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  1. Enantiomerically pure isoxazolines via addition of nitrile oxides to chiral N-acryloyl toluene-2,α-sultams
    Oppolzer, W.; Kingma, A. J.; Pillai, S. K.
    Tetrahedron Lett. 1991, 32, 4893-4896

New saccharine-derived, crystalline acryloylsultams undergo efficient 1,3-dipolar cycloadditions of nitrile oxides with ≥95:5 stereoface discrimination. Products or are purified by simple crystallization and cleaved with recovery of the chirophore to provide optically pure Δ2-isoxazolines.

DOI : 10.1016/S0040-4039(00)93489-0 

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