Concepedia

Construction of dispirocyclohexyl-3,3′-bisoxindole and dispirocyclopentyl-3,3′-bisoxindole via domino cycloaddition reactions of N-benzylbenzimidazolium salts with 2-(2-oxoindolin-3-ylidene)acetates

Guo‐Liang Shen, Jing Sun, Chao‐Guo Yan

RSC Advances · 2014 · 30 citations · 58 references

DOI

Concepts

Abstract

Two kinds of spirocyclic oxindoles were selectively synthesized from cycloaddition of <italic>N</italic>-benzyl-<italic>N</italic>-phenacylbenzimidazolium salts with two molecules of 2-(2-oxoindolin-3-ylidene)acetates.

References

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