Diastereoselective Formation of Indanes from Arylboronate Esters Catalyzed by Rhodium(I) in Aqueous Media
Arylboronate esters bearing a pendant Michael-acceptor alkene can add to norbornene and cyclize to give indane systems in yields ranging from 62% to 95% with high diastereomeric excess (>20:1). The reaction is performed in an organic/aqueous emulsion and catalyzed using [Rh(COD)Cl]2 with t-Bu-amp...
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Veröffentlicht in: | Organic letters 2002-06, Vol.4 (12), p.2105-2108 |
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description | Arylboronate esters bearing a pendant Michael-acceptor alkene can add to norbornene and cyclize to give indane systems in yields ranging from 62% to 95% with high diastereomeric excess (>20:1). The reaction is performed in an organic/aqueous emulsion and catalyzed using [Rh(COD)Cl]2 with t-Bu-amphos chloride, a sterically bulky, electron-rich, water-soluble phosphine ligand. |
doi_str_mv | 10.1021/ol0260627 |
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title | Diastereoselective Formation of Indanes from Arylboronate Esters Catalyzed by Rhodium(I) in Aqueous Media |
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