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oa South African Journal of Chemistry - Synthesis of indeno[1,2-b]benzofurans using TPAB as highly efficient and recoverable catalyst - research article

Volume 72 Number 1
  • ISSN : 0379-4350

 

Abstract

Herein we report the synthesis of some novel indeno[1,2-b]benzofuran derivatives by reaction of ninhydrin with cyclic 1,3-dicarbonyl compounds including cyclopentane-1,3-dione, cyclohexane-1,3-dione, dimedone, 4,4-dimethylcyclohexane-1,3- dione, meldrum’s acid, barbituric acid, thiobarbituric acid, 1,3-dimethylbarbituric acid and indane-1,3-dione. We also used tetrapropylammonium bromide (TPAB) as an organocatalyst.

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/content/journal/10520/EJC-17a5088e45
2019-01-01
2020-11-29

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