Tetrahedron

A convenient synthesis of functionalized isoxazolines and related 5-hydroxyisoxazolidine-4-carboxylates

…, E Mosconi, A Tolomelli, E Juaristi, G Reyes-Rangel

文献索引：Benfatti, Fides; Cardillo, Giuliana; Contaldi, Simone; Gentilucci, Luca; Mosconi, Elisa; Tolomelli, Alessandra; Juaristi, Eusebio; Reyes-Rangel, Gloria Tetrahedron, 2009 , vol. 65, # 12 p. 2478 - 2483

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被引用次数: 13

摘要

The effectiveness of Sc (OTf) 3 as a Lewis acid catalyst for the 1, 4-addition reaction of carbamates to appropriate 2-acetyl-2-pentenoic esters is herein reported. In particular, N- benzyl-(tert-butyldimethylsilyloxy) carbamate added efficiently to the title substrates to afford a new class of polyfunctionalized isoxazolidines and isoxazolines.