and Michael reactions of silyl enol ethers with carbonyl compounds or other electrophiles (trimethyl orthoformate, dimethyl acetal, and chloromethyl methyl ether), the allylation reaction of allylsilanes with aldehydes, and the Diels–Alder reaction of dienes with α,β-unsaturated aldehydes. A solution of formaldehyde in water is applicable as an electrophile. Also, the aldol-type reaction of ketene silyl
Highly Diastereoselective Addition Reaction of Ketene Silyl Acetals to Imines Catalyzed by Samarium(III) Iodide
作者:Ryuuichirou Hayakawa、Makoto Shimizu
DOI:10.1246/cl.1999.591
日期:1999.7
In the presence of a catalytic amount of a samarium(III) iodide, the addition reaction of ketene silyl acetal to imine afforded the corresponding β-aminoester with high anti-selectivity. The reaction of chiral imine under the same conditions gave β-aminoester with high diastereoselectivity.