A convenient synthesis of cyclopentanones via rhodium (I)-catalyzed intramolecular hydroacylation of unsaturated aldehydes

RC Larock, K Oertle, GF Potter

文献索引：Larock,R.C.; Oertle,K.; Potter,G.F. Journal of the American Chemical Society, 1980 , vol. 102, p. 190

被引用次数: 148

摘要

Abstract: The rhodium (1)-catalyzed intramolecular hydroacylation of unsaturated aldehydes has been investigated. Three useful new catalyst systems have been developed. The catalysts are prepared by the addition of 2 equiv of tri-p-tolylphosphine, tri-p- anisylphosphine, or tris (p-dimethylaminopheny1) phosphine to chlorobis (cyclooctene) rhodium (l) in ethylene-saturated methylene chloride. 4, 5-Unsaturated aldehydes afford ...

~29%

~18%

~49%

~60%

~66%

~75%

~99%

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