Powerful Claisen condensation and Claisen-aldol tandem reaction of alpha,alpha-dialkylated esters promoted by ZrCl4-(Pr2NEt)-Pr-i

Powerful Claisen ester condensations of alpha,alpha -dialkylated esters mediated by ZrCl4-(Pr2NEt)-Pr-i were performed to give the corresponding thermodynamically unfavorable alpha,alpha -dialkylated beta -ketoesters, and Claisen-aldol tandem reactions between an intermediary Zr-enolate of a a,a-dia...

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Bibliographic Details
Published inChemical communications (Cambridge, England) no. 17; pp. 1674 - 1675
Main Authors Tanabe, Y, Hamasaki, R, Funakoshi, S
Format Journal Article
LanguageEnglish
Published CAMBRIDGE Royal Soc Chemistry 07.09.2001
Subjects
Chemistry
Chemistry, Multidisciplinary
Physical Sciences
Science & Technology
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Summary:Powerful Claisen ester condensations of alpha,alpha -dialkylated esters mediated by ZrCl4-(Pr2NEt)-Pr-i were performed to give the corresponding thermodynamically unfavorable alpha,alpha -dialkylated beta -ketoesters, and Claisen-aldol tandem reactions between an intermediary Zr-enolate of a a,a-dialkylated beta -ketoester and aldehydes also proceeded.
ISSN:1359-7345
DOI:10.1039/b104185c