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|Title:||DABCO prompted tandem and multicomponent synthetic protocol of pyrano[2,3-a]acridines|
Prasad, Karnam Jayarampillai Rajendra
|Keywords:||DABCO;Multi-component reaction;Tandem process;Pyrano[2,3-a]acridines|
|Abstract:||An elegant synthesis of pyrano[2,3-a]acridines is presented, where 7-chloro-9-phenyl-3,4-dihydroacridin-1(2H)-one reacts with aryl aldehydes and malononitrile in a three-component system using 1,4-diazabicyclo[2.2.2]octane (DABCO) as catalyst in ethanol, giving excellent yields above those reached in a conventional step-wise approach. The structures of the synthesized compounds have been deduced by spectroscopic techniques, including X-ray diffraction.|
|Appears in Collections:||IJC-B Vol.55B(02) [February 2016]|
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