbene transfer reactions have also been successfully carried out in a one‐pot procedure, which allows rapid generation of molecular complexity in a single operation.

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