A Novel Reaction Type Promoted by Aqueous Titanium Trichloride. Synthesis of Allylic Pinacols
Electron-withdrawing substituted carbonyl compounds which are allowed to react with 2 equiv of aqueous titanium trichloride selectively add to the carbonyl carbon atom of α,β-unsaturated aldehydes.Highly functionalized allylic pinacols are obtained in good yields under very simple experimental conditions.The fundamental role played by the titanium(III) ion is discussed.
Clerici, Angelo,Porta, Ombretta
p. 1690 - 1694
(2007/10/02)
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