Ahmad Mohamed Hussein ali <br/><br/>
New Synthesis of Tricyclic Azolo - Azines and their Derivatives /  
 اصطناع جديد للازولو - ازينات ثلاثية الحلقة ومشتقاتها 
Ahmad Mohamed Hussein ALi ; Supervised Ahmad Sami Shawali , Mosselhi Mosselhi 
 - Cairo :   Ahmad Mohamed Hussein Ali ,   2006 
 - 128P :   ill ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty Of Science - Department Of Organic Chemistry 
<br/><br/> The original work of the present thesis comprises two research projectsThe first research project deals with the synthesis of new functionalized pyrazolo[3 , 4 - d]pyrimido[1 , 2 - b][1 , 2 , 4 , 5]tetrazine derivatives via reaction of the hydrazonoyl halides with 5 - amino - 1 - phenyl - 6 - thioxo - pyrazolo[3 , 4 - d]pyrimidin - 4 - one and with its 2 - methylthio derivativeThe second research project outlines the synthesis of new functionalized pyrido[2 , 3 - d][1 , 2 , 4]triazolo[4 , 3 - a]pyrimidin - 5 (1H) - one derivatives via reaction of the hydrazonoyl halides with 7 - (4 - nitrophenyl) - 5 - phenyl - 2 , 3 - dihydro - 2 - thioxopyrido[2 , 3 - d]pyrimidin - 4 (1H) - one or its 2 - methylthio derivativeThe biological activity of products were tested against four fungi species and five bacteria species 
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<br/><br/><label>Subjects--Index Terms: </label>Heterocycles Pyrazole Pyridine Pyrimidine Regioselectivity