A Novel Synthesis of Spiro[1,2-b]quinoxaline and Spiroindeno[1,2-b]pyrazine Derivatives Via one-pot three component Reactions

Faculty Science Year: 2020
Type of Publication: ZU Hosted Pages:
Authors:
Eman Elsayed Mohamed Hassan Tantawy
Journal: مجله كليه العلوم-جامعه الزقازيق كليه العلوم- جامعه الزقازيق Volume:
Keywords : , Novel Synthesis , Spiro[1,2-b]quinoxaline , Spiroindeno[1,2-b]pyrazine Derivatives , one-pot    
Abstract:
New spiroindeno[1,2-b]quinoxaline and spiroindeno[1,2-b]pyrazine derivatives containing pyrano group were synthesized via one-pot three component reaction of indeno[1,2-b]quinoxaline and indeno[1,2-b]pyrazine, malono derivatives with various α-methylenecarbonyl compounds (β-diketones, pyrazolones) in ethanol catalyzed by piperidine.
    
     
 
       

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