Paper Information

Journal:   JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)   SUMMER 2010 , Volume 4 , Number 14; Page(s) 33 To 37.
 
Paper: 

REACTIONS OF 3-ARYLHYDRAZONO-2,4-DIOXO-4-PHENYLBUTANOATES WITH DINUCLEOPHILES

 
 
Author(s):  KABIRIFARD H.*, BALALAEI S., ABBASIAN S., PANJALIZADEH A.
 
* DEPARTMENT OF CHEMISTRY, ISLAMIC AZAD UNIVERSITY, NORTH TEHRAN BRANCH, TEHRAN, IRAN
 
Abstract: 

3-arylhydrazono-2, 4-dioxo-4-phenylbutanoates has been prepared by the coupling of benzoyl pyruvic ester with aryldiazonium chlorides.3-Arylhydrazono-2, 4-dioxo-4-phenylbutanoates reacts with 1, 2-phenylenediamine, 2-aminophenol, and 2-aminothiophenol, to form the corresponding quinoxaline, 1, 4-benzoxazine, and 1, 4-benzothiazine derivatives. Interaction of 3-arylhydrazono-2, 4-dioxo-4-phenylbutanoates with 2, 3-diaminopyridine, 1, 2-ethelenediamine, and 1, 2-diaminohexane results in pyrazine products The structure of the resulted products were confirmed by determination of the melting point and spectrophotometric techniques such as IR and 1H NMR and in some cases by using 13C-NMR spectroscopy.

 
Keyword(s): COUPLING, BENZOYL PYRUVATE, ARYLHYDRAZONE, QUINOXALINE, BENZOXAZINE, BENZOTHIAZINE, PYRAZINE
 
References: 
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