Preparation of Enantioenriched γ‐Substituted Lactones via Asymmetric Transfer Hydrogenation of β‐Azidocyclopropane Carboxylates Using the Ru‐TsDPEN Complex.

2015

The reaction proceeds in the azeotrope Et3N/HCOOH via azide reduction, cyclopropane ring cleavage, ketone transfer hydrogenation, and lactonization.

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