European Journal of Organic Chemistry 2017-10-09

Efficient Synthesis of Highly Functionalized Spirocarbocyclic Oxindoles through Hauser Annulation

Kanduru Lokesh, Venkitasamy Kesavan

Index: 10.1002/ejoc.201701023

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Abstract

A new class of biologically important spiro[indoline-3,2′-naphthalene] was synthesized by using a Hauser annulation between methyleneindolinones and arylsulfonylphthalides catalyzed by cesium carbonate.