ChemInform Abstract: Formal (3 + 3)- and (3 + 2)-Cycloadditions of Allylsilanes with Benzylic Cations.
β Scribed by S. R. ANGLE; J. P. BOYCE
- Book ID
- 112020758
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 32 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0931-7597
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Chiral Cations in 4 + 3 Cycloadditions. -Chiral allylic acetal (I) reacts with furan in the presence of Lewis acids to give [4 + 3] cycloadducts with diastereoselectivities depending on the Lewis acid and the reaction conditions used. Similar cycloaddition between (I) and cyclopentadiene can be ach