Paper Information

Journal:   JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)   JUNE 2014 , Volume 11 , Number 3; Page(s) 631 To 637.
 
Paper: 

AN EFFICIENT SYNTHESIS OF NEW KHELLACTONE-TYPE COMPOUNDS USING POTASSIUM HYDROXIDE AS CATALYST VIA ONE-POT, THREE-COMPONENT REACTION

 
Author(s):  KARAMI B., ESKANDARI K., KHODABAKHSHI S.
 
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Abstract: 

In the present work, three-component synthesis for novel khellactone-type compounds via the reaction of Meldrum’s acid, aryl aldehydes and 5, 7-dihydroxy benzopyrone derivatives was described. In this reaction 10-aryl substituted-9, 10-dihydropyrano [2, 3-h] benzopyrone-8-ones as new khellactone analogous in the presence of catalytic amount of potassium hydroxide as cheap and green basic catalyst were obtained in good to excellent yields under refluxing methanol.

 
Keyword(s): KHELLACTONE, MELDRUM’S ACID, 5,7-DIHYDROXY BENZOPYRONES, ALDEHYDE, CONDENSATION REACTION
 
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