Cycloadditions of Allylsilanes, Part 8.1 Diastereoselective Synthesis of Spirocyclopentanes by Lewis Acid Promoted [3+2] Cycloaddition of Allyltriisopropylsilane and 2-Alkylidenecycloalkan-1-ones
- 31 December 1996
- journal article
- letter
- Published by Georg Thieme Verlag KG in Synlett
- Vol. 1996 (12) , 1155-1158
- https://doi.org/10.1055/s-1996-5706
Abstract
The reaction of the titanium tetrachloride complexes of 2-alkylidenecycloalkan-1-ones with allyltriisopropylsilane is highly stereospecific at low temperatures and provides a simple direct access to spirocyclic ring systems. The method is extended to the synthesis of polyspiranes.Keywords
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