Synthesis of Highly-Substituted Enantiomerically Pure Allylboronic Esters and Investigation of Their Stereoselective Addition to Aldehydes
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Diastereomerically pure allylboronates bearing the readily available tartrate derivative were obtained via sigmatropic rearrangement. Allyl additions were performed, and the influence of γ-disubstituted allylboronates was studied. Highly γ-substituted boronic esters were found to lead to the corresponding enantiomerically enriched homoallyl alcohols with exclusively E configuration; their synthesis and the mechanism of the reaction is proposed here.
创建时间：
2016-02-18
