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Tandem Dienyne Ring-Closing Metathesis of Alkynyl Silaketals for the Formation of Bicyclic Siloxanes.

✍ Scribed by Jonathan B. Grimm; Ryan D. Otte; Daesung Lee

Publisher: John Wiley and Sons
Year: 2006
Weight: 27 KB
Volume: 37
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200628158

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✦ Synopsis

Organo-silicon compounds S 0060

Tandem Dienyne Ring-Closing Metathesis of Alkynyl Silaketals for the Formation of Bicyclic Siloxanes. -Bicyclic siloxanes of varying ring sizes are formed in good to excellent yields using Grubbs' second generation ruthenium catalyst. The symmetrical silaketal substrates are applied either as mixtures of diastereomers or as pure enantiomers (to be continued). -(GRIMM,

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