Catalytic, enantioselective 1,3-dipolar cycloadditions of nitrile imines with methyleneindolinones
作者:Anthony L. Gerten、Michael C. Slade、Kelsie M. Pugh、Levi M. Stanley
DOI:10.1039/c3ob41815d
日期:——
Catalytic, enantioselective 1,3-dipolar cycloadditions of nitrile imines with methyleneindolinones are reported. The spiro[pyrazolin-3,3′-oxindole] products are formed in good yields (up to 98%) and high enantioselectivity (up to 99% ee).
报道了腈亚胺与亚甲基吲哚酮的催化、对映选择性 1,3-偶极环加成反应。螺[pyrazolin-3,3'-oxindole] 产物以良好的产率(高达 98%)和高对映选择性(高达 99% ee)形成。