scholarly journals Comparison of Methanol with Formamide on Extraction of Nitrogen Heterocyclic Compounds Contained in Model Coal Tar Fraction

2015 ◽  
Vol 26 (2) ◽  
pp. 234-238
Author(s):  
Su Jin Kim
Keyword(s):  
Heterocyclic Compounds ◽  
Coal Tar ◽  
Nitrogen Heterocyclic

Research on nitrogen heterocyclic compounds. XV. Synthesis of 1H,4H-pyrazolo[4,3f]pyrrolo[1,2-a][1,4]diazepine derivatives

1984 ◽  
Vol 21 (6) ◽  
pp. 1877-1880 ◽  
Author(s):  
Silvio Massa ◽  
Giorgio Stefancich ◽  
Marino Artico ◽  
Federico Corelli
Keyword(s):  
Heterocyclic Compounds ◽  
Nitrogen Heterocyclic

Thermodynamic Analysis of Strain in the Five-Membered Oxygen and Nitrogen Heterocyclic Compounds

2011 ◽  
Vol 115 (10) ◽  
pp. 1992-2004 ◽  
Author(s):  
Sergey P. Verevkin ◽  
Vladimir N. Emel’yanenko ◽  
Andrey A. Pimerzin ◽  
Elena E. Vishnevskaya
Keyword(s):  
Thermodynamic Analysis ◽  
Heterocyclic Compounds ◽  
Nitrogen Heterocyclic
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