doi: 10.1021/ja2014604.
Epub 2011 Apr 27.
An atom-economic synthesis of bicyclo[3.1.0]hexanes by rhodium N-heterocyclic carbene-catalyzed diastereoselective tandem hetero-[5+2] cycloaddition/Claisen rearrangement reaction of vinylic oxiranes with alkynes
Affiliations
- PMID: 21524076
- DOI: 10.1021/ja2014604
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An atom-economic synthesis of bicyclo[3.1.0]hexanes by rhodium N-heterocyclic carbene-catalyzed diastereoselective tandem hetero-[5+2] cycloaddition/Claisen rearrangement reaction of vinylic oxiranes with alkynes
J Am Chem Soc.
.
Abstract
The first synthetic application of a vinylic oxirane as a heteroatom-containing five-atom component in transition-metal-catalyzed cycloaddition reactions is reported. A new, efficient, diastereoselective tandem intramolecular hetero-[5+2] cycloaddition/Claisen rearrangement of vinylic oxirane-alkyne substrates that uses a rhodium NHC complex and provides strategically novel, atom-economic, regiospecific, and diastereoselective access to [3.1.0] bicyclic products has been developed.
© 2011 American Chemical Society
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