Samariumdi-iodide is an efficient reagent for the reductivecoupling of ketones or aldehydes and electron-deficientalkenes, whereby γ-lactones can be prepared in good yields from ethyl acrylate.
Organocatalytic stereoselective approach to the total synthesis of (−)-halosaline
作者:Vishwajeet Jha、Pradeep Kumar
DOI:10.1039/c3ra44700f
日期:——
A practical and efficient organocatalytic approach to the synthesis of substituted piperidine alkaloids in high enantio- and diastereomeric excess was achieved using proline-catalyzed sequential α-aminoxylation/α-amination reaction and HWE olefination reaction of an aldehyde.