Efficient construction of highly functionalized endo′-selective spiro[pyrrolidin-2,3′-oxindoles] via a regioselective 1,3-dipolar cycloaddition reaction between 3-amino oxindoles as azomethine ylide precursors and nitroalkenes

Hongbao Sun, Xiaoyan Wang, Yi chen, Liang Ouyang, Jie Liu, Yiwen Zhang

Tetrahedron Letters · 2014 · 28 citations · 25 references

Concepts

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