Preparation of <i>syn</i>-Tertiary Homoallylic Alcohols Utilizing Allenyltitanocenes Generated by Reductive Titanation of γ-Trimethylsilylpropargylic Carbonates
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syn-Tertiary homoallylic alcohols were obtained by the reaction of α-silylallenyltitanocenes generated by the reductive titanation of γ-silylpropargylic carbonates with Cp2Ti[P(OEt)3]2 with ketones and following desilylation and partial hydrogenation. High diastereoselectivity was observed when aromatic and α,β-unsaturated ketones were employed.
创建时间：
2010-05-07
