A Simple and Efficient Procedure for the One-pot Three-component Synthesis of Spiro[indoline-3,9′-tetrazolo[5,1-b]quinazoline]-2,8′(5′H)-dione in PEG–H2O Medium

Minggui Shen,Shibin Shang,Juan Wang,Zhanqian Song

doi:10.1246/cl.140186

A Simple and Efficient Procedure for the One-pot Three-component Synthesis of Spiro[indoline-3,9′-tetrazolo[5,1-b]quinazoline]-2,8′(5′H)-dione in PEG–H2O Medium

Minggui Shen, Shibin Shang + Show 2 more

https://doi.org/10.1246/cl.140186

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Journal: Chemistry Letters	Publication Date: May 2, 2014
Citations: 5

Affiliation: Institute of Chemical Industry of Forest Products, Institute of New Technology of Forestry

#Three-component Reaction Of Isatin #Dione Derivatives + Show 8 more

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Abstract

Abstract Novel spiro[indoline-3,9′-tetrazolo[5,1-b]quinazoline]-2,8′(5′H)-dione derivatives have been synthesized by the three-component reaction of isatin, 5-amino-1H-tetrazole, and 5,5-dimethylcyclohexane-1,3-dione in PEG–H2O medium catalyzed by p-TSA. This protocol provides a simple one-step procedure with the advantages of easy work-up, mild reaction conditions, and environmental benignity.

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