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Synlett 2000; 2000(6): 0871-0873
DOI: 10.1055/s-2000-6696
DOI: 10.1055/s-2000-6696
letter
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Ruthenium(II) and Palladium(II) Complexes Mediated Addition of Ketene Silyl Ketal to Aldehydes and Ketones: Remarkable Influence of the Nature of the Ligand
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Publikationsdatum:
31. Dezember 2000 (online)
![](https://www.thieme-connect.de/media/synlett/200006/lookinside/thumbnails/10.1055-s-2000-6696-1.jpg)
[Bis(diphenylphosphino)alkane]bis(propenyl)ruthenium(II) and [bis(diphenylphosphino)ethane]palladium(II) complexes catalyse the aldol addition of 1-methoxy-2-methyl-1-trimethylsilyloxy-propene to aldehydes and ketones under neutral conditions affording the corresponding 3-hydroxymethylesters in good yields. A ratio substrate/catalyst of 1000 can be employed with the palladium system without loss of efficiency.
catalysis - ruthenium - palladium - aldol reaction - Lewis acid - aldehyde